What is an MS4 system?
• A municipal separate storm sewer system means a conveyance or system of conveyances (including roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches, man-made channels, or storm drains): owned or operated by a” …”County”…”or other public body, including special districts such as a flood control district”…”designed or used for collecting or conveying storm water and which is not a combined sewer and which is not part of a Publicly Owned Treatment Works (POTW). The County’s MS4 system consists mainly of flood control conveyances, drainage ditches, catch basins, storm drains, County owned streets, curbs and gutters.
