Snohomish River at Snohomish, WA - 12155500
Scale
Continuous data
Snohomish River at Snohomish, WA - 12155500
Subscribe to WaterAlert March 16, 2025 - March 23, 2025
Gage height, feet
14.15 ft - Mar 23, 2025 11:00:00 AM PDT
Important Data may be provisional
Value
Status
Time
Latest value
14.15 ft
Provisional
Mar 23, 2025
11:00:00 AM PDT
Selected
14.15 ft
Provisional
Mar 23, 2025
11:00:00 AM PDT
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Median
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Statistics for March 23, 2025 based on 14 years of data
Gage height, ft
low (2001)
12.04 ft
25th percentile
12.44 ft
median
13.23 ft
75th percentile
13.97 ft
mean
13.43 ft
high (2003)
17.42 ft
Available data
Select data types to graph from categories based on the way the data were collected.
Learn about the data collection categories Continuous data
3 data types available - data from 2015-10-01 to 2025-03-23
Continuous data are collected via automated sensors installed at a monitoring location.
Data type
Data date range
Gage height, feet
2015-10-01 - 2025-03-23
Discharge, cubic feet per second
2022-09-01 - 2024-04-05
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) [(2)]
2022-10-01 - 2024-03-15
Daily data
3 data types available - data from 1965-10-07 to 2025-03-22
Field measurements - Coming soon
0 data types available
Discrete sample data
100 Observed properties (data types) available - with data from 1960-10-01 to 2024-02-29
260 Sampling activities
- Monitoring Location
- Active Monitoring Locations
5 km
3 mi
Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.
Interested in understanding how to access the upstream/downstream data? Learn about the Network-Linked Data Index (NLDI)
| USGS Parameter Group | Data Types | Start Date | End Date |
|---|---|---|---|
| Information | Water-quality | 1968-08-05 | 2023-12-05 |
| Inorganics, Major, Metals | Water-quality | 1960-10-01 | 1977-08-09 |
| Inorganics, Major, Non-metals | Water-quality | 1960-10-01 | 1978-09-18 |
| Inorganics, Minor, Non-metals | Water-quality | 1961-02-01 | 1968-12-03 |
| Inorganics, Minor, metals | Water-quality | 1960-10-01 | 1974-09-24 |
| Microbiological | Water-quality | 1961-02-23 | 1977-08-10 |
| Nutrient | Water-quality | 1960-10-01 | 1978-09-18 |
| Physical | Daily Values, Unit Values, Water-quality | 1960-10-01 | 2025-03-23 |
| Sediment | Water-quality | 1974-12-21 | 2023-12-05 |
| n/a | Peak Measurements | 1906-01-01 | 1966-05-07 |
| n/a | Site Visits | 1966-12-14 | 2024-07-10 |
| n/a | USGS Annual Water Data Reports Site | 2015-01-01 | 2024-01-01 |
Monitoring location 12155500 is associated with a Stream in Snohomish County, Washington. Current conditions of Gage height are available. Water data back to 1906 are available online.
The datum of the gage has been determined to be 6.43 ft below NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988, subtract 6.43 ft gage height values.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
12155500 | n/a |
|
Site name
|
SNOHOMISH RIVER AT SNOHOMISH, WA | n/a |
|
Site type
|
Stream
|
ST |
| DMS latitude | 475445.84 | n/a |
| DMS longitude | 1220623.25 | n/a |
| Decimal latitude | 47.9127333 | n/a |
| Decimal longitude | -122.1064583 | 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
|
Washington | 53 |
|
State
|
Washington | 53 |
|
County
|
Snohomish County | 061 |
| Country | US | n/a |
| Land net location description | NESES13 T28N R05E W | n/a |
| Name of location map | n/a | |
| Scale of location map | n/a | |
| Altitude of Gage/land surface | -6.43 feet | n/a |
| Method altitude determined | GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System | X |
| Altitude accuracy | .07 feet | n/a |
|
Altitude datum
|
North American Vertical Datum of 1988 | NAVD88 |
|
Subbasin hydrologic unit
|
Snohomish | 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
|
1714 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 |
