New onsite wastewater treatment system regulations go into effect May 28

The Garfield County Board of Health has adopted new onsite wastewater treatment system (OWTS) regulations, which go into effect on May 28, 2026. At that time, all new, repaired, or altered wastewater treatment systems are subject to the new regulation. A summary of changes to the existing regulation and a copy of the new regulation can be obtained on the Garfield County OWTS webpage. The process for shaping the new local regulation began in August 2025, with multiple levels of review, including local stakeholder feedback from the OWTS community. “We are grateful for the involvement of the regulated community,” said












