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  2. National Pollutant Discharge Elimination System (NPDES)

EPA’s Tier Three Waters for the Pesticide General Permit (PGP) (Outstanding National Resource Waters)

EPA’s list of tier three waters for the Pesticide General Permit (PGP) (Outstanding National Resource Waters).

  • Tier Three Waters for the Pesticide General Permit (PGP) (Outstanding National Resource Waters) (pdf) (158.61 KB)

National Pollutant Discharge Elimination System (NPDES)

  • About NPDES
    • Permit Basics
    • State Program Information
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  • All NPDES Program Areas
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    • Water Quality Trading
  • NPDES Technical Resources
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    • NPDES Permit Writers' Manual
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    • NPDES Applications and Forms
Contact Us About NPDES
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on September 19, 2024
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