A municipal separate storm sewer system, or MS4, is a conveyance or system of conveyances (roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches, man-made channels, storm drains, etc.) that is also:
- Owned or operated by a public entity (which can include cities, townships, counties, military bases, hospitals, prison complexes, highway departments, universities, etc.) having jurisdiction over disposal of sewage, industrial wastes, stormwater or other wastes. This includes special districts under state law, such as a sewer district; flood control district, drainage districts or similar entity; an Indian tribe or an authorized Indian tribal organization; or a designated and approved management agency under section 208 of the Clean Water Act that discharges to waters of the United States.
- Designed or used for collecting or conveying stormwater
- Not a combined sewer
- Not part of a publicly-owned treatment works
The following document is a list containing Missouri's Regulated Municipal Separate Storm Sewer Systems (MS4s).
Contact Information
Water Protection Program
Address
Division of Environmental Quality
P.O. Box 176
Jefferson City, MO 65102-0176
United States
Email
