Weston County, WY septic permits and regulations

Septic systems in Weston County, Wyoming are permitted by Weston County Planning Department under Wyoming Water Quality Rules Chapter 25.

Septic permit program

  • Program type: Mixed
  • Authorized agent: Weston County County Health Department
  • Own septic program: No, uses Wyoming state rules
  • Local rules beyond the state: No
  • Population: 6,838

Permit fee comparison

Average septic permit fee in Weston 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 Weston 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

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Draw a permit-ready site plan for Weston County

Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Weston County Planning Department. See how SepticPro site plans work.

Other Wyoming counties

Data checked 2026-03-16. Always confirm requirements with Weston County Planning Department before applying.