# Pierce County Opengov #2026-RFP-189

Pierce County solicitation for Class B biosolids management and beneficial use

**Posted:** October 16, 2026
**Respond By:** October 30, 2026
**Identifier:** 2026-RFP-189
**NAICS:** 562219, 562998, 562920, 325315

Pierce County is seeking a provider to manage and beneficially use biosolids from its wastewater treatment plants.
- **Government buyer:** Pierce County — Procurement and Contract Services, Tacoma, Washington.
- **Requested service:** Accept, handle, process, and beneficially utilize the County’s Class B biosolids. No quantity or part number is specified.
- **Provider requirements:** Demonstrate biosolids-management experience, qualified personnel, suitable and safely maintained equipment, and reliable capacity to handle the full proposed quantity.
- **Compliance and documentation:** Describe each proposed beneficial-use facility, its permits and operating capacity, and application practices and sites where applicable. Provide monitoring, recordkeeping, reporting, and environmental-regulation compliance; include land-application permit and registration costs in the base unit price. A truck Spill Prevention and Response Plan is required.
- **OEMs and vendors:** No product manufacturers, OEMs, or service-provider vendors are named in the opportunity.

### Description

Pierce County seeks a qualified contractor to accept, handle, process, and beneficially utilize Class B biosolids generated by County wastewater treatment plants. The work includes managing disposition and application, monitoring, permitting, recordkeeping, reporting, and compliance with applicable laws and best management practices. The contractor must provide reliable intake capacity, qualified personnel, suitable equipment, and required permits and documentation. The anticipated contract has an initial four-year term, with possible extensions of up to four additional one-year terms.

[View original listing](https://procurement.opengov.com/portal/piercecountywa/projects/314541)