Wastewater Treatment

Beginning May 20, 2020 OWTS Applications must be submitted electronically via the Permit Application & Tracking System. 

If you have not set up your SagesGov account and requested your existing projects be linked to it, you will not be able to view those applications within SagesGov. Please email EHpermitsetup@pitkincounty.com upon creation of your SagesGov account so that staff may complete permit setup.

PATS - Permit Application & Tracking System

Onsite Wastewater Treatment System (OWTS)
An onsite wastewater treatment system (OWTS) is a system for collecting, treating, and dispersing wastewater that is not connected to a central wastewater treatment works.

OWTS Resources

The 2018 OWTS Regulations go into effect December 16, 2018

Permitting & Licensing
OWTS Construction Permit
An OWTS Construction Permit is required for all new construction, as well as the installation, alteration (including expansion), repair, or replacement of an OWTS.

OWTS Construction Resources

OWTS Use Permit
An OWTS Use Permit is required prior to the sale of a property served by one or more OWTSs and prior to issuance of a building permit (exceeding $30,000 in valuation) for a property already served by one or more OWTSs.

OWTS Use Permit Resources

OWTS Contractor, Cleaner & Inspector Licensing


Systems contractors, cleaners, and inspectors must be licensed in Pitkin County. All licenses will be good for one year, expiring on December 31. In order to receive a license for Systems Contractor and Cleaners, the applicant must pass a test (to be taken every 3 years), provide evidence of appropriate credential, such as NEHA's Certified Installer, or be currently licensed in Eagle County. Systems inspectors must provide evidence of appropriate credentials, such as the NAWT Inspector Credential. System designers are not licensed through Pitkin County.

An affidavit verifying your lawful presence in the United States must be submitted with all license applications. A driver's license must be either presented in person, or the affidavit must be notarized if applying by mail.

Applications are submitted via PATS - Permit Application & Tracking System.

OWTS Licensing Resources