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

  • Major physical constraints will be included in the estimate such as (1) land acquisition, (2) street paving and traffic control, (3) utility relocation or protection, and (4) compliance with the current NPDES MS4 permit.

  • This project will ultimately improve water quality in Riverton Creek, Southgate Creek, Xxxxxxx Creek, and Xxxxxxx Creek, which all receive water from the city of Tukwila’s municipal separate stormwater system (MS4).


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 the Municipal Separate Storm Sewer System serving approximately two-thirds of the District, and comprised of 2 independent piping systems: one system for sewage from homes and businesses, and one system for stormwater.
MS4 means a municipal separate storm sewer system and is defined in rule 3745-39-01 of the Administrative Code.