New Systems or Changes to Existing Systems
Ensuring that systems located over the Spokane Valley-Rathdrum Prairie Aquifer are properly designed, installed, and maintained so they can effectively treat residential wastewater.
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Overview
Spokane Regional Health District (SRHD) tracks and issues permits for new on-site sewage systems and changes to existing systems designed for single-family homes, small businesses, and apartment buildings (systems less than 3,500 gallons per day). Fees vary based on the size and type of system.
Systems are:
- Reviewed for compliance with regulations
- Permitted
- Inspected after installation
Once installed, septic systems are issued renewable permits for one or three years, depending on the on-site septic system type. On-site sewage system inspection and maintenance is required prior to permit renewal.
Get a New Septic System Permitted, Make Changes to an Existing System, or Replace an Existing System
Learn about the sewage system permitting process by reviewing the On-Site Sewage System Application Packet, which includes the following:
- Application form
- A detailed overview of the on-site sewage system permitting process
- The Water Adequacy Information Guide
Drinking Water (Private Wells)
SRHD inspects a portion of new water wells constructed in Spokane County to ensure they meet construction standards as well as all decommissioned water wells in the county.
