Active
USGS
Poquonnock River At Long Hill, CT
Current conditions
Historical trends
Hourly measurements
Detailed readings by hour, organized by day
Nearby stations
Other monitoring locations nearby
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Active 1.0 mi
Poquonnock River At Bluff Point State Park, CT
ID: 412006072020801
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Offline 2.6 mi
Thames R At Groton, Ct.
ID: 01127768
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Offline 3.2 mi
Mystic River At Ram Island Yacht Club At Noank, CT
ID: 411940071590300
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Offline 3.6 mi
Mystic Harbor At Safe Harbor Marina Nr Mystic, CT
ID: 412047071580800
Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-01119001/ (may include cooperator information)