Division of Water Resources

TDEC is responsible for managing, protecting and enhancing the quality of the state's water resources through voluntary, regulatory and educational programs.


  • Water Quality

    Ensuring a safe water supply is essential for daily living. TDEC oversees the design, construction and operation of public works systems, certifies laboratories and water suppliers that conduct drinking water testing and conduct training and certify water supply system operators.

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  • Watershed Stewardship

    TDEC provides the technical basis for setting the state's water quality standards, developing the rules and guidance for implementing these standards and conducting permitting, compliance and enforcement programs to establish standards throughout the state.

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  • Septic & Decentralized Systems

    A septic system is a type of small-scale sewage treatment system common in areas with no connection to main sewage pipes provided by local governments or other entities.

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  • NetDMR and Electronic Reporting

    All Individual NPDES Permit holders will be required to submit Discharge Monitoring Reports (DMRs) electronically through netDMR prior to December 21, 2016. General Permit DMRs will be accepted in Phase 2 with a compliance date of December 2017.  The Division of Water Resources will update this page as needed with additional training opportunities and other information. -

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  • Drought Updates

    Tennessee is currently experiencing a drought. Through this site, we will provide current listings of water systems with their drought plans in process, along with links with more information to assist citizens during this this dry season.

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  • State Revolving Fund

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  • Fleming Training Center

    The Fleming Training Center provides Operator training and certification services throughout the state of Tennessee. This service is provided as a part of the Tennessee Department of Environment and Conservation's Division of Water Resources.

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  • Water Quality Reports & Publications

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  • Water Resources Data & Map Viewers

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  • Water Notices & Hearings

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  • Mining Information & Permits

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  • Memphis Sewer Spill

    On March 31, a 96-inch main sewer line into Memphis’ Maxson Wastewater Treatment Plant suffered a major failure and millions of gallons of untreated sewage began entering Cypress Creek and then into McKellar Lake. Since April 1, TDEC staff have been collecting water quality samples and working with local, state and federal officials to provide public information about the incident, including current lake conditions and public health advisories so citizens have the most current data and resources.

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