Septic permits in Knox County, TN
The rules, the agency, and what happens before anyone can dig.
Requirements
Knox County runs its own program through the Knox County Health Department, Groundwater Protection Division, 140 Dameron Avenue, Knoxville, phone 865-215-5200, option 1.
Published fees: installation permit and drain field layout $200, repair permit no cost, lot evaluation $40, septic verification letter $200, certification of an existing system $100.
You need a high intensity soil map from a private soil consultant and a site plan before the county will evaluate a lot or issue a permit. A septic permit must be in hand before the county issues a building permit for a new home. Records for existing systems can be searched online through the county's file search.
Source: www.knoxcounty.org . Rules change; confirm with the agency before starting work.
These are the county-level specifics. For the full permit process, soil-test rules, and installer licensing that apply across the state, see the Tennessee septic permit guide.
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