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Public works presents 2024 MS4 stormwater report; pond dredging and outfall inspections noted
Summary
Public works staff presented the village’s 2024 MS4 report covering street sweeping, leaf pickup, Nixon Pond dredging, outfall inspections and county-led outreach; the report documents inspections of catch basins, ponds and outfalls and includes a large appendix of maps and tonnage/collection figures.
Tom (staff) presented the Village of Hartland’s 2024 Municipal Separate Storm Sewer System (MS4) annual report to the board.
Tom summarized MS4 activities the village conducts to reduce sediment and phosphorus loading to waterways: street sweeping, catch-basin cleaning, leaf and brush pickup, pond inspection and maintenance, a stormwater pollution prevention inspection at the DPW yard, calibration of salting equipment, and a spills plan. He highlighted Nixon Pond dredging as a major effort to reduce sediment transport.
Tom said Waukesha County conducted 66 outreach events for public education in the reporting year. The report includes a map of every catch basin, pond and outfall, and detailed tonnage and removal figures. He noted the report runs roughly 62 pages with an additional 57 pages of appendices.
Trustees asked about outfalls and inspections: Tom explained an outfall is a point where a culvert or pipe discharges to a detention area or wetlands and that the village conducts annual inspections of outfalls during dry periods, requiring inspection within 72 hours after rainfall to determine whether dry-weather flow exists (which could indicate an illicit discharge). He said the report lists 70 outfalls with 24 categorized as major outfalls.
No board action was required; trustees accepted the presentation for the record.
