# Lake Sonoma Sewage Pumping Vault and Portable Restroom Rental Services

Canonical: https://abierto.us/opportunities/w912p726qa003

- Solicitation number: W912P726QA003
- Notice type: Combined synopsis and solicitation
- Status: Closed. Deadline was May 1, 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
- Set-aside: Total small business set-aside
- Place of performance: Geyserville, California
- County: Sonoma County (FIPS 06097). https://abierto.us/counties/sonoma-county-ca-06097
- City: Geyserville. https://abierto.us/cities/geyserville-ca-0629420
- First posted: March 25, 2026
- Last posted: April 22, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/fed53ddc00844377a91ef603a87b7af2/view

## Description

Amended on 22 April 2026 to extend the quote due date and add a submission method. Please see Combined_Synopsis_Solicitation_Language_Rev_04222026.pdf for details.

Updated on 14 April 2026 to add RFIs #6 and #7 to the RFI document. PIEE identified this as an amendment, but this is not an amendment.

Updated on 03 April 2026 to add RFI #5 to the RFI document. PIEE identified this as an amendment, but this is not an amendment.

Updated on 01 April 2026 to provide answer to question received. PIEE identified this as an amendment, but this is not an amendment.

Lake Sonoma Sewage Pumping Vault and Portable Restroom Rental Services. This is a combined synopsis/solicitation for commercial services prepared in accordance with Federal Acquisition Regulation (FAR) Part 12. Offers are being requested and a separate written solicitation will not be issued. An optional site visit is scheduled for 02 April 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

- March 25, 2026: Combined synopsis and solicitation, due April 24, 2026 at 3:00 PM EDT. Notice 51d8342707a24f78b773a5c81ba02a7b. https://sam.gov/workspace/contract/opp/51d8342707a24f78b773a5c81ba02a7b/view
- March 25, 2026: Combined synopsis and solicitation, due April 24, 2026 at 3:00 PM EDT. Notice ee72887d0121474488155b9fe5084126. https://sam.gov/workspace/contract/opp/ee72887d0121474488155b9fe5084126/view
- April 1, 2026: Combined synopsis and solicitation, due April 24, 2026 at 3:00 PM EDT. Notice 567d967120e74260be9df648d7c3eee2. https://sam.gov/workspace/contract/opp/567d967120e74260be9df648d7c3eee2/view
- April 1, 2026: Combined synopsis and solicitation, due April 24, 2026 at 3:00 PM EDT. Notice 892495a717854589904e78dccdfeba86. https://sam.gov/workspace/contract/opp/892495a717854589904e78dccdfeba86/view
- April 3, 2026: Combined synopsis and solicitation, due April 24, 2026 at 3:00 PM EDT. Notice b52fa7cfa4cb4bc5ae124e907d589683. https://sam.gov/workspace/contract/opp/b52fa7cfa4cb4bc5ae124e907d589683/view
- April 3, 2026: Combined synopsis and solicitation, due April 24, 2026 at 3:00 PM EDT. Notice d4c67e0fecf14600a578328af51d167d. https://sam.gov/workspace/contract/opp/d4c67e0fecf14600a578328af51d167d/view
- April 14, 2026: Combined synopsis and solicitation, due April 24, 2026 at 3:00 PM EDT. Notice 128e0b9f0dee4489a05d811bb04286df. https://sam.gov/workspace/contract/opp/128e0b9f0dee4489a05d811bb04286df/view
- April 14, 2026: Combined synopsis and solicitation, due April 24, 2026 at 3:00 PM EDT. Notice e5402dc528604fd49bbd42e740ffd94f. https://sam.gov/workspace/contract/opp/e5402dc528604fd49bbd42e740ffd94f/view
- April 22, 2026: Combined synopsis and solicitation, due May 1, 2026 at 3:00 PM EDT. Notice fdf42c930c6647fdabda6d91df05049d. https://sam.gov/workspace/contract/opp/fdf42c930c6647fdabda6d91df05049d/view
- April 22, 2026: Combined synopsis and solicitation, due May 1, 2026 at 3:00 PM EDT. Notice fed53ddc00844377a91ef603a87b7af2. https://sam.gov/workspace/contract/opp/fed53ddc00844377a91ef603a87b7af2/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/w912p726qa003.