The Clean Water Act First Adopted 1972 Clean Water Goals


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The Clean Water Act First Adopted 1972 Clean Water Goals:



How Do We Get There ??? Two Step Approach



Identifying Problem Areas



The TMDL Amount Of Pollution A Waterbody Can Receive Without Violating Water Quality Standards





Study Overviews





Bacterial Standards



Monitoring Sites



Monitoring Data

  • If more than 10% of data above the standards  Problem

  • North Canadian River (NC01)

    • FC – 33% exceed
    • E-Coli – 13% exceed
    • Enterococci – 94% exceed






Monitoring Data



Monitoring Data



Monitoring Data



Monitoring Data



Pollutant Sources

  • Point Sources

    • Permitted discharge - Watonga
    • No-discharge facilities – 6
    • CAFOs - 4


Pollutant Sources

  • Non-Point Sources



TMDL Development



Load Duration Curve

  • Step #1: Flow Duration Curve



Load Duration Curve



North Canadian River



North Canadian River

  • Enterococci - 89% Reduction



Shell Creek

  • Fecal Coliform - 92% Reduction



Study Overviews











Bacterial Standards













Implementation How Can We Get There ???



Implementation How Can We Get There ???



Implementation How Can We Get There ???



Implementation How Can We Get There ???



Implementation How Can We Get There ???



Stormwater Permits Within The Watershed









What Happens Next ?



How To Provide Comments



QUESTIONS



COMMENTS






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