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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Visit the Louisiana page for an example. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. You can update the state name in the URL to visit your State Page or read our announcement on the Water Data for the Nation blog to find links to all the state and territory pages.
Important Inventory Page

USGS Parameter Group Data Types Start Date End Date
Biological Water-quality 1974-04-24 2023-12-12
Information Water-quality 1972-06-07 2024-03-05
Inorganics, Major, Metals Water-quality 1974-06-11 2023-11-01
Inorganics, Major, Non-metals Water-quality 1972-06-07 2024-03-05
Inorganics, Minor, Non-metals Water-quality 1972-06-28 2023-11-01
Inorganics, Minor, metals Water-quality 1972-06-28 2023-11-01
Microbiological Water-quality 1972-06-28 1974-05-22
Nutrient Water-quality 1972-06-07 2023-07-25
Organics, PCBs Water-quality 1972-10-18 1974-05-22
Organics, other Water-quality 1974-06-11 2024-01-23
Organics, pesticide Water-quality 1972-07-26 1974-05-22
Physical Water-quality 1972-06-07 2024-03-05
Radiochemistry Water-quality 1972-07-26 2023-09-25
Water Data for the Nation inventory

Monitoring location 12301600 is associated with a Lake, Reservoir, Impoundment in Lincoln County, Montana. Water data back to 1972 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
12301600 n/a
Site name
Lake Koocanusa bl Pinkham Cr nr Rexford MT n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 484937 n/a
DMS longitude 1151558 n/a
Decimal latitude 48.8269061 n/a
Decimal longitude -115.2671173 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Unknown or unspecified. U
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Montana 30
State
Montana 30
County
Lincoln County 053
Country US n/a
Land net location description S06 T35N R28W M n/a
Name of location map WEBB MOUNTAIN n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 2463 feet n/a
Method altitude determined Interpolated from Digital Elevation Model N
Altitude accuracy 1.6 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
17010101
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 n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation MST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
n/a
Data-other GW files NYNNNNNN 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