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Awarded contract·Yellowstone County·Montana

Yellowstone County MS4 Permit Compliance Assistance

$750kSingle Award
Contract source

Description

This RFP seeks a professional‑services consultant to update Yellowstone County’s MS4 Storm‑Water Management Program (SWMP) for the 2022‑2027 General Permit period, covering public outreach, illicit discharge detection, construction site review, maintenance operations, GIS mapping, regulatory drafting, and web‑based public‑facing tools. The work includes reviewing existing documentation, producing updated program documents, creating GIS outfall inventories, drafting ordinances and procedures, and delivering a draft study by July 31 2026 with final priority work completed by August 28 2026. The County will evaluate proposals on qualifications, staff expertise, methodology, and resources, and may interview up to three firms. The contract will be a fixed‑price professional services agreement with a 90‑day irrevocability period for offers. • Scope: Update SWMP, develop MCMs, GIS mapping, ordinance drafting, public‑website content, and staff training. • Timeline: Intent‑to‑Respond by May 8 2026, proposal submission by May 29 2026, draft study July 31 2026, final priority deliverables August 28 2026. • Evaluation: 100‑point rubric emphasizing methodology (40 points) and past experience (40 points total for firm and staff).

Attached files

Key dates

Duration
4 months

Last updated

Details

Award type
Single Award
Procurement
Full and Open Competition
Industry
Environmental Services
NAICS
541620

Contract value

$750,000

The RFP does not disclose a budget. Comparable MS4 compliance assistance contracts for similar-sized counties typically range from $400,000 to $1,200,000, depending on scope breadth (GIS mapping, ordinance drafting, public outreach, and deliverable timelines). Given the extensive deliverables (full program update, multiple Minimum Control Measures, GIS data, website content, and a draft study), a mid‑range estimate of roughly $750,000 seems reasonable. This estimate assumes a fixed‑price contract covering all professional‑service hours, travel, and subcontracting for specialized GIS work.

AI estimate from the award documents

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