Company lists · Data refreshed November 2026
Top 25 Wastewater discharge permitting services based in the United States
RevenueBase identified 98 company matches for wastewater discharge permitting services associated with the United States as of November 2026 and tracks 690 professional contacts across them, including 255 with verified work emails. Los Angeles is the largest hub.
This list covers company matches for wastewater discharge permitting services 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 November 6, 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 wastewater discharge permitting services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 81 contacts → | ||||
Exact match “Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 30 contacts → | ||||
Exact match “Practical Applications Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 16 contacts → | ||||
Exact match “Mounce & Associates is a dynamic company providing regulatory compliance programs and services to the industrial community located throughout the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 15 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 13 contacts → | ||||
Exact match “Since 1989, Chapman Environmental Services has been a leader in comprehensive environmental solutions, specializing in remediation, water compliance, and environmental air…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 11 contacts → | ||||
Exact match “Consulting engineer services relating to commercial pool permitting, site and development projects, wastewater and water system projects, environmental regulation, permit service…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 11 contacts → | ||||
Exact match “We provide EPA Compliance for water and wastewater plants, provide Licensed Operators of Record as well as all forms of environmental construction and maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 11 contacts → | ||||
Exact match “Here At Ambiente H2O we can take care of all your wastewater needs, gives a call and one of our amazing employees will guide you in the right direction!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 10 contacts → | ||||
Exact match “Providing access to safe water means there is absolutely no room for error.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 10 contacts → | ||||
Exact match “RDH Environmental Services provides wastewater compliance services to industrial users and flow monitoring services to engineering companies and public / private treatment…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 10 contacts → | ||||
Exact match “In SSRSS we provide you with the designed specifically to address the permit requirements related to your construction job site.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match “NovelEsolutions offers a full range of turnkey environmental engineering and consulting services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 9 contacts → | ||||
Exact match “At Clean Stormwater Inc, we make complex stormwater compliance simple.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “Environmental Compliance isn't just a box to check-it’s a critical part of long-term operational success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 8 contacts → | ||||
Exact match “SOLA Environmental, LLC provides environmental consultation services to industrial facilities and corporate entities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 7 contacts → | ||||
Exact match “SALT CREEK SANITARY DISTRICT is a company based out of Villa Park, United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match “My company continues to grow with new clients as we work on environmental compliance programs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 6 contacts → | ||||
Exact match “Laulea Engineering, LLC is a locally owned and operated professional civil+environmental engineering boutique firm based on Oahu.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “Insight Solutions Group is a locally owned consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 5 contacts → | ||||
Exact match “We're your permit pals, experts in SMRs, Sampling, and pH tracking.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “Stay tuned for new services coming soon!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 5 contacts → | ||||
Exact match “The Conservtech Group is a leading environmental and civil engineering firm serving clients in Southern California.” Recorded in the RevenueBase company graph · Nov 6, 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 “wastewater discharge permitting services”. 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 98 wastewater discharge permitting services based in the United States
See the full list, filter by size, metro and specialty, and access 255 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Wastewater discharge permitting services based in the United States at a glance
As of Nov 6, 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 98 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 “wastewater discharge permitting services” 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 255 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 November 6, 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 “wastewater discharge permitting services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many wastewater discharge permitting services are there based in the United States?
RevenueBase identified 98 company matches for wastewater discharge permitting services associated with the United States as of November 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?
Larry Walker Associates tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most wastewater discharge permitting services?
Los Angeles leads with 3 company records, followed by Austin (2) and Costa Mesa (2).
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 255 professional contacts with verified work emails tracked across these 98 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 98 wastewater discharge permitting services 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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- AI companies based in the United States
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Company intelligence · public preview
Top 25 wastewater discharge permitting services 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 98 matching company records for wastewater discharge permitting services based in the United States, with 690 tracked contacts and 255 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: November 6, 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 wastewater discharge permitting services 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 |  Larry Walker Associateslwa.comHQ: Davis, CA, United StatesReported employees: 51-200 | Davis, CA, United States | 51-200 | Exact match | 81 contacts → |
“Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Practical Applications, INCpaih2o.comHQ: Woburn, MA, United StatesReported employees: 11-50 | Woburn, MA, United States | 11-50 | Exact match | 30 contacts → |
“Practical Applications Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Mounce & Associatesmounce.net HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 16 contacts → |
“Mounce & Associates is a dynamic company providing regulatory compliance programs and services to the industrial community located throughout the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Capitol Environmental, INCcapitolenvironmental.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 |  Chapman Environmental Serviceschapmanes.comHQ: Eatontown, NJ, United StatesReported employees: 11-50 | Eatontown, NJ, United States | 11-50 | Exact match | 13 contacts → |
“Since 1989, Chapman Environmental Services has been a leader in comprehensive environmental solutions, specializing in remediation, water compliance, and environmental air…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Kimes Engineering And Management Services, INCkimesengineering.comHQ: Bradenton, FL, United StatesReported employees: 11-50 | Bradenton, FL, United States | 11-50 | Exact match | 11 contacts → |
“Consulting engineer services relating to commercial pool permitting, site and development projects, wastewater and water system projects, environmental regulation, permit service…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Bedford, OH, United StatesReported employees: 11-50 | Bedford, OH, United States | 11-50 | Exact match | 11 contacts → |
“We provide EPA Compliance for water and wastewater plants, provide Licensed Operators of Record as well as all forms of environmental construction and maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Ambiente H2o INCambienteh2o.comHQ: Sheridan, CO, United StatesReported employees: 11-50 | Sheridan, CO, United States | 11-50 | Exact match | 11 contacts → |
“Here At Ambiente H2O we can take care of all your wastewater needs, gives a call and one of our amazing employees will guide you in the right direction!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Elston Johnson And Associatesejohnsonconsulting.comHQ: Round Rock, TX, United StatesReported employees: 11-50 | Round Rock, TX, United States | 11-50 | Exact match | 10 contacts → |
“Providing access to safe water means there is absolutely no room for error.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Carpinteria Sanitary Districtcarpsan.com HQ: Carpinteria, CA, United StatesReported employees: 1-10 | Carpinteria, CA, United States | 1-10 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 |  RDH Environmental Services, L.L.Crdh-env.comHQ: Phoenix, AZ, United StatesReported employees: 1-10 | Phoenix, AZ, United States | 1-10 | Exact match | 10 contacts → |
“RDH Environmental Services provides wastewater compliance services to industrial users and flow monitoring services to engineering companies and public / private treatment…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Socal Stormwater Runoff Solution Services INCsocalstormwatersolutions.comHQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 10 contacts → |
“In SSRSS we provide you with the designed specifically to address the permit requirements related to your construction job site.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Novelesolutions, INCnovelesolutions.comHQ: Tampa, FL, United StatesReported employees: 11-50 | Tampa, FL, United States | 11-50 | Exact match | 9 contacts → |
“NovelEsolutions offers a full range of turnkey environmental engineering and consulting services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Buck Seifert & Jost, INCbsjinc.com HQ: Norwood, NJ, United StatesReported employees: 11-50 | Norwood, NJ, United States | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Clean Stormwater INCcleanstormwaterinc.comHQ: Commerce Township, MI, United StatesReported employees: 1-10 | Commerce Township, MI, United States | 1-10 | Exact match | 9 contacts → |
“At Clean Stormwater Inc, we make complex stormwater compliance simple.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Adams & Wendt, INCadams-wendt.com HQ: Mesa, AZ, United StatesReported employees: 1-10 | Mesa, AZ, United States | 1-10 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  Resolute Compliance, LLCresolutecompliance.comHQ: Longview, TX, United StatesReported employees: 11-50 | Longview, TX, United States | 11-50 | Exact match | 9 contacts → |
“Environmental Compliance isn't just a box to check-it’s a critical part of long-term operational success.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Sola Environmentalsola-environmental.comHQ: Indian Springs, AL, United StatesReported employees: 1-10 | Indian Springs, AL, United States | 1-10 | Exact match | 8 contacts → |
“SOLA Environmental, LLC provides environmental consultation services to industrial facilities and corporate entities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Salt Creek Sanitary Districtsaltcreeksd.comHQ: Villa Park, United StatesReported employees: 1-10 | Villa Park, United States | 1-10 | Exact match | 7 contacts → |
“SALT CREEK SANITARY DISTRICT is a company based out of Villa Park, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Midwest Training And Consulting Servicesmidwest-training.comHQ: Olathe, KS, United StatesReported employees: 1-10 | Olathe, KS, United States | 1-10 | Exact match | 6 contacts → |
“My company continues to grow with new clients as we work on environmental compliance programs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Laulea Engineering, LLClauleallc.comHQ: Honolulu, HI, United StatesReported employees: 1-10 | Honolulu, HI, United States | 1-10 | Exact match | 6 contacts → |
“Laulea Engineering, LLC is a locally owned and operated professional civil+environmental engineering boutique firm based on Oahu.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Insight Solutions Group, LLCinsightenvironmental.netHQ: Summerville, SC, United StatesReported employees: 1-10 | Summerville, SC, United States | 1-10 | Exact match | 5 contacts → |
“Insight Solutions Group is a locally owned consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Mehall Contractingmehallcontracting.comHQ: Chandler, AZ, United StatesReported employees: 11-50 | Chandler, AZ, United States | 11-50 | Exact match | 5 contacts → |
“We're your permit pals, experts in SMRs, Sampling, and pH tracking.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | PA Environmental Solutions, INCpesiservices.com HQ: Dalmatia, PA, United StatesReported employees: 11-50 | Dalmatia, PA, United States | 11-50 | Exact match | 5 contacts → |
“Stay tuned for new services coming soon!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  The Conservtech Groupconservtechgroup.comHQ: Commerce, CA, United StatesReported employees: 1-10 | Commerce, CA, United States | 1-10 | Exact match | 5 contacts → |
“The Conservtech Group is a leading environmental and civil engineering firm serving clients in Southern California.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 98 company matches
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Wastewater discharge permitting services: dataset insights
November 6, 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
98 records in the displayed employee bands.
0 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 98 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: November 6, 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 wastewater discharge permitting services?
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 wastewater discharge permitting services did RevenueBase find based in the United States?
The saved snapshot records 98 matching company records, 690 tracked contacts and 255 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: November 6, 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 wastewater discharge permitting services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/wastewater-discharge-permitting-services/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 wastewater discharge permitting services based in the United States
RevenueBase records 98 matching company records for wastewater discharge permitting services based in the United States, with 690 tracked contacts and 255 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: November 6, 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 wastewater discharge permitting services 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 | Larry Walker Associateslwa.com HQ: Davis, CA, United StatesReported employees: 51-200 | Davis, CA, United States | 51-200 | Exact match | 81 contacts → |
“Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Practical Applications, INCpaih2o.com HQ: Woburn, MA, United StatesReported employees: 11-50 | Woburn, MA, United States | 11-50 | Exact match | 30 contacts → |
“Practical Applications Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Mounce & Associatesmounce.net HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 16 contacts → |
“Mounce & Associates is a dynamic company providing regulatory compliance programs and services to the industrial community located throughout the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Capitol Environmental, INCcapitolenvironmental.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | Chapman Environmental Serviceschapmanes.com HQ: Eatontown, NJ, United StatesReported employees: 11-50 | Eatontown, NJ, United States | 11-50 | Exact match | 13 contacts → |
“Since 1989, Chapman Environmental Services has been a leader in comprehensive environmental solutions, specializing in remediation, water compliance, and environmental air…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Kimes Engineering And Management Services, INCkimesengineering.com HQ: Bradenton, FL, United StatesReported employees: 11-50 | Bradenton, FL, United States | 11-50 | Exact match | 11 contacts → |
“Consulting engineer services relating to commercial pool permitting, site and development projects, wastewater and water system projects, environmental regulation, permit service…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Bedford, OH, United StatesReported employees: 11-50 | Bedford, OH, United States | 11-50 | Exact match | 11 contacts → |
“We provide EPA Compliance for water and wastewater plants, provide Licensed Operators of Record as well as all forms of environmental construction and maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ambiente H2o INCambienteh2o.com HQ: Sheridan, CO, United StatesReported employees: 11-50 | Sheridan, CO, United States | 11-50 | Exact match | 11 contacts → |
“Here At Ambiente H2O we can take care of all your wastewater needs, gives a call and one of our amazing employees will guide you in the right direction!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Elston Johnson And Associatesejohnsonconsulting.com HQ: Round Rock, TX, United StatesReported employees: 11-50 | Round Rock, TX, United States | 11-50 | Exact match | 10 contacts → |
“Providing access to safe water means there is absolutely no room for error.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Carpinteria Sanitary Districtcarpsan.com HQ: Carpinteria, CA, United StatesReported employees: 1-10 | Carpinteria, CA, United States | 1-10 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | RDH Environmental Services, L.L.Crdh-env.com HQ: Phoenix, AZ, United StatesReported employees: 1-10 | Phoenix, AZ, United States | 1-10 | Exact match | 10 contacts → |
“RDH Environmental Services provides wastewater compliance services to industrial users and flow monitoring services to engineering companies and public / private treatment…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Socal Stormwater Runoff Solution Services INCsocalstormwatersolutions.com HQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 10 contacts → |
“In SSRSS we provide you with the designed specifically to address the permit requirements related to your construction job site.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Novelesolutions, INCnovelesolutions.com HQ: Tampa, FL, United StatesReported employees: 11-50 | Tampa, FL, United States | 11-50 | Exact match | 9 contacts → |
“NovelEsolutions offers a full range of turnkey environmental engineering and consulting services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Buck Seifert & Jost, INCbsjinc.com HQ: Norwood, NJ, United StatesReported employees: 11-50 | Norwood, NJ, United States | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Clean Stormwater INCcleanstormwaterinc.com HQ: Commerce Township, MI, United StatesReported employees: 1-10 | Commerce Township, MI, United States | 1-10 | Exact match | 9 contacts → |
“At Clean Stormwater Inc, we make complex stormwater compliance simple.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Adams & Wendt, INCadams-wendt.com HQ: Mesa, AZ, United StatesReported employees: 1-10 | Mesa, AZ, United States | 1-10 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Resolute Compliance, LLCresolutecompliance.com HQ: Longview, TX, United StatesReported employees: 11-50 | Longview, TX, United States | 11-50 | Exact match | 9 contacts → |
“Environmental Compliance isn't just a box to check-it’s a critical part of long-term operational success.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Sola Environmentalsola-environmental.com HQ: Indian Springs, AL, United StatesReported employees: 1-10 | Indian Springs, AL, United States | 1-10 | Exact match | 8 contacts → |
“SOLA Environmental, LLC provides environmental consultation services to industrial facilities and corporate entities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Salt Creek Sanitary Districtsaltcreeksd.com HQ: Villa Park, United StatesReported employees: 1-10 | Villa Park, United States | 1-10 | Exact match | 7 contacts → |
“SALT CREEK SANITARY DISTRICT is a company based out of Villa Park, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Midwest Training And Consulting Servicesmidwest-training.com HQ: Olathe, KS, United StatesReported employees: 1-10 | Olathe, KS, United States | 1-10 | Exact match | 6 contacts → |
“My company continues to grow with new clients as we work on environmental compliance programs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Laulea Engineering, LLClauleallc.com HQ: Honolulu, HI, United StatesReported employees: 1-10 | Honolulu, HI, United States | 1-10 | Exact match | 6 contacts → |
“Laulea Engineering, LLC is a locally owned and operated professional civil+environmental engineering boutique firm based on Oahu.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Insight Solutions Group, LLCinsightenvironmental.net HQ: Summerville, SC, United StatesReported employees: 1-10 | Summerville, SC, United States | 1-10 | Exact match | 5 contacts → |
“Insight Solutions Group is a locally owned consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mehall Contractingmehallcontracting.com HQ: Chandler, AZ, United StatesReported employees: 11-50 | Chandler, AZ, United States | 11-50 | Exact match | 5 contacts → |
“We're your permit pals, experts in SMRs, Sampling, and pH tracking.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | PA Environmental Solutions, INCpesiservices.com HQ: Dalmatia, PA, United StatesReported employees: 11-50 | Dalmatia, PA, United States | 11-50 | Exact match | 5 contacts → |
“Stay tuned for new services coming soon!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | The Conservtech Groupconservtechgroup.com HQ: Commerce, CA, United StatesReported employees: 1-10 | Commerce, CA, United States | 1-10 | Exact match | 5 contacts → |
“The Conservtech Group is a leading environmental and civil engineering firm serving clients in Southern California.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 98 company matches
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Wastewater discharge permitting services: dataset insights
November 6, 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
98 records in the displayed employee bands.
0 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 98 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: November 6, 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 wastewater discharge permitting services?
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 wastewater discharge permitting services did RevenueBase find based in the United States?
The saved snapshot records 98 matching company records, 690 tracked contacts and 255 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: November 6, 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 wastewater discharge permitting services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/wastewater-discharge-permitting-services/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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