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Cogswell Drive Stormwater Outfall (Silver Lake)
059, WI
Storm Sewer
Water monitoring location. This is a water-monitoring sensor location, not a confirmed public-access or fishing point. Check access and private-property rules before you go.
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Water Quality
Updated Jun 24, 2026Source
WQP
Data age
85 days old
Data confidence
medium55%
Escherichia coli (E. coli) Bacteria921.0 MPN/100mL
Common fecal coliform bacteria indicating possible sewage contamination. EPA recreational limit: <126 MPN/100mL.
Readiness details
recency30
coverage2