Groundwater and Surface Water Monitoring at County Owned Municipal Solid Waste Facilities

Cowlitz County is hereby soliciting proposals to establish pricing for landfill groundwater and surface water detection monitoring services. Services will include but not limited to landfill groundwater and surface water detection monitoring of the active and closed cells within the two County owned municipal solid waste landfills.

The County intends to award one (1) agreement to provide services outlined in this RFP.

The consultant will provide all management, materials, equipment, labor and other items necessary to provide various testing services for permit compliance of the County owned landfills as needed. The quantity and duration of testing services will depend on the County’s requirements and needs for these services.

The services to be provided include but are not limited to, any or all of the following:

• Project Management and Coordination: Provide a designated Project Manager for the duration of any task order. Scheduling and coordination of services to meet sampling and reporting frequencies and deadlines. Provide test reports for inclusion into the project files. Provide final reports to the County.
• Sampling and Analysis Plans: Sampling and Analysis Plans have been prepared by Bright Fields Groundwater, Inc. for Cowlitz County’s Tennant Way Landfill, and the Headquarters Landfill. These Sampling and Analysis Plans have been approved by the Cowlitz County Environmental Health Unit and the Washington State Department of Ecology.
• Groundwater and Surface Water Monitoring: The Consultant shall perform all sampling, data management, and reporting in accordance with the approved Sampling and Analysis Plans.
• Billing: Consultant will bill Cowlitz County Public Works, 1600 13th Ave S, Kelso, WA 98626 monthly for any work performed in the calendar month, not later than 14 days after the end of the billing month. Billing must be calculated in strict accordance with the pricing provided by the Proposer.

**Submission:** Proposers are required to submit five (5) copies of their proposal. Two copies must have original signatures. The proposal, whether mailed or hand delivered, must physically arrive at the COUNTY and to the below noted person and location, no later than **3:00 PM Pacific Time on NOVEMBER 18, 2026**. Proposals may not be transmitted using email or facsimile transmission.

**Contract term:** The period of performance of any contract resulting from this RFP is tentatively scheduled to begin on or about January 1, 2027, and continue through December 31, 2029. The County reserves the right to extend the contract for up to one (1) additional one-year period if agreed to by both parties.

Evaluation weighting and scoring

• Technical and Management Proposal - 65% of total score: 65 points
• Cost Proposal - 35% of total score: 35 points
• TOTAL: 100 points

**Requirements:** Must be registered to conduct business in Washington State. Must be bonded and insured. The Proposer shall be directly responsible for completion of no less than 35% of the work to be performed.

**Insurance:** Comprehensive general liability $1,000,000 per occurrence and $2,000,000 aggregate; automobile liability $1,000,000 combined single limit; umbrella liability $5,000,000; pollution and asbestos liability $1,000,000 combined single limit.

There will be NO pre-proposal conference held for this RFP.