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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 Inventory Page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1990-12-13 1990-12-13
Inorganics, Major, Metals Water-quality 1990-12-13 1990-12-13
Inorganics, Major, Non-metals Water-quality 1990-12-13 1990-12-13
Inorganics, Minor, metals Water-quality 1990-12-13 1990-12-13
Nutrient Water-quality 1990-12-13 1990-12-13
Physical Water-quality 1990-12-13 1990-12-13
Sediment Water-quality 1990-12-13 1990-12-13
Water Data for the Nation inventory

Monitoring location 394025076115201 is associated with a Lake, Reservoir, Impoundment in Harford County, Maryland. Water data back to 1990 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
394025076115201 n/a
Site name
CO 02.03 Conowingo Reservoir n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 394025 n/a
DMS longitude 0761152 n/a
Decimal latitude 39.67371799 n/a
Decimal longitude -76.197454 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Pennsylvania 42
State
Maryland 24
County
Harford County 025
Country US n/a
Land net location description n/a
Name of location map CONOWINGO DAM n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface n/a
Method altitude determined n/a
Altitude accuracy n/a
Altitude datum
n/a
Subbasin hydrologic unit
Lower Susquehanna 02050306
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 19900601 n/a
Drainage area
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 444219200 n/a