Laserfiche WebLink
Coverage issued: October 28, 2021 <br />Permit expires: November 15, 2025 <br />MS400047 <br />Page 3 of 28 <br />1.1 <br />Eligibility. [Minn. R. 7090] <br />1.2 <br />To be eligible for authorization to discharge stormwater under the Small Municipal Separate Storm Sewer Systems <br />General Permit (General Permit), the applicant must be an owner and/or operator (owner/operator) of a small <br />Municipal Separate Storm Sewer System (MS4) and meet one or more of the criteria requiring permit issuance as <br />specified in Minn. R. 7090.1010. [Minn. R. 7090.1010] <br />2.1 <br />Authorized Stormwater Discharges. [Minn. R. 7090] <br />2.2 <br />The General Permit authorizes stormwater discharges from small MS4s as defined in 40 CFR 122.26(b)(16). [Minn. R. 7090] <br />3.1 <br />Authorized Non-Stormwater Discharges. [Minn. R. 7090] <br />3.2 <br />The following categories of non-stormwater discharges or flows are authorized under the General Permit to enter the <br />permittee's small MS4 only if the permittee does not identify them as significant contributors of pollutants (i.e., illicit <br />discharges), in which case the discharges or flows must be addressed in the permittee's Stormwater Pollution Prevention <br />Program (SWPPP): water line flushing, landscape irrigation, diverted stream flows, rising groundwaters, uncontaminated <br />groundwater infiltration (as defined at 40 CFR 35.2005(b)(20)), uncontaminated pumped groundwater, discharges from <br />potable water sources, foundation drains, air conditioning condensation, irrigation water, springs, water from crawl space <br />pumps, footing drains, lawn watering, individual residential car washing, flows from riparian habitats and wetlands, <br />dechlorinated swimming pool discharges, street wash water, and discharges or flows from firefighting activities. <br />[Minn. R. 7090] <br />4.1 <br />Limitations on Authorization. [Minn. R. 7090] <br />4.2 <br />The following discharges or activities are not authorized by the General Permit: <br />a. non-stormwater discharges, except those authorized by the permittee in item 3.2; <br />b. discharges of stormwater to the small MS4 from activities requiring a separate NPDES/SDS permit. The General Permit <br />does not replace or satisfy any other permitting requirements; <br />c. the General Permit does not replace or satisfy any environmental review requirements, including those under the <br />Minnesota Environmental Policy Act (Minn. Stat. 116D), or the National Environmental Policy Act (42 U.S.C. 4321 et sec.); <br />d. the General Permit does not replace or satisfy any review requirements for endangered or threatened species, from <br />new or expanded discharges that adversely impact or contribute to adverse impacts on a listed endangered or threatened <br />species, or adversely modify a designated critical habitat; <br />e. the General Permit does not replace or satisfy any review requirements for historic places or archeological sites, from <br />new or expanded discharges which adversely affect properties listed or eligible for listing in the National Register of <br />Historic Places or affecting known or discovered archeological sites; and <br />f. discharges to prohibited outstanding resource value waters pursuant to Minn. R. 7050.0335, subp. 3. <br />Only the permittee's small MS4 and the portions of the storm sewer system that are under the permittee's operational <br />control are authorized by the General Permit. [Minn. R. 7090] <br />5.1 <br />Permit Authorization. [Minn. R. 7001] <br />5.2 <br />The applicant must submit a complete application in accordance with Sections 9 through 12 in order to obtain authorization <br />to discharge stormwater from a small MS4 under the General Permit. [Minn. R. 7001] <br />5.3 <br />The Commissioner reviews the General Permit application for completeness. After review, the Commissioner will do one of <br />the following: <br />a. if an application is determined to be incomplete, the Commissioner will notify the applicant in writing, indicate why the <br />application is incomplete, and request that the applicant resubmit the application; or <br />b. if an application is determined to be complete, the Commissioner will make a preliminary determination as to whether <br />coverage under the General Permit should be issued or denied in accordance with Minn. R. 7001. [Minn. R. 7001] <br />5.4 <br />The Commissioner provides a public notice with the opportunity for a hearing on the preliminary determination to issue <br />coverage under the General Permit. [Minn. R. 7001] <br />5.5 <br />Upon receipt of written notification of final approval of the application from the Commissioner, the applicant is authorized <br />to discharge stormwater from the small MS4 under the terms and conditions of the General Permit. [Minn. R. 7001] <br />