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City staff brief council on new MS4 stormwater permit, deadlines and program requirements
Summary
Staff summarized the state/federal MS4 stormwater permit requirements, upcoming application deadlines, the six minimum control measures, annual reporting and recordkeeping timelines, and compliance tasks for South Beloit.
South Beloit — City staff gave a detailed presentation Sept. 2 on the Municipal Separate Storm Sewer System (MS4) program and a recently issued permit that imposes new or stricter municipal stormwater requirements.
Brandon (staff) told the council the MS4 program is administered under the federal Clean Water Act and enforced through state permits; South Beloit is classified as a small MS4 and must meet six minimum control measures: public education and outreach; public participation; illicit-discharge detection and elimination; construction site runoff control; post-construction runoff control; and pollution prevention/good housekeeping for municipal operations. “Basically, our permit is going to get more and more strict each time it gets renewed,” the presenter summarized.
Nut graf: The city’s renewed MS4 permit (issued July 8 and effective Aug. 1) tightens requirements; staff must apply for program coverage within 90 days and will face annual reporting and multi-year recordkeeping obligations.
Staff explained the permit issued July 8 is effective Aug. 1, 2025, and runs through July 30, 2030. The city has 90 days from issuance to apply for coverage. Measurable goals for compliance include distributing educational materials, holding annual public meetings, updating the city’s storm sewer maps and uploading them to WinGIS, documenting dry-weather outfall screenings, inspecting construction sites and enforcing erosion‑control measures, requiring long-term operation and maintenance plans for post-construction stormwater controls, and keeping records for five years. The city must submit annual reports by June 1 documenting how the measurable goals were achieved; reporting covers March 1–March 1 each year.
Staff emphasized practical steps already underway: updating the stormwater page on the city website, routine construction inspections, and documenting illicit-discharge responses. Staff urged the public and council to report suspected stormwater problems to city staff for follow up.
Ending: Staff will prepare the city’s application for the new MS4 permit and return to the council with any ordinance or program changes needed to meet the permit’s measurable goals and reporting schedule.
