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Trinity County board orders quick study of alternative septic rules after contractors, residents press for options

Trinity County Board of Supervisors · March 17, 2026
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Supervisors asked staff to investigate adopting a Local Area Management Plan (LAMP) to allow alternate septic systems after Environmental Health outlined technical limits for on-site sewage and contractors and residents warned failing systems prevent development. Staff will report timing and cost estimates back to the board.

Trinity County supervisors on March 17 directed county staff to study whether the county can pursue a Local Area Management Plan (LAMP) that would permit alternative on-site wastewater technologies in areas where conventional septic systems cannot meet state setbacks, percolation, or groundwater separation rules.

Environmental Health Director Christy Anderson told the board that Trinity County currently regulates septic systems under the North Coast Regional Water Quality Control Board’s on-site policy and is effectively operating at “tier one,” which limits county-approved systems to standard septic and leach-field designs. Anderson said a LAMP would allow the county to approve “tier 2” alternatives — advanced treatment and monitored systems — but requires a formal agreement with the regional…

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