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Water Quality Program

CiticoCreekH2OshedsignThe Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources issued the City of Chattanooga a National Pollutant Discharge Elimination System (NPDES) Permit for the discharge of stormwater from the municipal storm drain system (MS4). Stormwater from the City discharges directly to the Tennessee River and to major creeks that ultimately drain to the Tennessee River. 

Chattanooga's current NPDES Permit was issued November 12, 2010 (effective December 1, 2010) and will expire November 30, 2015. 


Chattanooga GIS Map

Water Quality Fee Information

  Baylor at Carver Rec  9-27-12 30-linkpic

          Public Education & Outreach

Properly Functioning Retention Pond

Stormwater Control Structures

1940 Central Av-1

Illicit Discharge Detection and Elimination

Improperly stored Industrial Materials

Industrial Monitoring

 Active Construction Site

Land Development

Stream Restoration Segemnt

Watershed Planning & Restoration

Rain Gauge & Automatic Sampler

Monitoring Program Elements

Mountain Creek


Rain Garden  Pervious Concrete-linkpic 

Green Infrastructure

Stormwater Design Criteria for New and Redevelopment 

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Proposed Guidelines- Resource Rain (effective December 2014)


The City's NPDES MS4 permit mandates the implementation of specific jurisdiction-wide management programs to control stormwater discharges to the "maximum extent practicable". Overall, the development and implementation of these programs have worked to reduce and minimize pollutants from entering streams from the MS4 drainage system. The NPDES Permit requires an annual system-wide report on the progress of Permit items. The Water Quality Program regurlarly maintains records of these Performance Measures.

In June 2012, the Water Quality Program implemented an Enforcement Response Plan, which serves to establish methods for controlling the introduction of pollutants into the regulated municipal separate storm sewer system (MS4). The objectives of the ERP are:

  • To regulate the contribution of pollutants into the regulated MS4 and community waters
  • To prohibit illicit connections and discharges to the regulated MS4 and community waters
  • To establish legal authority to carry out all inspection, surveillance and enforcement procedures necessary to ensure compliance with this document



Mission: To achieve 100% compliance with applicable Federal and State clean water laws and regulations, and to maintain and improve the condition and flow of the storm water infrastructure to address any existing or anticipated problem areas.





To preserve and enhance the quality of the physical environment and infrastructure through prompt, cost effective and courteous delivery of services which protect the health, safety and welfare of citizens.

Lee Norris, Administrator
Department of Public Works

1250 Market Street
Chattanooga TN 37402 (map)
(423) 643-6000

Photo by Phillip Stevens and Matt Lea