On-site Wastewater Treatment Systems

San Juan Basin Public Health is the regulatory authority for on-site wastewater treatment system (OWTS) permitting in La Plata, Archuleta, and San Juan Counties.

SJBPH is currently working to update and revise the On-site Wastewater Treatment System (OWTS), also known as septic system regulations. Community members are encouraged to continue to be involved. You can provide your comments via email or call (970) 335-2052 and provide feedback.


Septic System Services


EH Main Line | 970 335 2052

OWTS Regulations

Current copy of the OWTS regulations.

Environmental Health Fee Schedule

Current fee schedule for sanitation and consumer protection services.

The Numbers

on-site wastewater treatment system permits issued last year