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.
The Chattanooga Land Development Office administers the city Stormwater Regulations adopted under MS4 Phase I requirements. Sites disturbing one acre or more must submit a Stormwater Pollution Prevention Plan, install sediment controls, and provide permanent treatment such as bioretention, detention basins, or porous pavement. Direct discharges to the Tennessee River, South Chickamauga Creek, or Chattanooga Creek receive elevated scrutiny because these waters appear on the state 303(d) impaired list. Inspections occur during construction and again before final occupancy.
First-tier civil penalties run up to 10000 dollars per day per violation, plus stop-work orders, restoration costs, and potential referral to TDEC for state water quality enforcement.
Chattanooga, TN
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Chattanooga, TN
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Chattanooga, TN
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Chattanooga, TN
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Chattanooga, TN
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Chattanooga, TN
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See how Chattanooga's stormwater management rules stack up against other locations.
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