# Oregon Buys #S-R34750-00018248

On-call treatment, pumping, and transmission system advisory services

**Posted:** October 23, 2026
**Respond By:** November 19, 2026
**Identifier:** S-R34750-00018248
**NAICS:** 541330

Tualatin Valley Water District is seeking on-call professional services to support startup and early operations of the Willamette Water Supply System.
- **Government buyer:** Tualatin Valley Water District (TVWD), managing agency for the Willamette Water Supply System (WWSS).
- **Requested services:**
  - Treatment and Pumping Support, including troubleshooting and advice on treatment processes, pump stations, water quality, controls, and system performance.
  - Transmission System Support, including advice on pipelines, hydraulics, flow and pressure management, reservoirs, water quality, and controls.
  - Related treatment services, plant support, and technical analysis for treatment, pumping, and transmission systems.
- **Service delivery:** The District anticipates three umbrella contracts per service category. Work will be assigned as needed through task orders; contract award does not guarantee work.
- **Important boundaries and qualifications:** Consultants provide recommendations and decision support, but are not expected to operate facilities, direct operations, perform maintenance or repairs, or provide parts, equipment, or corrective field labor. Oregon-registered Professional Engineers are required for task orders involving engineering practice.
- **Information protection:** Restricted water-system information is subject to confidentiality requirements, including reporting suspected security incidents within 24 hours.
- **OEMs and vendors:** No equipment manufacturers, OEMs, resellers, or prospective service providers are named in the opportunity.

### Description

Tualatin Valley Water District, as managing agency for the Willamette Water Supply System, seeks Statements of Qualifications for on-call professional services related to treatment, pumping, and transmission systems. Services will provide advisory and as-needed technical support during system startup and early operations, focusing on troubleshooting, operational support, and system performance; consultants are not expected to operate facilities. Proposers may submit for Treatment and Pumping Support, Transmission System Support, or both, and work will be assigned through task orders. The District anticipates multiple umbrella contract awards, but an award does not guarantee work.

[View original listing](https://oregonbuys.gov/bso/external/bidDetail.sda?docId=S-R34750-00018248&external=true&parentUrl=close)