Company lists · Data refreshed September 2026
Top 25 Water conservation nonprofits based in the United States
RevenueBase identified 169 company matches for water conservation nonprofits associated with the United States as of September 2026 and tracks 2,052 professional contacts across them, including 730 with verified work emails. Denver is the largest hub.
This list covers company matches for water conservation nonprofits associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest water conservation nonprofits based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 366 contacts → | ||||
Exact match “Since our founding during the campaign to pass the landmark Clean Water Act in 1972, Clean Water Action has worked to win strong health and environmental protections by bringing…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 230 contacts → | ||||
Exact match “Now part of Resource Innovations, RHA will expand its team to over 1,100 professionals, broadening expertise and offering clients additional solutions in energy storage and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 81 contacts → | ||||
Exact match “River Partners brings life back to rivers.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 62 contacts → | ||||
Exact match “We are Resource Central: determined to make conservation so simple that you don’t even realize you’re doing it.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 58 contacts → | ||||
Exact match “The Freshwater Trust is focused on using insight to solve problems at the intersection of water and the economy.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 53 contacts → | ||||
Exact match “We are committed to solving water scarcity and water quality challenges within our lifetime… through innovation in business strategy, technology, partnerships, business models and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 41 contacts → | ||||
Exact match “Empowering the youth to advocate for sustainable access to clean water for all through service and education.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 36 contacts → | ||||
Exact match “Great River Greening inspires, engages and leads local communities in conserving and caring for the land and water that enrich our lives.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 35 contacts → | ||||
Exact match “CWEA is the trusted organization that advocates for and empowers wastewater professionals so they can protect and harness the potential of California’s most critical resource…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 35 contacts → | ||||
Exact match “Our Mission: Protect and restore critical natural areas and waterways and educate the community to create a legacy of a healthy, sustainable environment for future generations.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 34 contacts → | ||||
Exact match “Buffalo Niagara WATERKEEPER’s mission is to protect and restore our water and surrounding ecosystems for the benefit of current and future generations.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 33 contacts → | ||||
Exact match “Water Management, Inc.(WMI) is well established in the field of water efficiency and conservation and has developed a successful track record since its founding in 1980.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 33 contacts → | ||||
Exact match “Conserving our Natural Resources for Future Generations." WaterWise Consulting Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 31 contacts → | ||||
Exact match “The National Water Research Institute (NWRI) is a science-oriented 501c3 nonprofit that has sponsored projects and programs since 1991 to improve water quality, protect public…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 31 contacts → | ||||
Exact match “The Center for Watershed Protection works to advance clean water resources and healthy ecosystems through responsible land and water management.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 30 contacts → | ||||
Exact match “The US Water Alliance is dedicated to advancing policies and programs to advance a sustainable water future for all.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 24 contacts → | ||||
Exact match “Friends of the River is California's only statewide river conservation organization.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 24 contacts → | ||||
Exact match “Project WET (Water Education Today) empowers educators to engage youth to understand water and solve local and global challenges.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 22 contacts → | ||||
Exact match “As the nonprofit partner to the St.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 21 contacts → | ||||
Exact match “Los Angeles Waterkeeper’s mission is to fight for the health of the region’s waterways, and for sustainable, equitable and climate-friendly water supplies.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 21 contacts → | ||||
Exact match “Water & Energy Conservation Services Provider” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 21 contacts → | ||||
Exact match “River Network grows and strengthens a transformational national network of water, justice, and river advocates.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 20 contacts → | ||||
Exact match “We're the Council for Watershed Health (CWH): working for healthy watersheds in Southern California using cutting-edge research, education & collaboration.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 19 contacts → | ||||
Exact match “At Aquasight, we're on a mission to make the world a better place, one drop at a time.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 18 contacts → | ||||
Exact match “The mission of Freshwater Society is to inspire and empower people to value and protect water.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “water conservation nonprofits”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 169 water conservation nonprofits based in the United States
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Water conservation nonprofits based in the United States at a glance
As of Sep 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 169 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “water conservation nonprofits” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 730 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “water conservation nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many water conservation nonprofits are there based in the United States?
RevenueBase identified 169 company matches for water conservation nonprofits associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Clean Water Action tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most water conservation nonprofits?
Denver leads with 4 company records, followed by Los Angeles (4) and Sacramento (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 730 professional contacts with verified work emails tracked across these 169 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 169 water conservation nonprofits based in the United States. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 25 water conservation nonprofits based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 169 matching company records for water conservation nonprofits based in the United States, with 2,052 tracked contacts and 730 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 water conservation nonprofits based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Clean Water Actioncleanwater.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 366 contacts → |
“Since our founding during the campaign to pass the landmark Clean Water Act in 1972, Clean Water Action has worked to win strong health and environmental protections by bringing…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Richard Heath & Associates, Inc. RHAresource-innovations.comHQ: Fresno, CA, United StatesReported employees: 501-1,000 | Fresno, CA, United States | 501-1,000 | Exact match | 230 contacts → |
“Now part of Resource Innovations, RHA will expand its team to over 1,100 professionals, broadening expertise and offering clients additional solutions in energy storage and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | River Partnersriverpartners.org HQ: Chico, CA, United StatesReported employees: 51-200 | Chico, CA, United States | 51-200 | Exact match | 81 contacts → |
“River Partners brings life back to rivers.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Resource Centralresourcecentral.org HQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 62 contacts → |
“We are Resource Central: determined to make conservation so simple that you don’t even realize you’re doing it.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | The Freshwater Trustthefreshwatertrust.org HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 58 contacts → |
“The Freshwater Trust is focused on using insight to solve problems at the intersection of water and the economy.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Water Foundrywaterfoundry.com HQ: Denver, CO, United StatesReported employees: 11-50 | Denver, CO, United States | 11-50 | Exact match | 53 contacts → |
“We are committed to solving water scarcity and water quality challenges within our lifetime… through innovation in business strategy, technology, partnerships, business models and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Blue Missionsbluemissions.org HQ: Miami, FL, United StatesReported employees: Not recorded | Miami, FL, United States | Not recorded | Exact match | 41 contacts → |
“Empowering the youth to advocate for sustainable access to clean water for all through service and education.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Great River Greeninggreatrivergreening.org HQ: St. Paul, MN, United StatesReported employees: 11-50 | St. Paul, MN, United States | 11-50 | Exact match | 36 contacts → |
“Great River Greening inspires, engages and leads local communities in conserving and caring for the land and water that enrich our lives.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Oakland, CA, United StatesReported employees: Not recorded | Oakland, CA, United States | Not recorded | Exact match | 35 contacts → |
“CWEA is the trusted organization that advocates for and empowers wastewater professionals so they can protect and harness the potential of California’s most critical resource…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Wildlands Conservancy PAwildlandspa.org HQ: Emmaus, PA, United StatesReported employees: 11-50 | Emmaus, PA, United States | 11-50 | Exact match | 35 contacts → |
“Our Mission: Protect and restore critical natural areas and waterways and educate the community to create a legacy of a healthy, sustainable environment for future generations.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Buffalo Niagara Waterkeeperbnwaterkeeper.org HQ: Buffalo, NY, United StatesReported employees: 11-50 | Buffalo, NY, United States | 11-50 | Exact match | 34 contacts → |
“Buffalo Niagara WATERKEEPER’s mission is to protect and restore our water and surrounding ecosystems for the benefit of current and future generations.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Water Management INCwatermgt.com HQ: Alexandria, VA, United StatesReported employees: 11-50 | Alexandria, VA, United States | 11-50 | Exact match | 33 contacts → |
“Water Management, Inc.(WMI) is well established in the field of water efficiency and conservation and has developed a successful track record since its founding in 1980.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Waterwise Consulting, INCwaterwise-consulting.com HQ: Glendora, CA, United StatesReported employees: 11-50 | Glendora, CA, United States | 11-50 | Exact match | 33 contacts → |
“Conserving our Natural Resources for Future Generations." WaterWise Consulting Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | National Water Research Institute Nwrinwri-usa.org HQ: Fountain Valley, CA, United StatesReported employees: Not recorded | Fountain Valley, CA, United States | Not recorded | Exact match | 31 contacts → |
“The National Water Research Institute (NWRI) is a science-oriented 501c3 nonprofit that has sponsored projects and programs since 1991 to improve water quality, protect public…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Fulton, MD, United StatesReported employees: 11-50 | Fulton, MD, United States | 11-50 | Exact match | 31 contacts → |
“The Center for Watershed Protection works to advance clean water resources and healthy ecosystems through responsible land and water management.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | US Water Allianceuswateralliance.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 30 contacts → |
“The US Water Alliance is dedicated to advancing policies and programs to advance a sustainable water future for all.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Friends Of The Riverfriendsoftheriver.org HQ: Sacramento, CA, United StatesReported employees: 1-10 | Sacramento, CA, United States | 1-10 | Exact match | 24 contacts → |
“Friends of the River is California's only statewide river conservation organization.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Project WET Water Education Todayprojectwet.org HQ: Bozeman, MT, United StatesReported employees: 1-10 | Bozeman, MT, United States | 1-10 | Exact match | 24 contacts → |
“Project WET (Water Education Today) empowers educators to engage youth to understand water and solve local and global challenges.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | St. Louis Aquarium Foundationstlaquariumfoundation.org HQ: St. Louis, MO, United StatesReported employees: 1-10 | St. Louis, MO, United States | 1-10 | Exact match | 22 contacts → |
“As the nonprofit partner to the St.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | LOS Angeles Waterkeeperlawaterkeeper.org HQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 21 contacts → |
“Los Angeles Waterkeeper’s mission is to fight for the health of the region’s waterways, and for sustainable, equitable and climate-friendly water supplies.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bottom Line Utility Solutionsblusinc.com HQ: Laguna Hills, CA, United StatesReported employees: 11-50 | Laguna Hills, CA, United States | 11-50 | Exact match | 21 contacts → |
“Water & Energy Conservation Services Provider” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | River Networkrivernetwork.org HQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 21 contacts → |
“River Network grows and strengthens a transformational national network of water, justice, and river advocates.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Council For Watershed Healthwatershedhealth.org HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 20 contacts → |
“We're the Council for Watershed Health (CWH): working for healthy watersheds in Southern California using cutting-edge research, education & collaboration.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Aquasightaquasight.io HQ: Troy, MI, United StatesReported employees: 11-50 | Troy, MI, United States | 11-50 | Exact match | 19 contacts → |
“At Aquasight, we're on a mission to make the world a better place, one drop at a time.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Freshwaterfreshwater.org HQ: St. Paul, MN, United StatesReported employees: 11-50 | St. Paul, MN, United States | 11-50 | Exact match | 18 contacts → |
“The mission of Freshwater Society is to inspire and empower people to value and protect water.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 169 company matches
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Water conservation nonprofits: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
168 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 169 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for water conservation nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many water conservation nonprofits did RevenueBase find based in the United States?
The saved snapshot records 169 matching company records, 2,052 tracked contacts and 730 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 25 water conservation nonprofits based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/water-conservation-nonprofits/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 25 water conservation nonprofits based in the United States
RevenueBase records 169 matching company records for water conservation nonprofits based in the United States, with 2,052 tracked contacts and 730 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 water conservation nonprofits based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Clean Water Actioncleanwater.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 366 contacts → |
“Since our founding during the campaign to pass the landmark Clean Water Act in 1972, Clean Water Action has worked to win strong health and environmental protections by bringing…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Richard Heath & Associates, Inc. RHAresource-innovations.com HQ: Fresno, CA, United StatesReported employees: 501-1,000 | Fresno, CA, United States | 501-1,000 | Exact match | 230 contacts → |
“Now part of Resource Innovations, RHA will expand its team to over 1,100 professionals, broadening expertise and offering clients additional solutions in energy storage and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | River Partnersriverpartners.org HQ: Chico, CA, United StatesReported employees: 51-200 | Chico, CA, United States | 51-200 | Exact match | 81 contacts → |
“River Partners brings life back to rivers.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Resource Centralresourcecentral.org HQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 62 contacts → |
“We are Resource Central: determined to make conservation so simple that you don’t even realize you’re doing it.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | The Freshwater Trustthefreshwatertrust.org HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 58 contacts → |
“The Freshwater Trust is focused on using insight to solve problems at the intersection of water and the economy.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Water Foundrywaterfoundry.com HQ: Denver, CO, United StatesReported employees: 11-50 | Denver, CO, United States | 11-50 | Exact match | 53 contacts → |
“We are committed to solving water scarcity and water quality challenges within our lifetime… through innovation in business strategy, technology, partnerships, business models and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Blue Missionsbluemissions.org HQ: Miami, FL, United StatesReported employees: Not recorded | Miami, FL, United States | Not recorded | Exact match | 41 contacts → |
“Empowering the youth to advocate for sustainable access to clean water for all through service and education.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Great River Greeninggreatrivergreening.org HQ: St. Paul, MN, United StatesReported employees: 11-50 | St. Paul, MN, United States | 11-50 | Exact match | 36 contacts → |
“Great River Greening inspires, engages and leads local communities in conserving and caring for the land and water that enrich our lives.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Oakland, CA, United StatesReported employees: Not recorded | Oakland, CA, United States | Not recorded | Exact match | 35 contacts → |
“CWEA is the trusted organization that advocates for and empowers wastewater professionals so they can protect and harness the potential of California’s most critical resource…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Wildlands Conservancy PAwildlandspa.org HQ: Emmaus, PA, United StatesReported employees: 11-50 | Emmaus, PA, United States | 11-50 | Exact match | 35 contacts → |
“Our Mission: Protect and restore critical natural areas and waterways and educate the community to create a legacy of a healthy, sustainable environment for future generations.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Buffalo Niagara Waterkeeperbnwaterkeeper.org HQ: Buffalo, NY, United StatesReported employees: 11-50 | Buffalo, NY, United States | 11-50 | Exact match | 34 contacts → |
“Buffalo Niagara WATERKEEPER’s mission is to protect and restore our water and surrounding ecosystems for the benefit of current and future generations.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Water Management INCwatermgt.com HQ: Alexandria, VA, United StatesReported employees: 11-50 | Alexandria, VA, United States | 11-50 | Exact match | 33 contacts → |
“Water Management, Inc.(WMI) is well established in the field of water efficiency and conservation and has developed a successful track record since its founding in 1980.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Waterwise Consulting, INCwaterwise-consulting.com HQ: Glendora, CA, United StatesReported employees: 11-50 | Glendora, CA, United States | 11-50 | Exact match | 33 contacts → |
“Conserving our Natural Resources for Future Generations." WaterWise Consulting Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | National Water Research Institute Nwrinwri-usa.org HQ: Fountain Valley, CA, United StatesReported employees: Not recorded | Fountain Valley, CA, United States | Not recorded | Exact match | 31 contacts → |
“The National Water Research Institute (NWRI) is a science-oriented 501c3 nonprofit that has sponsored projects and programs since 1991 to improve water quality, protect public…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Fulton, MD, United StatesReported employees: 11-50 | Fulton, MD, United States | 11-50 | Exact match | 31 contacts → |
“The Center for Watershed Protection works to advance clean water resources and healthy ecosystems through responsible land and water management.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | US Water Allianceuswateralliance.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 30 contacts → |
“The US Water Alliance is dedicated to advancing policies and programs to advance a sustainable water future for all.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Friends Of The Riverfriendsoftheriver.org HQ: Sacramento, CA, United StatesReported employees: 1-10 | Sacramento, CA, United States | 1-10 | Exact match | 24 contacts → |
“Friends of the River is California's only statewide river conservation organization.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Project WET Water Education Todayprojectwet.org HQ: Bozeman, MT, United StatesReported employees: 1-10 | Bozeman, MT, United States | 1-10 | Exact match | 24 contacts → |
“Project WET (Water Education Today) empowers educators to engage youth to understand water and solve local and global challenges.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | St. Louis Aquarium Foundationstlaquariumfoundation.org HQ: St. Louis, MO, United StatesReported employees: 1-10 | St. Louis, MO, United States | 1-10 | Exact match | 22 contacts → |
“As the nonprofit partner to the St.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | LOS Angeles Waterkeeperlawaterkeeper.org HQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 21 contacts → |
“Los Angeles Waterkeeper’s mission is to fight for the health of the region’s waterways, and for sustainable, equitable and climate-friendly water supplies.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bottom Line Utility Solutionsblusinc.com HQ: Laguna Hills, CA, United StatesReported employees: 11-50 | Laguna Hills, CA, United States | 11-50 | Exact match | 21 contacts → |
“Water & Energy Conservation Services Provider” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | River Networkrivernetwork.org HQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 21 contacts → |
“River Network grows and strengthens a transformational national network of water, justice, and river advocates.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Council For Watershed Healthwatershedhealth.org HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 20 contacts → |
“We're the Council for Watershed Health (CWH): working for healthy watersheds in Southern California using cutting-edge research, education & collaboration.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Aquasightaquasight.io HQ: Troy, MI, United StatesReported employees: 11-50 | Troy, MI, United States | 11-50 | Exact match | 19 contacts → |
“At Aquasight, we're on a mission to make the world a better place, one drop at a time.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Freshwaterfreshwater.org HQ: St. Paul, MN, United StatesReported employees: 11-50 | St. Paul, MN, United States | 11-50 | Exact match | 18 contacts → |
“The mission of Freshwater Society is to inspire and empower people to value and protect water.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 169 company matches
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Water conservation nonprofits: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
168 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 169 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for water conservation nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many water conservation nonprofits did RevenueBase find based in the United States?
The saved snapshot records 169 matching company records, 2,052 tracked contacts and 730 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 25 water conservation nonprofits based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/water-conservation-nonprofits/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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