5 county-level rules, plus city-specific rules for 1 city in Sumner County, Tennessee.
Verified from official government sources
Land disturbance of one acre or more in Tennessee needs a TDEC construction stormwater permit before work starts. Sumner County and its MS4 cities add local stormwater review to protect Old Hickory Lake.
TDEC NPDES Construction General Permit TNR100000
Projects or developments of less than one acre of land disturbance are required to obtain authorization under this permit if the construction activities at the site are part of a larger common plan of development or sale that comprise at least one acre of land disturbance.
Tennessee ties erosion control to its construction stormwater permit. A site disturbing one acre or more must keep sediment on-site under a stormwater pollution prevention plan enforced by TDEC.
TDEC NPDES Construction General Permit TNR100000
The SWPPP must be implemented prior to commencement of construction activities.
Tennessee is landlocked, so no coastal law applies. Building near Old Hickory Lake, the Cumberland River, or its creeks triggers floodplain rules and federal Army Corps of Engineers permits.
Sumner County enforces FEMA floodplain standards through its flood damage prevention provisions. A development permit is required before building or filling in a mapped special flood hazard area.
Sumner County Flood Damage Prevention Provisions, Art. X, § 3.3
A development permit shall be required in conformity with this article prior to the commencement of any development activities.
Tennessee has no statewide grading permit. Earthwork disturbing one acre or more triggers a TDEC construction stormwater permit, and Sumner County reviews grading and drainage under its local rules.
TDEC NPDES Construction General Permit TNR100000
Submitting a complete NOI, a SWPPP and an appropriate permitting application fee are required to obtain coverage under this general permit.
1 cities in Sumner County have their own environmental rules rules. Each link goes to that city's dedicated page with code citations.
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