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Grays Harbor County 2026 Noxious Weed Control RFP - Brazilian Elodea (Egeria densa) Control Project

Grays Harbor County logoGrays Harbor County
Due
Jul 9, 2026
Deadline passed
Posted
Jun 25, 2026
Contract term
4 years
Primary contact
Danika Davis
(360) 482-2265

The 30-second brief

What they're buying

Grays Harbor County is soliciting proposals from qualified contractors for the 2026 Noxious Weed Control project, specifically targeting Brazilian elodea (Egeria densa) within the navigable waters of the Chehalis River between River Mile 67 and River Mile 13. The scope includes surveying, mapping, mechanical removal (snorkeling/SCUBA), herbicide treatment, biomass disposal, and monitoring across Grays Harbor, Thurston, and Lewis Counties. This Aquatic Species Restoration Program (ASRP) priority project has an estimated period of performance from August 17, 2026, through January 31, 2030. Proposals are due July 9, 2026, and must include WSDA Commercial Applicator Licenses and a detailed cost proposal. Evaluation criteria include firm qualifications (35 pts), proposed approach (25 pts), and cost (10 pts).

What you must deliver

Annual Work Plan, Pre-Treatment Survey and Mapping Report, Monthly Progress Reports, Treatment Data Package, Annual Performance Report, Year 3 Evaluation Report, Final Project Report

How it's scored

Firm information (5 pts), Firm references (15 pts), Firm qualifications regarding Noxious Weed Control (35 pts), Proposed approach and methodology (25 pts), Data collection and mapping sample (10 pts), Cost of the service (10 pts)

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Summary

Grays Harbor County is soliciting proposals from qualified contractors for the 2026 Noxious Weed Control project, specifically targeting Brazilian elodea (Egeria densa) within the navigable waters of the Chehalis River between River Mile 67 and River Mile 13.

The scope includes surveying, mapping, mechanical removal (snorkeling/SCUBA), herbicide treatment, biomass disposal, and monitoring across Grays Harbor, Thurston, and Lewis Counties. This Aquatic Species Restoration Program (ASRP) priority project has an estimated period of performance from August 17, 2026, through January 31, 2030. Proposals are due July 9, 2026, and must include WSDA Commercial Applicator Licenses and a detailed cost proposal. Evaluation criteria include firm qualifications (35 pts), proposed approach (25 pts), and cost (10 pts).

EVALUATION CRITERIA

Firm information5 pts
Firm references15 pts
Firm qualifications regarding Noxious Weed Control35 pts
Proposed approach and methodology25 pts
Data collection and mapping sample10 pts
Cost of the service10 pts

REQUIRED DELIVERABLES

7
  • Annual Work Plan
  • Pre-Treatment Survey and Mapping Report
  • Monthly Progress Reports
  • Treatment Data Package
  • Annual Performance Report
  • Year 3 Evaluation Report
  • Final Project Report

REQUIRED ATTACHMENTS

9
  • Exhibit A Scope of Work
  • Exhibit B Cost Proposal
  • Exhibit C Proposal Certification
  • Exhibit D Exceptions and Assumptions
  • Exhibit E Contractor References Form
  • Exhibit G Certification of No Conflict of Interest
  • Exhibit H Certification of Compliance with Wage Payment Statutes
  • Exhibit I Independent Contractor Certification
  • Exhibit J Non-Collusion Certification

REQUIRED STAFFING

9
Project ManagerField SupervisorDive SupervisorCommercial DiverAquatic TechnicianHerbicide ApplicatorBoat OperatorGIS SpecialistAdministrative Support
Submit to
GHC Noxious Weed Coordinator, PO BOX 3018, ELMA, WA 98541
Duration
41 months
Scope location
Grays Harbor County, WA

Questions about this RFP

How do I respond to this RFP from Grays Harbor County?

Review the full solicitation document for submission requirements, evaluation criteria, and deadlines. The submission deadline is July 9, 2026. The solicitation specifies required deliverables that must be addressed in your response. Be sure to include all required attachments as outlined in the solicitation. Submissions should be delivered to: GHC Noxious Weed Coordinator, PO BOX 3018, ELMA, WA 98541. For questions, contact Danika Davis.

Can small businesses or minority-owned firms bid on this RFP?

Most government agencies, including Grays Harbor County in WA, encourage participation from small businesses, minority-owned, women-owned, and disadvantaged business enterprises (MBE/WBE/DBE). Check the full solicitation for any small business participation goals.

What happens after the RFP submission deadline?

After the deadline, the issuing agency reviews all submissions against the stated evaluation criteria. This typically includes a compliance check, technical evaluation, cost analysis, and may involve oral presentations with shortlisted vendors.

Can I ask questions about this solicitation before submitting?

Yes, most solicitations allow vendors to submit questions during a designated period. The primary contact is Danika Davis at (360) 482-2265. Questions and answers are typically shared with all prospective bidders.

What staffing is required for this project?

This solicitation outlines specific staffing requirements. The required roles include: Project Manager, Field Supervisor, Dive Supervisor, Commercial Diver, Aquatic Technician, Herbicide Applicator, Boat Operator, GIS Specialist, Administrative Support. Proposers should demonstrate relevant qualifications and experience for each required role.

What are the key deliverables?

The solicitation specifies the following deliverables: Annual Work Plan, Pre-Treatment Survey and Mapping Report, Monthly Progress Reports, Treatment Data Package, Annual Performance Report, Year 3 Evaluation Report, Final Project Report. Proposals should clearly address how each deliverable will be met.

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What are the evaluation criteria for this solicitation?

This solicitation includes specific evaluation criteria that will be used to score proposals. The criteria include: "Firm information (5 pts), Firm references (15 pts), Firm qualifications regarding Noxious Weed Control (35 pts), Proposed approach and methodology (25 pts), Data collection and mapping sample (10 pts)..." Vendors should carefully align their proposals with each criterion to maximize their score.

Where can I find more RFPs from Grays Harbor County?

All active and historical solicitations from Grays Harbor County are tracked and searchable. As a county agency, Grays Harbor County regularly publishes solicitations. Visit the agency profile to see current open bids, past contracts, vendor relationships, and decision-maker contacts.

What is the contract term for this solicitation?

The anticipated contract term is 4 years. Contract terms may include renewal options.

What documents are required to bid on this RFP?

Requirements vary by solicitation, but common documents include a technical proposal, cost/price proposal, proof of insurance, relevant certifications, past performance references, and any forms specified in the solicitation. This solicitation specifically requires the following attachments: Exhibit A Scope of Work, Exhibit B Cost Proposal, Exhibit C Proposal Certification, Exhibit D Exceptions and Assumptions, Exhibit E Contractor References Form, Exhibit G Certification of No Conflict o. Additionally, proposals should address staffing requirements as outlined in the solicitation. Review the full document from Grays Harbor County for the complete list.

What is the scope of this project?

This solicitation defines a specific project scope. The scope covers the following locations: Grays Harbor County, WA. Review the full solicitation for detailed scope requirements.

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