Active
USGS
St Marys River At Great Mills, MD
Current conditions
Historical trends
Hourly measurements
Detailed readings by hour, organized by day
Nearby stations
Other monitoring locations nearby
-
Active 1.8 mi
St Marys Lake Near Callaway, MD
ID: 01661499
Level: 60.85 ft -
Active 9.3 mi
Mcintosh Run Near Leonardtown, MD
ID: 01661350
Level: 1.24 ft -
Active 13.6 mi
St Clements Creek Near Clements, MD
ID: 01661050
Flow: 3 ft³/s -
Offline 14.3 mi
St Leonard Creek Near St Leonard, MD
ID: 01594800
Flow: 4 ft³/s
Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-01661500/ (may include cooperator information)