Stillwater Ecosystem Watershed & Riverine Sciences
Berkeley, CA Doing business as Stillwater Sciences
- UEI
- VXAHDMSNP7P7
- CAGE
- 1SX16
- Primary NAICS
- 541620 Environmental Consulting Services
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
- Corporate family
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Stillwater Ecosystem Watershed & Riverine Sciences
VXAHDMSNP7P7
- Stillwater-Anchor Joint Venture LBLVC9LE7FK6
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Stillwater Ecosystem Watershed & Riverine Sciences
VXAHDMSNP7P7
- SAM.gov registration date
- Physical address
- 2855 Telegraph Ave #400, Berkeley, CA 94705, USA
- Website
- stillwatersci.com
- Founded
- 1996
- Employees
- 51-250
- Estimated annual revenue
- $10M-$50M
- Industry
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- Industrials
- Commercial & Professional Services
- Professional Services
- Consulting
- SIC code
- 89 Services, Not Elsewhere Classified
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Northern california area office (ncao) klamath river flow augmentation releases (far) compilation report -… | Bureau of Reclamation | $335,544 | |
| Or-klamath falls FWO-phase 2 phoslock study | DOI Fish and Wildlife Service Region 1 | $78,759 | |
| 5 biological technicians (fisheries) | National Oceanic and Atmospheric Administration | $486,193 | |
| 20 biological aide IIS | National Oceanic and Atmospheric Administration | $304,829 | |
| Lower estuary - technical/non-technical scientific services | National Oceanic and Atmospheric Administration | $4,692,746 |
About Stillwater Ecosystem Watershed & Riverine Sciences
Stillwater Ecosystem Watershed & Riverine Sciences, doing business as Stillwater Sciences, is a small disadvantaged, for-profit corporate entity based in Berkeley, California, specializing in environmental consulting and scientific research services. Registered in SAM.gov since 2002, the company provides professional environmental and ecological consulting services to federal agencies, with a focus on watershed management, ecological restoration, and environmental impact assessment. The organization is structured as a Subchapter S Corporation and has demonstrated expertise in complex environmental research and restoration projects, particularly in aquatic and riverine ecosystems.
The company has secured federal contract awards primarily from agencies like the Bureau of Reclamation and U.S. Fish and Wildlife Service, with a notable focus on environmental consulting services related to river systems and aquatic ecosystems. Their federal contract work includes professional services such as the Klamath River Flow Augmentation Releases (FAR) Compilation Report, a $312,045 firm-fixed-price purchase order from the Bureau of Reclamation to analyze physical, chemical, and biological factors influencing river conditions and salmon migration. Another contract with the U.S. Fish and Wildlife Service involved a $78,758.57 purchase order for a Phase 2 Phoslock Study, aimed at improving water quality in Upper Klamath Lake to support endangered sucker fish populations. These contracts were typically set aside for small businesses and demonstrated the company's specialized scientific and technical capabilities.
Stillwater Sciences has also been involved in federal grant sub-awards, primarily through the National Fish and Wildlife Foundation, focusing on environmental research and restoration projects in the Upper Klamath Basin. Their grant-related work has centered on conducting comprehensive literature reviews and designing pilot studies related to phosphorus sequestration and water quality improvement for endangered species. Specific grant sub-award projects have included designing a pilot study to prepare for potential Phoslock application in recently-restored wetlands around Upper Klamath Lake, with the ultimate goal of improving water quality for endangered sucker fish. These grants align with the Endangered Species Act recovery plan and demonstrate the organization's commitment to scientific research that supports ecological conservation and restoration efforts.
Contract vehicles
SBA capabilities narrative
Stillwater Sciences specializes in scientific approaches and technologies for environmental problem-solving in aquatic and terrestrial ecosystems. Projects include forest planning, hydroelectric operations, watershed assessment, environmental restoration.
Quick answers
What is Stillwater Ecosystem Watershed & Riverine Sciences's UEI?
Stillwater Ecosystem Watershed & Riverine Sciences's Unique Entity ID (UEI) in SAM.gov is VXAHDMSNP7P7.
What is Stillwater Ecosystem Watershed & Riverine Sciences's CAGE code?
Stillwater Ecosystem Watershed & Riverine Sciences's CAGE code is 1SX16.
What is Stillwater Ecosystem Watershed & Riverine Sciences's primary NAICS code?
Stillwater Ecosystem Watershed & Riverine Sciences's primary NAICS code is 541620 (Environmental Consulting Services).
Where is Stillwater Ecosystem Watershed & Riverine Sciences located?
Stillwater Ecosystem Watershed & Riverine Sciences's physical address in SAM.gov is 2855 Telegraph Ave #400, Berkeley, CA 94705, USA.
Is Stillwater Ecosystem Watershed & Riverine Sciences registered in SAM.gov?
Yes. Stillwater Ecosystem Watershed & Riverine Sciences's SAM.gov registration is active through April 27, 2027.
Which contract vehicles does Stillwater Ecosystem Watershed & Riverine Sciences hold?
Stillwater Ecosystem Watershed & Riverine Sciences holds a place on 2 federal contract vehicles, including MAS and PSS.
What is Stillwater Ecosystem Watershed & Riverine Sciences's most recent federal award?
Stillwater Ecosystem Watershed & Riverine Sciences's most recent federal contract award is Northern california area office (ncao) klamath river flow augmentation releases (far) compilation report -… (140R2025P0017), from Bureau of Reclamation, on April 14, 2025.
On GovTribe
See Stillwater Ecosystem Watershed & Riverine Sciences's full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
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