J. Jenkins OSS (COW)

The Indian Health Service is preparing to solicit a septic system replacement in Castle Rock, Washington, set aside for Total Small Business, with a sources-sought response deadline of August 21, 2026. The procurement is restricted to Indian Economic Enterprises under the Buy Indian Act, with offerors required to certify IEE eligibility at offer, award, and throughout performance and maintain SAM registration.

Work involves installation of an individual on-site septic system for an existing home on fee land, including a 1,050-gallon two-compartment concrete septic tank with effluent filter, distribution box with speed levelers, 4-inch PVC feeder lines connected to gravity trench chamber drainfield laterals, and 4-inch solid sewer pipe with one underground two-way cleanout. The contractor must pump and decommission the existing tank and obtain all permits, including the Department of Ecology Notice of Intent. Performance occurs in Cowlitz County, Washington.

Anticipated project magnitude is between $25,000 and $100,000. Work is categorized under PSC Y1NZ (Construction of Other Non-Building Facilities) and NAICS 237110 (Water and Sewer Line and Related Structures Construction) with a $45.0 million size standard. Responses to the sources-sought RFI must be emailed to Robert S. Miller at Robert.Miller2@ihs.gov by 2:00 p.m. CST on August 21, 2026, and must include company information, small business certifications, bonding capacity, and two to five similar projects completed within the last six years with construction dates, values, and agency references. Native American–Indian-Owned Businesses must submit the IHS IEE Representation Form and Department of Interior Certificate of Degree of Indian Blood documentation with personally identifiable information redacted. This RFI is for market research only; no proposals are being accepted.