Johnson County Septic System Permitting
The Wyoming Department of Envrionmental Quality delegated the authority and responsibility to enforce and administer the provisions of W.S. 35-11-304 for small wastewater treatment facilities to Johnson County.
Septic Permits are required prior to construction of all small wastewater treatment facilities. This includes new installations as well as replacement and/or modifications.
Johnson County requires a registered licensed engineer design all septic systems. A septic acknowledgement is required in addition to all design applications.
For information on Permitting Requirements contact the
County Sanitarian at the:
26 N DeSmet Ave
Buffalo, WY 82834
OR call 307-684-1907.
All applications and forms shall be submitted to the Planning Department prior to issuance of a Septic Permit. Missing or incomplete applications will be returned.
- Septic Acknowledgement
- New Application as of 4/1/2018 Johnson County Septic Application
- Percolation Test Procedures
- Certificate of Completion
A certificate of Completion is only required when inspection has not be completed. Inspections are required to be arranged 24 hours prior to backfilling.