Federal contractor profile
STILLWATER ECOSYSTEM WATERSHED & RIVERINE SCIENCES
UEI VXAHDMSNP7P7CAGE 1SX16Company website ↗
Active
Overview
- Legal name
- STILLWATER ECOSYSTEM WATERSHED & RIVERINE SCIENCES
- Registered location
- BERKELEY, CA, USA
- Website
- Company website ↗
- Primary NAICS
- 541620 — Environmental Consulting Services
- Latest award activity
- Jun 12, 2026
Read company summary
STILLWATER ECOSYSTEM WATERSHED & RIVERINE SCIENCES is associated with UEI VXAHDMSNP7P7 and CAGE 1SX16 in public federal records. AcornBids currently links 6 prime awards totaling $5.9M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Commerce. Its recorded federal awards include work classified as Environmental Consulting Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541620 (Environmental Consulting Services). Its public SAM.gov registration lists BERKELEY, CA, USA.
At a glance
Lifetime prime obligations$5.9M
Prime awards6
Awards with future end dates1
Top-agency concentration
Not available
Why this customer concentration
Detailed agency totals are not available in this stored profile.
Largest positive coded-agency total ÷ all positive coded-agency totals × 100
Missing data is shown as unavailable.
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Sep 28, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- STILLWATER ECOSYSTEM WATERSHED & RIVERINE SCIENCES
- UEI
- VXAHDMSNP7P7
- CAGE
- 1SX16
- Registered address
- 2855 TELEGRAPH AVE, BERKELEY, CA, 94705, USA
- Registration status
- Active
- Primary NAICS
- 541620 — Environmental Consulting Services
- SAM activation
- Apr 28, 2026
- Initial registration
- Feb 4, 2002
- Entity start
- Apr 1, 1996
- SAM updated
- Apr 28, 2026
- Registration expires
- Apr 27, 2027
- Fiscal year end
- Dec 31
- Place of incorporation
- CA, USA
Federal award analysis
Net transaction obligations by federal fiscal period.
Transaction history is not available in the loaded data. Annual funding is not estimated from current award totals.
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| FERC12F0534ENVIRONMENTAL AND ENGINEERING SERVICES | Department of Energy | $42.8K | Apr 10, 2012 | Mar 30, 2014 |
| 140R2025P0017NORTHERN CALIFORNIA AREA OFFICE (NCAO) KLAMATH RIVER FLOW AUGMENTATION RELEASES (FAR) COMPILATION REPORT - PROFESSIONAL SERVICES | Department of the Interior | $335.5K | Apr 14, 2025 | Oct 13, 2026 |
| GS10F0216SFEDERAL SUPPLY SCHEDULE CONTRACT | General Services Administration | $5.3M | Apr 5, 2006 | Not available |
| 1305M320FNFFP0035LOWER ESTUARY - TECHNICAL/NON-TECHNICAL SCIENTIFIC SERVICES | Department of Commerce | $7.0M | Mar 11, 2020 | Aug 31, 2024 |
| 1305M320FNFFP00495 BIOLOGICAL TECHNICIANS (FISHERIES) | Department of Commerce | $1.1M | Apr 1, 2020 | Aug 31, 2024 |
| 1305M320FNFFP004820 BIOLOGICAL AIDE IIS | Department of Commerce | $729.0K | Mar 30, 2020 | Jun 30, 2024 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Apr 28, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Feb 4, 2002 |
| Entity start | Apr 1, 1996 |
Registration classifications: Self Certified Small Disadvantaged Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 541330 — Engineering Services | Not reported |
| 541620 — Environmental Consulting Services | Not reported |
| 541690 — Other Scientific and Technical Consulting Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| JAMES FOWLER | Government business | Contact method not published | SAM registration | Not available |
| JENNIFER SENGSOURITH | Alternate government business | Contact method not published | SAM registration | Not available |
| JAMES FOWLER | Electronic business | Contact method not published | SAM registration | Not available |
| JENNIFER SENGSOURITH | Alternate electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 541330 — Engineering Services
- 541620 — Environmental Consulting Services
- 541690 — Other Scientific and Technical Consulting Services
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
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About STILLWATER ECOSYSTEM WATERSHED & RIVERINE SCIENCES
What products and services appear in its federal awards?
Recorded award industries: 541620 — Environmental Consulting Services.
Recorded products and services: R799 — Other Management Support Services; B510 — Environmental Studies and Assessments; F999 — Other Environmental Services, Studies, and Analytical Support.
Examples from recent award records:
- ENVIRONMENTAL AND ENGINEERING SERVICES
- NORTHERN CALIFORNIA AREA OFFICE (NCAO) KLAMATH RIVER FLOW AUGMENTATION RELEASES (FAR) COMPILATION REPORT - PROFESSIONAL SERVICES
These records describe federal award work, not every company capability. Review the award evidence.
Where is the company registered?
2855 TELEGRAPH AVE, BERKELEY, California 94705, United States
Registered location from SAM.gov; award performance locations may differ.
What is its primary registered industry?
541620 — Environmental Consulting Services.
Primary SAM.gov NAICS classification.
Which federal agencies are represented in its awards?
Department of Commerce; Department of the Interior; Department of Energy.
Data coverage and methodology
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
No official subaward rows are loaded, so Acorn does not claim known teaming relationships.
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