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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Physical Daily Values, Unit Values 2023-08-18 2024-11-22
Water Data for the Nation inventory

Monitoring location 403204084342601 is associated with a Lake, Reservoir, Impoundment in Mercer County, Ohio. Current conditions of Lake or reservoir water surface elevation above NAVD 1988 and Lake or reservoir water surface elevation above NGVD 1929 are available. Water data back to 2023 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
403204084342601 n/a
Site name
Grand Lake St Marys near Celina OH n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 403204 n/a
DMS longitude 0843426 n/a
Decimal latitude 40.53444444 n/a
Decimal longitude -84.57388889 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Ohio 39
State
Ohio 39
County
Mercer County 107
Country US n/a
Land net location description S12 T06S R02E 1 n/a
Name of location map CELINA, OH n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 0 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 0 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
05120101
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YNNNYNNNNYNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
112 square miles n/a
Contributing drainage area n/a
Time Zone abbreviation EST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
n/a
Data-other GW files NNNNNNNN n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number n/a