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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.

Due to a loss of funding, this gage will be discontinued on December 31, 2024. For further information, feel free to submit an inquiry through the "Questions and Comments" link at the bottom of this page.

Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Biological Water-quality 1979-07-02 1981-09-30
Information Water-quality 1974-12-21 1986-08-06
Inorganics, Major, Metals Water-quality 1979-07-02 1986-08-06
Inorganics, Major, Non-metals Water-quality 1979-07-02 1986-08-06
Inorganics, Minor, Non-metals Water-quality 1979-07-02 1986-05-20
Inorganics, Minor, metals Water-quality 1979-07-02 1986-05-20
Microbiological Water-quality 1979-07-02 1986-08-06
Nutrient Water-quality 1979-07-02 1986-08-06
Organics, other Water-quality 1979-07-02 1981-09-30
Physical Daily Values, Unit Values, Water-quality 1963-02-01 2024-11-21
Population/Community Water-quality 1979-07-02 1981-09-30
Radiochemistry Water-quality 1980-08-27 1981-05-27
Sediment Water-quality 1974-12-21 1986-08-06
n/a Peak Measurements 1964-01-01 2022-11-05
n/a Site Visits 1964-11-30 2024-10-29
n/a USGS Annual Water Data Reports Site 2006-01-01 2024-01-01
Water Data for the Nation inventory

Monitoring location 12150800 is associated with a Stream in Snohomish County, Washington. Current conditions of Discharge and Gage height are available. Water data back to 1963 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
12150800 n/a
Site name
SNOHOMISH RIVER NEAR MONROE, WA n/a
Site type
Stream
ST
DMS latitude 474952 n/a
DMS longitude 1220250 n/a
Decimal latitude 47.830932 n/a
Decimal longitude -122.048459 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
Washington 53
State
Washington 53
County
Snohomish County 061
Country US n/a
Land net location description NENWS16 T27N R06E W n/a
Name of location map MALTBY, WA n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 17.05 feet n/a
Method altitude determined GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System X
Altitude accuracy .05 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
17110011
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
1537 square miles n/a
Contributing drainage area n/a
Time Zone abbreviation PST 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

Operated in cooperation with:

logo for Snohomish County Conservation and Natural Resources Department
Snohomish County Conservation and Natural Resources Department
logo for USGS - Federal Priority Streamgages
USGS - Federal Priority Streamgages