Get Full Government Meeting Transcripts, Videos, & Alerts Forever!
Groundwater, leachate and well‑monitoring highlighted in Coffin Butte expansion review
Summary
County staff and hydrogeology consultants told the board the expansion will require preconstruction baseline groundwater monitoring (two years), permits from DOGAMI/DEQ and ongoing sampling; the applicant agreed to baseline sampling and to offer testing of nearby domestic wells.
Groundwater and leachate concerns were a major topic on Oct. 22 as Benton County staff and applicant consultants described proposed preconstruction and ongoing conditions intended to protect wells and springs near the Coffin Butte expansion area.
County staff and Republic Services’ hydrogeology consultants described a phased approach that begins with two years of baseline groundwater monitoring and chemical sampling before any ground‑disturbing activity in the expansion cell. Staff said that baseline data are necessary to evaluate any future change in groundwater levels or chemistry and would form the basis for enforcement if impacts occurred during construction or operations. The staff report and conditions require…
Already have an account? Log in
Subscribe to keep reading
Unlock the rest of this article — and every article on Citizen Portal.
- Unlimited articles
- AI-powered breakdowns of topics, speakers, decisions, and budgets
- Instant alerts when your location has a new meeting
- Follow topics and more locations
- 1,000 AI Insights / month, plus AI Chat
