Environmental Rules in Chattanooga, TN (2026)
4 verified environmental rules for Chattanooga, Tennessee, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Chattanooga enforces stormwater controls under the Water Quality Ordinance to protect the Tennessee River and tributaries. New construction over one acre triggers permit, BMP, and post-construction runoff treatment requirements citywide.
Stormwater Runoff Rules Near Tennessee River
Heavy RestrictionsErosion Control
Construction on Chattanooga ridgelines and Lookout Mountain foothills must install silt fence, stabilized entrances, and inlet protection before clearing. The Land Development Office inspects sites weekly and after every half-inch rainfall event.
Erosion And Sediment Control On Steep Slopes
Heavy RestrictionsFlood Zones
Chattanooga participates in FEMA's National Flood Insurance Program. The city faces flood risk from the Tennessee River, Chickamauga Creek, and tributaries running through its valleys.
Chattanooga Flood Zone Regulations
Heavy RestrictionsGrading & Drainage
Any cut or fill exceeding limits set in the Chattanooga Land Development regulations requires a grading permit. Drainage plans must show flow paths, easements, and protection of downstream Tennessee River tributaries.