Bolthole Index county-legal census · checked 2026-08-08
Septic permitting in Tennessee is state-run, administered by state agencies across all 95 counties.Every entry below names the approving authority for that county, cited to the authority’s own page.
Septic rules change and some cities run their own programs — treat this as a verified starting point, not legal advice. All states → Tennessee water rights & wells → Full Tennessee profile →
95 counties · state agency · permit status scouted for 62
Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment & Conservation (TDEC), Division of Water Resources - Subsurface Sewage Disposal Systems
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC) - Division of Water Resources, Subsurface Sewage Disposal
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC) - Division of Water Resources, Subsurface Sewage Disposal
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Blount County Department of Environmental Health
Blount County Environmental Health ↗Tennessee Department of Environment and Conservation (TDEC)
Bradley County Building Inspections ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Dept of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Subsurface Sewage Disposal Systems program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC)
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC) Subsurface Sewage Disposal Systems Program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC) - Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC) - Division of Water Resources
Cocke County Zoning Department ↗Tennessee Department of Environment and Conservation (TDEC), Subsurface Sewage Disposal System program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC)
Cumberland County Codes Department ↗Metro Public Health Department, Septic and Sewage Disposal Systems Division
Nashville.gov - Septic and Sewage Disposal Systems ↗Tennessee Department of Environment and Conservation (TDEC) - Subsurface Sewage Disposal System Program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC)
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC) - Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
Fayette County TN - Planning and Development (refers to TDEC) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC)
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Subsurface Sewage Disposal Program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Subsurface Sewage Disposal Program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Subsurface Sewage Disposal Systems program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources - Subsurface Sewage Disposal System Program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC)
Hamblen County Government - Septic ↗Hamilton County Groundwater Protection / Health Department (contract county under TDEC)
Hamilton County TN - Septic Information and Forms ↗Tennessee Department of Environment and Conservation (TDEC), Subsurface Sewage Disposal System Program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources - Subsurface Sewage Disposal Systems
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources - Subsurface Sewage Disposal
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC)
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Subsurface Sewage Disposal Program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC)
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC) - Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗TDEC, Division of Water Resources (Subsurface Sewage Disposal Program)
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation, Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC) / local Environmental Health (Health Department)
Jefferson County TN Building Department ↗Tennessee Department of Environment and Conservation (TDEC), Johnson City Environmental Field Office
Johnson County TN - Newcomer Information ↗Knox County Health Department - Environmental Health / Groundwater Protection
Knox County Health Department - Groundwater Protection ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC) - Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC) - Subsurface Sewage Disposal System Program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), administered via Lincoln County Health Department
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
Loudon County Planning & Codes Enforcement (Septic Contact) ↗Tennessee Department of Environment and Conservation (TDEC), Subsurface Sewage Disposal Program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC); Madison County Health Department serves as the local septic/environmental health authority
Madison County TN - Required Permits & Inspections ↗Tennessee Department of Environment and Conservation (TDEC) - Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Dept. of Environment and Conservation (TDEC) Subsurface Sewage Disposal System program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment & Conservation (TDEC)
Maury County Building & Zoning Office ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources - Subsurface Sewage Disposal Program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC) Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Dept. of Environment & Conservation (TDEC), Division of Water Resources
Meigs County, TN - Septic Permit (directs to TDEC DWR) ↗Tennessee Dept of Environment & Conservation (TDEC) Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC)
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources - SSDS
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC)
Overton County, TN - Permits & Zoning ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
Tennessee Department of Environment and Conservation - Subsurface Sewage Disposal System (SSDS) Permits ↗Tennessee Dept. of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee TDEC - Subsurface Sewage Disposal System (SSDS) program
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources - Subsurface Sewage Disposal
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Subsurface Sewage Disposal Systems
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC)
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Dept of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Sevier County Health Department, Division of Environmental Health
Sevier County Environmental Health ↗Shelby County Health Department, Water Quality & Septic Tank Program
Shelby County Health Department - Septic Tank Permitting Process ↗Tennessee Department of Environment and Conservation (TDEC)
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC) - Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment & Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC)
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Dept. of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Dept of Environment and Conservation (TDEC) - Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC)
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources - Subsurface Sewage Disposal System (SSDS) permits
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC) - Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources - Subsurface Sewage Disposal
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Williamson County (contract county for SSDS under TDEC)
Williamson County - Sewage Disposal ↗Tennessee Department of Environment and Conservation (TDEC)
TDEC - Subsurface Sewage Disposal Systems (SSDS) ↗Every county here has a full profile — its index score, water, land prices, and the rest of its building rules. See the Tennessee state page for all counties ranked, or the national septic guide.
General guidance, not legal advice. Off-grid, building, and land-use rules are often set at the county level and change often. Verify with your county and state before acting. Data reviewed 2026-06-26.