Online Payments
On-Site Sewage Treatment Systems
PAY ONLINE! – IT’S EASY AND IT’S FAST!
Pay online for on-site sewage authorizations/permits to construct, soil tests, existing system evaluations, and well evaluations quickly and easily, 24-hours a day.
All request for services must contain your “Section, Township, and Range”. This information may be obtained from the deed or county assessor’s office.
For more information about on-site sewage treatment systems, commonly referred to as septic systems, visit our On-Site Sewage Treatment Information page.
Notice: Fee Changes Effective July 1, 2026
Effective July 1, 2026, fees for this program will increase in accordance with the annual Consumer Price Index (CPI) adjustment. Applications submitted on or after this date will be subject to the new fee schedule.
Request for Services
Soil Test
Well Evaluation
Existing System Evaluation
Authorization to Construct (ATC)
Modification of Existing
New Installation
Alternative System Review
If you are having trouble accessing or using our online applications, please refer to the Online Payment Troubleshooting page for support.
- Refunds will not be given for requests in which services have been provided (i.e., authorizations that have been issued, or soil tests that have been completed).
- For requests that are less than 30 days old and services have not been provided, a written request must be submitted in order to receive a refund. If a refund is issued, DEQ will retain 15% of the total amount to cover administrative costs.
The entire on-site sewage rule may be found at: 252:641 Individual and Small Public Onsite Sewage Treatment Systems
