2020 MS4 General Permit Section 14 Mapping

Section 14 Mapping

14.1

Mapping. [Minn. R. 7090]

14.2

New permittees must develop, and existing permittees must update, as necessary, a storm sewer system map that depicts the following:

a. the permittee's entire MS4 as a goal, but at a minimum, all pipes 12 inches or greater in diameter, including stormwater flow direction in those pipes;

b. outfalls, including a unique identification (ID) number assigned by the permittee, and an associated geographic coordinates;

c. structural stormwater BMPs that are part of the permittee's MS4; and

d. all receiving waters. [Minn. R. 7090]

Level 2 - Regulatory/Municipal (MS4)