Lake Sonoma Sewage Pumping Vault and Portable Restroom Rental Services

Closed Solicitation Posted

Solicitation number
W912P726QA010
Agency
Responses due
Set-aside
No set-aside

Opportunity facts

Place of performance
Lake Sonoma, Geyserville, California Geyserville, California, United States

Notice details come from SAM.gov. Updated .

About this opportunity

The U.S. Army Corps of Engineers, San Francisco District seeks sewage pumping vault and portable restroom rental services at Warm Springs Dam (Lake Sonoma) in Geyserville, California, with quotes due July 7, 2026. This is full and open competition under NAICS 562991 (Septic Tank and Related Services) with a small business size standard of $9 million.

The solicitation was amended on June 25, 2026 to extend the quote deadline from June 29 to July 7, and again on June 29, 2026 to update the Performance Work Statement and provide responses to Requests for Information. Questions are due June 15, 2026. An optional site visit is scheduled for June 9, 2026, at 10:00 a.m. PDT.

Place of performance is Geyserville, California across multiple park locations including Park Headquarters, Liberty Glen campground, and the Overlook Day-Use area. The base contract period runs September 21, 2026 through September 20, 2027, with four optional one-year renewal periods extending through September 20, 2031.

The incumbent contractor is United Site Services of California, who performed services valued at $343,213.32. Services include weekly portable toilet servicing (increased to twice weekly May through October), vault and holding tank pumping of approximately 40,000 gallons annually, unit delivery within 24 hours and removal within 48 hours, emergency pumping within six hours, and maintenance of approximately 25 portable units in off-season and 29 in peak season. Estimated annual services include 806 standard and 1,352 ADA-compliant portable units, with an optional Liberty Glen expansion adding 832 standard and 832 ADA units.

This is a Firm-Fixed Price requirements contract. Offerors must submit active SAM registration, technical capability statements addressing sewage treatment plant selection, SCA wage rate compliance for Sonoma County, emergency response capabilities, past performance documentation (CPARS or Past Performance Questionnaire), completed pricing schedules, and a financial bank letter. Incomplete pricing schedules are deemed unresponsive. Evaluation follows FAR 52.212-2 with HUBZone small business evaluation preference at 10 percent.

Foreign contractors must submit IRS Form W-14 to claim exemption from 2 percent federal excise tax withholding.

Notice text

3 versions

Update #3 · Latest ·

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

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

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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.

Update #2 ·

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

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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.

Update #1 ·

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.

Files

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