Chehalis River at Porter, WA - 12031000
Scale
Continuous data
Chehalis River at Porter, WA - 12031000
Subscribe to WaterAlert March 30, 2025 - April 6, 2025
Gage height, feet [NAVD 1988 as of 5/10/2018]
35.69 ft - Apr 06, 2025 10:45:00 AM PDT
Important Data may be provisional
Value
Status
Time
Latest value
35.69 ft
Provisional
Apr 06, 2025
10:45:00 AM PDT
Selected
35.69 ft
Provisional
Apr 06, 2025
10:45:00 AM PDT
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Median
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Statistics for April 6, 2025 based on 35 years of data
Gage height, ft
low (1992)
5.64 ft
25th percentile
7.45 ft
median
9.18 ft
75th percentile
14.28 ft
mean
13.98 ft
high (2022)
38.95 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 1989-10-01 to 2025-04-06
Continuous data are collected via automated sensors installed at a monitoring location.
Data type
Data date range
Gage height, feet [NAVD 1988 as of 5/10/2018]
1990-02-22 - 2025-04-06
Discharge, cubic feet per second
1989-10-01 - 2025-04-06
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
2018-12-13 - 2024-10-01
Daily data
5 data types available - data from 1952-02-01 to 2025-04-05
Field measurements - Coming soon
0 data types available
Discrete sample data
261 Observed properties (data types) available - with data from 1959-10-01 to 2021-02-22
628 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 |
|---|---|---|---|
| Biological | Water-quality | 1974-10-30 | 1981-09-18 |
| Information | Water-quality | 1961-05-02 | 2021-02-22 |
| Inorganics, Major, Metals | Water-quality | 1959-10-01 | 1994-09-06 |
| Inorganics, Major, Non-metals | Water-quality | 1959-10-01 | 1994-09-06 |
| Inorganics, Minor, Non-metals | Water-quality | 1961-05-14 | 1994-09-06 |
| Inorganics, Minor, metals | Water-quality | 1960-01-17 | 1994-09-06 |
| Microbiological | Water-quality | 1960-10-06 | 1994-09-06 |
| Nutrient | Water-quality | 1959-10-01 | 1994-09-06 |
| Organics, other | Water-quality | 1974-10-30 | 1981-09-18 |
| Physical | Daily Values, Unit Values, Water-quality | 1952-02-01 | 2025-04-06 |
| Population/Community | Water-quality | 1974-10-30 | 1981-09-18 |
| Radiochemistry | Water-quality | 1980-10-17 | 1981-07-23 |
| Sediment | Daily Values, Water-quality | 1961-10-01 | 2021-02-22 |
| n/a | Peak Measurements | 1947-01-26 | 2023-12-07 |
| n/a | Site Visits | 1952-02-05 | 2025-03-04 |
| n/a | USGS Annual Water Data Reports Site | 2006-01-01 | 2024-01-01 |
Monitoring location 12031000 is associated with a Stream in Grays Harbor County, Washington. Current conditions of Discharge and Gage height are available. Water data back to 1947 are available online.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
12031000 | n/a |
|
Site name
|
CHEHALIS RIVER AT PORTER, WA | n/a |
|
Site type
|
Stream
|
ST |
| DMS latitude | 465622 | n/a |
| DMS longitude | 1231847 | n/a |
| Decimal latitude | 46.93926375 | n/a |
| Decimal longitude | -123.3143194 | 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
|
Grays Harbor County | 027 |
| Country | US | n/a |
| Land net location description | SWSES21 T17N R05W W | n/a |
| Name of location map | n/a | |
| Scale of location map | n/a | |
| Altitude of Gage/land surface | 0 feet | n/a |
| Method altitude determined | Level or other surveyed method. | L |
| Altitude accuracy | 05 feet | n/a |
|
Altitude datum
|
North American Vertical Datum of 1988 | NAVD88 |
|
Subbasin hydrologic unit
|
Upper Chehalis | 17100103 |
|
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
|
1294 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 |
