MS4 definition

MS4 means municipal separate storm sewer system which 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) that are:
MS4 means "municipal separate storm sewer system" and is used to refer to a Large, Medium, or Small Municipal Separate Storm Sewer System. The term, as used within the context of this permit, refers to small MS4s (see definition below) and includes systems operated by a variety of public entities (e.g., military facilities, prisons, and systems operated by other levels of government).

Examples of MS4 in a sentence

  • As the Principal Permittee, the District represents and acts on behalf of the 16 cities and the County to implement area-wide programs required by the MS4 Permit.

  • The MS4 Permit requires that TMDL requirements be integrated into applicable Stormwater Program activities, including stormwater management and monitoring plans.

  • In April 2002, the Santa Xxx Regional Water Quality Control Board (Regional Board) adopted a National Pollution Discharge Elimination System (NPDES) Municipal Stormwater Permit (MS4 Permit) for stormwater discharges from areas in unincorporated San Bernardino County and from the Cities of Big Bear Lake, Chino, Chino Hills, Colton, Fontana, Grand Terrace, Highland, Loma Xxxxx, Montclair, Ontario, Rancho Cucamonga, Redlands, Rialto, San Bernardino, Upland, and Yucaipa.

  • This coordination agreement describes activities of ERSM, a relevant Municipality of Anchorage (MOA) organization, as required in the Permit ERSM will name a point of contact as the ERSM MS4 Permit Lead/Liaison.

  • The District was designated as the Principal Permittee under the MS4 Permit due to its extensive and cross-jurisdictional drainage facilities.


More Definitions of MS4

MS4 means a municipal separate stormwater sewer system. A system of conveyances (including streets, curbs, gutters, catch basins, pipes and ditches) owned or operated by a city or other public entity, that is used for collecting or conveying stormwater (excluding combined sewers).
MS4 means "municipal separate storm sewer system" and is used to refer to a Large, Medium, or Small Municipal Separate Storm Sewer System regulated under the federal NPDES permit program. The term, as used within the context of this permit, refers to separate storm sewer system owned or operated within the permit area by JBLM. See “municipal separate storm sewer” below and definitions at 40 CFR 122.26(b)(18), (19)
MS4 means a municipal separate storm sewer system as defined in 9VAC25-870-10.
MS4 means the Municipal Separate Storm Sewer System that is the subject of the MS4 Individual Permit, which consists of conveyances (including roads with drainage systems, municipal streets, catch basins, inlets, curbs, gutters, ditches, and storm drains) designed to collect, convey, and directly discharge storm water to receiving waters.
MS4 means Municipal Separate Storm Sewer System “MUA” means Municipal Utilities Authority
MS4 means Municipal Separate Storm Sewer System, or conveyance or system of conveyances (including roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches, man-made channels, or storm drains), which is (a) owned or operated by a state, city, town, borough, township, county, district, association or other public body (created under state law) having jurisdiction over disposal of sewage, industrial wastes, stormwater or other wastes; (b) designed or used for collecting or conveying stormwater; (c) not a combined sewer; and (d) not part of a publicly owned treatment works as defined at 40 CFR § 122.2.