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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
Information Water-quality 1982-10-27 2005-06-24
Inorganics, Major, Metals Water-quality 1982-10-27 1986-08-26
Inorganics, Major, Non-metals Water-quality 1982-10-27 1986-08-26
Inorganics, Minor, Non-metals Water-quality 1982-10-27 1986-08-26
Inorganics, Minor, metals Water-quality 1982-10-27 1986-08-26
Nutrient Water-quality 1982-10-27 1986-08-26
Physical Daily Values, Unit Values, Water-quality 1982-10-01 2024-11-08
Sediment Water-quality 1982-10-27 1986-08-26
n/a Peak Measurements 1983-06-30 2023-05-22
n/a Site Visits 1982-09-28 2024-07-15
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 12377150 is associated with a Stream in Lake County, Montana. Current conditions of Discharge and Gage height are available. Water data back to 1982 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
12377150 n/a
Site name
Mission Creek ab reservoir nr St. Ignatius MT n/a
Site type
Stream
ST
DMS latitude 471922.16 n/a
DMS longitude 1135845.77 n/a
Decimal latitude 47.3228222 n/a
Decimal longitude -113.9793806 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
Latitude-longitude accuracy
Accurate to + or - .1 sec (Differentially-Corrected GPS). 1
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Montana 30
State
Montana 30
County
Lake County 047
Country US n/a
Land net location description NWSWNES14 T18N R19W P n/a
Name of location map SAINT MARY LAKE n/a
Scale of location map n/a
Altitude of Gage/land surface 3460 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 10 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
17010212
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
12.4 square miles 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

Operated in cooperation with:

logo for Confederated Salish and Kootenai Tribes - Natural Resources Department
Confederated Salish and Kootenai Tribes - Natural Resources Department
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds