Big Horn County, WY septic permits and regulations
Septic systems in Big Horn County, Wyoming are permitted by Big Horn County Planning and Zoning under Wyoming Water Quality Rules Chapter 25.
Septic permit program
- Program type: Mixed
- Authorized agent: Big Horn County County Health Department
- Own septic program: No, uses Wyoming state rules
- Local rules beyond the state: No
- Population: 11,521
Permit fee comparison
Average septic permit fee in Big Horn County: $225. Wyoming average: $225.
Local rules
County operates under state-level Chapter 11 (Small Wastewater Systems) of Wyoming DEQ Water Quality Rules. Contact local health department for any additional county-specific requirements.
What SepticPro has on file for Big Horn County
- 4 permit fees with sources
- The agency phone, email and office address
- Setback distances
- Soil and perc test requirements
- Allowed system types
- System design rules
- Inspection requirements
- Maintenance and pumping rules
- Point-of-sale rules
- Installer, designer and pumper licensing
Create a free account to see the full details.
Draw a permit-ready site plan for Big Horn County
Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Big Horn County Planning and Zoning. See how SepticPro site plans work.
Other Wyoming counties
- Albany County
- Campbell County
- Carbon County
- Converse County
- Crook County
- Fremont County
- Goshen County
- Hot Springs County
- Johnson County
- Laramie County
- Lincoln County
- Natrona County
- Niobrara County
- Park County
- Platte County
- Sheridan County
- Sublette County
- Sweetwater County
- Teton County
- Uinta County
- Washakie County
- Weston County
Data checked 2026-03-16. Always confirm requirements with Big Horn County Planning and Zoning before applying.