What is a MS4?
“MS4” is an acronym for Municipal Storm Sewer System. MS4’s are systems of conveyances (including roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches, man-made channels or storm drains) owned or regulated by the city and designed or used for collecting or conveying stormwater.

Show All Answers

1. What is stormwater runoff?
2. Why are the stormwater and sanitary systems separate?
3. What is non-point source pollution?
4. What can residents do to help improve stormwater quality?
5. What is impervious surface?
6. What is a MS4?
7. What is an illicit discharge?