Skagit River at Marblemount, WA - 12181000
Scale
Continuous data
Skagit River at Marblemount, WA - 12181000
Subscribe to WaterAlert March 30, 2025 - April 6, 2025
Gage height, feet [(2)]
3.60 ft - Apr 06, 2025 09:45:00 AM PDT
Important Data may be provisional
Value
Status
Time
Latest value
3.60 ft
Provisional
Apr 06, 2025
09:45:00 AM PDT
Selected
3.60 ft
Provisional
Apr 06, 2025
09:45:00 AM PDT
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Median
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Statistics for April 6, 2025 based on 36 years of data
Gage height, ft
low (1987)
2.86 ft
25th percentile
3.54 ft
median
3.77 ft
75th percentile
4.16 ft
mean
3.81 ft
high (2013)
4.67 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 1987-10-01 to 2025-04-06
Continuous data are collected via automated sensors installed at a monitoring location.
Data type
Data date range
Gage height, feet [(2)]
2007-10-01 - 2025-04-06
Discharge, cubic feet per second
1987-10-01 - 2025-04-06
Temperature, water, degrees Celsius
2007-10-01 - 2025-04-06
Daily data
3 data types available - data from 1943-09-01 to 2025-04-05
Field measurements - Coming soon
0 data types available
Discrete sample data
71 Observed properties (data types) available - with data from 1959-07-15 to 2024-01-28
102 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 | 1968-01-23 | 2022-07-01 |
| Inorganics, Major, Metals | Water-quality | 1959-07-15 | 1970-09-09 |
| Inorganics, Major, Non-metals | Water-quality | 1959-07-15 | 1980-06-10 |
| Inorganics, Minor, Non-metals | Water-quality | 1959-11-19 | 1968-12-04 |
| Inorganics, Minor, metals | Water-quality | 1959-08-20 | 1969-12-10 |
| Microbiological | Water-quality | 1959-10-21 | 1970-09-09 |
| Nutrient | Water-quality | 1959-07-15 | 1980-06-10 |
| Physical | Daily Values, Unit Values, Water-quality | 1943-09-01 | 2025-04-06 |
| Sediment | Water-quality | 2022-03-01 | 2022-07-01 |
| n/a | Peak Measurements | 1943-12-03 | 2023-12-05 |
| n/a | Site Visits | 1983-08-09 | 2025-04-01 |
| n/a | USGS Annual Water Data Reports Site | 2006-01-01 | 2024-01-01 |
Monitoring location 12181000 is associated with a Stream in Skagit County, Washington. Current conditions of Discharge, Gage height, and Temperature are available. Water data back to 1943 are available online.
The datum of the gage has been determined to be 308.64 ft above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988, add 308.64 ft to gage height values.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
12181000 | n/a |
|
Site name
|
SKAGIT RIVER AT MARBLEMOUNT, WA | n/a |
|
Site type
|
Stream
|
ST |
| DMS latitude | 483202 | n/a |
| DMS longitude | 1212543 | n/a |
| Decimal latitude | 48.5337306 | n/a |
| Decimal longitude | -121.4298499 | 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
|
Skagit County | 057 |
| Country | US | n/a |
| Land net location description | NESWS07 T35N R11E W | n/a |
| Name of location map | n/a | |
| Scale of location map | n/a | |
| Altitude of Gage/land surface | 308.64 feet | n/a |
| Method altitude determined | Level or other surveyed method. | L |
| Altitude accuracy | .03 feet | n/a |
|
Altitude datum
|
North American Vertical Datum of 1988 | NAVD88 |
|
Subbasin hydrologic unit
|
Upper Skagit | 17110005 |
|
Drainage basin
|
n/a | |
|
Topographic setting
|
n/a | |
| Flags for instruments at site | YNNNYNNNNNNNNNNNNNNNNNNNNNNNNN | n/a |
|
Date of first construction
|
n/a | |
| Date site established or inventoried | n/a | |
|
Drainage area
|
1381 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 |
