Soil & Water Conservation District

Municipal Separate Storm Sewer System General Permit

MS4 is an acronym for municipal separate storm sewer system.

An MS4 as defined by the Indiana Department of Environmental Management is “a conveyance or system of conveyances owned by a state, city, town, or other public entity that discharges to waters of the United States and is designed or used for collecting or conveying stormwater. Regulated conveyance systems include roads with drains, municipal streets, catch basins, curbs, gutters, storm drains, piping, channels, ditches, tunnels, and conduits. It does not include combined sewer overflows and publicly owned treatment works”.

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Soil & Water Conservation District
10729 Randall Ave
Aurora, IN 47001
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  • Phone: (812) 926-2406 x 3
  • Fax: (855) 391-1912
  • Staff Directory
  • Office Hours:
    Monday - Friday 8:00am - 4:00pm
    Due to the nature of the work performed by the SWCD staff, occasionally there are times when no one will be in the office.
    Please call before making a special trip to the office.

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