Onsite Wastewater Treatment Systems (Septic Systems)
Regulation and permitting of Onsite Wastewater Treatment Systems (OWTS) is managed jointly by Gilpin County Community Development and Gilpin County Public Health.
Use Permits for Title Transfer
If you are selling a property with a home in unincorporated Gilpin County, you must have the property's septic system inspected and obtain a Use Permit prior to going under contract. Use Permits are valid for 6 months. Failure to obtain a Use Permit can subject you to a daily accruing penalties under Colorado law.
OWTS Regulations and Fees
The use and construction of private wells is regulated by the State of Colorado Division of Water Resources. To apply for construction of a well, locate permitted well records, and to view the state's well permit map click below:
Forms and Applications
Use Permit Program FAQs (NOTE: USE PERMITS TAKE TEN BUSINESS DAYS TO PROCESS)