MS4 definition

MS4 means a municipal separate storm sewer system.

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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

An MS4 is a system of conveyances used to collect and/or convey storm water, including, without limitation, catch basins, curbs, gutters, ditches, man-made channels, and storm drains.
Design Professional understands that while the City will be reviewing Design Professional ’s designs for storm water permit compliance prior to acceptance of Design Professional ’s designs, Design Professional understands and agrees that the City’s Storm Water review process and its acceptance of Design Professional ’s designs in no way limits the Design Professional ’s obligations under this agreement to prepare designs that comply with all requirements of the San Diego Municipal Code and MS4 Permit.
Describe the need for Municipal Separate Storm Sewer System (MS4) notification.
The County of Orange is subject to two Municipal National Pollutant Discharge Elimination System (NPDES) Permits which authorize the discharge of stormwater from its municipal separate storm sewer system (MS4).
The Owner shall, at its sole cost and expense, inspect the Stormwater Facilities and submit an inspection report and certification to the MS4 annually.

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 the municipal separate storm water system.

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 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.