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Stewartville notified as MS4 by MPCA; council told to document stormwater outlets and begin inspections
Summary
The Minnesota Pollution Control Agency has designated Stewartville as an MS4, which will require the city to document stormwater outlets, institute inspections and monitoring, and run public-education activities; staff proposed using GIS and assigning tasks to existing public-works employees.
City staff informed the council Stewartville has been officially identified by the Minnesota Pollution Control Agency as a municipal separate storm sewer system (MS4). Staff explained the designation will trigger permit requirements, documentation, inspections, and public-education obligations under MPCA rules.
Staff said much of the citys existing stormwater work is already in place but that the MPCA designation requires formalizing practices: the city must map every discharge/outlet, document periodic inspections, and follow up on observed discharges…
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