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Belle Isle Beach
163, MI
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 Apr 27, 2026Source
WQP
Data age
145 days old
Data confidence
low40%
Escherichia coli (E. coli) Bacteria1.0 MPN/100mL
Common fecal coliform bacteria indicating possible sewage contamination. EPA recreational limit: <126 MPN/100mL.
Readiness details
recency15
coverage2