Cowlitz River at Castle Rock, WA - 14243000

Continuous data

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April 14, 2025 - April 21, 2025

Gage height, feet [NAVD 1988, feet]

Important Data may be provisional

Latest value

35.01 ft

Provisional

Apr 21, 2025

12:30:00 PM PDT

Selected

35.01 ft

Provisional

Apr 21, 2025

12:30:00 PM PDT

Statistics for April 21, 2025 based on 12 years of data

Gage height, ft

low (1996)

10.54 ft

25th percentile

33.12 ft

median

33.52 ft

75th percentile

34.37 ft

mean

31.93 ft

high (2011)

36.09 ft

Gage height, feet [NAVD 1988, feet] -- continuous data
Time	Result	Approval
2025-04-21T12:30:00.000-07:00	35.01	Provisional
2025-04-21T12:15:00.000-07:00	35.01	Provisional
2025-04-21T12:00:00.000-07:00	35.03	Provisional
2025-04-21T11:45:00.000-07:00	35.02	Provisional
2025-04-21T11:30:00.000-07:00	35.02	Provisional
2025-04-21T11:15:00.000-07:00	35.02	Provisional
2025-04-21T11:00:00.000-07:00	35.02	Provisional
2025-04-21T10:45:00.000-07:00	35.02	Provisional
2025-04-21T10:30:00.000-07:00	35.03	Provisional
2025-04-21T10:15:00.000-07:00	35.02	Provisional
2025-04-21T10:00:00.000-07:00	35.02	Provisional
2025-04-21T09:45:00.000-07:00	35.03	Provisional
2025-04-21T09:30:00.000-07:00	35.00	Provisional
2025-04-21T09:15:00.000-07:00	35.02	Provisional
2025-04-21T09:00:00.000-07:00	35.02	Provisional
2025-04-21T08:45:00.000-07:00	35.02	Provisional

Available data

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Continuous data

6 data types available - data from 1961-12-20 to 2025-04-21

Continuous data are collected via automated sensors installed at a monitoring location.

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Data type

Data date range

Graphed

Gage height, feet [NAVD 1988, feet]

2007-10-01 - 2025-04-21

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Daily median

Data for same time span in prior year

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Discharge, cubic feet per second

1961-12-20 - 2025-04-21

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Stream water level elevation above NAVD 1988, in feet

2008-10-01 - 2025-04-21

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) RIGHT BANK, [Analite NEP5000]

2020-10-29 - 2025-04-21

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Water velocity reading from field sensor, feet per second RIGHT BANK, [from ADVM 1500kHz]

2022-04-22 - 2025-04-21

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Water velocity reading from field sensor, feet per second RIGHT BANK, [from ADVM 500kHz]

2022-04-22 - 2025-04-21

Daily data

4 data types available - data from 1926-12-10 to 2025-04-20

Field measurements - Coming soon

0 data types available

Discrete sample data

215 Observed properties (data types) available - with data from 1967-10-11 to 2025-01-15

2709 Sampling activities

Important information about this monitoring location

Datum of gage is NAVD88.

Location details and information

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Site identification number	14243000	_n/a
Site name	COWLITZ RIVER AT CASTLE ROCK, WA	_n/a
Site type	Stream	ST
DMS latitude	461630	_n/a
DMS longitude	1225448	_n/a
Decimal latitude	46.2748332	_n/a
Decimal longitude	-122.9145587	_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	Cowlitz County	015
Country	US	_n/a
Land net location description	SWSES10 T09N R02W W	_n/a
Name of location map		_n/a
Scale of location map		_n/a
Altitude of Gage/land surface	0.00 feet	_n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	1 feet	_n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Lower Cowlitz	17080005
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	2238 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

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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.

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Cowlitz River at Castle Rock, WA - 14243000

Continuous data

Available data

Continuous data

Daily data

Field measurements - Coming soon

Discrete sample data

Important information about this monitoring location

Location details and information

Monitoring locations with continuous data in last 120 days

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