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Medium and Large MS4 Status

There are almost 1,000 medium and large MS4 operators permitted, or in the final stages of being permitted, under the NPDES Stormwater Program. Slightly over half of these permittees were designated into the program by NPDES permitting authorities.

The following links provide information on the permitted medium and large MS4s, as well as examples of issued MS4 permits.

List of permitted medium and large MS4s

Corpus Christi , Texas, MS4 Permit and Fact Sheet

  • Permit

  • Fact Sheet

  • Oklahoma City, Oklahoma, MS4 Permit and Fact Sheet

  • Permit

  • Fact Sheet

  • Saratoga County, Florida, MS4 Permit and Fact Sheet

  • Permit

  • Permit Cover

  • Factsheet

  • Tulsa, Oklahoma, MS4 Permit Summary and Fact Sheet

  • Permit

  • Permit Highlights

  • Permit Summary

  • RTC

  • Fact Sheet

  • MS4 Permit Summaries for:

  • Baltimore, Maryland

  • Anne Arundel County, Maryland

  • Prince George's County, Maryland

  • Charlotte, North Carolina

  • National Pollutant Discharge Elimination System Home

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    Last updated on May 12, 2008 4:26 PM
    URL:http://cfpub.epa.gov/npdes/stormwater/stpermit.cfm