# Lake Sonoma Sewage Pumping Vault and Portable Restroom Rental Services

Canonical: https://abierto.us/opportunities/w912p726qa010

- Solicitation number: W912P726QA010
- Notice type: Combined synopsis and solicitation
- Status: Closed. Deadline was July 7, 2026 at 3:00 PM EDT
- Department: Department of the Army
- Agency: Department of the Army
- Contracting office: W075 Endist San Fran (W912P7)
- NAICS: 562991 Septic Tank and Related Services
- Product or service code: S222 Waste Treatment and Storage
- Place of performance: Geyserville, California
- First posted: May 29, 2026
- Last posted: June 29, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/7e740d36425e4097b6c960b55317a533/view

## Description

Amended on 29 Jun 2026 to update the Performance Work Statement and provide response to RFIs.

Amended on 25 Jun 2026 to extend the quote due date. Please see Combined_Synopsis_Solicitation_Language_W912P726QA0010_0001_rev_06252026.pdf for details.

Lake Sonoma Sewage Pumping Vault and Portable Restroom Rental Services. This is a combined synopsis/solicitation for commercial services prepared in accordance with Revolutionary FAR Overhead (RFO) Part 12. This acquisition is for full and open competition. Offers are being requested and a separate written solicitation will not be issued. An optional site visit is scheduled for 09 June 2026 at 10:00am PDT.

The U.S. Army Corps of Engineers (USACE), San Francisco District is seeking to contract professional septic services for Warm Springs Dam (WSD) (Lake Sonoma) located at Geyserville, California. The contractor work and responsibility shall include all job planning, programming, scheduling, administration, inspection, and management necessary to accomplish specified services.

The contractor shall make sure that work is accomplished in accordance with the contract and all applicable laws, municipal codes, regulations, and/or written directives issued by the Contracting Officer. Please see attached documents for details.

## Publications

- May 29, 2026: Combined synopsis and solicitation, due June 29, 2026 at 3:00 PM EDT. Notice 81321588f39f4500906e9a34550bbc6b. https://sam.gov/workspace/contract/opp/81321588f39f4500906e9a34550bbc6b/view
- May 29, 2026: Combined synopsis and solicitation, due June 29, 2026 at 3:00 PM EDT. Notice d9261f4ef5cc4ea4a4f1db6d9dadd68f. https://sam.gov/workspace/contract/opp/d9261f4ef5cc4ea4a4f1db6d9dadd68f/view
- June 25, 2026: Combined synopsis and solicitation, due July 7, 2026 at 3:00 PM EDT. Notice 29bdd0b3fd09445e8c72096ae5e72c32. https://sam.gov/workspace/contract/opp/29bdd0b3fd09445e8c72096ae5e72c32/view
- June 25, 2026: Combined synopsis and solicitation, due July 7, 2026 at 3:00 PM EDT. Notice 339c1a9411e74f4fb330d6aaded7bc0c. https://sam.gov/workspace/contract/opp/339c1a9411e74f4fb330d6aaded7bc0c/view
- June 29, 2026: Combined synopsis and solicitation, due July 7, 2026 at 3:00 PM EDT. Notice 573aa4cdcdb040bca251e0a81406a00a. https://sam.gov/workspace/contract/opp/573aa4cdcdb040bca251e0a81406a00a/view
- June 29, 2026: Combined synopsis and solicitation, due July 7, 2026 at 3:00 PM EDT. Notice 7e740d36425e4097b6c960b55317a533. https://sam.gov/workspace/contract/opp/7e740d36425e4097b6c960b55317a533/view

## Points of contact

- Lisa Ip, lisa.i.ip@usace.army.mil, 4155036877
- Nairi Freeman, nairi.freeman@usace.army.mil, 4155036574

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/w912p726qa010.