Kootenai River at Porthill ID - 12322000

Continuous data

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April 13, 2025 - April 20, 2025

Gage height, feet

Important Data may be provisional

Latest value

41.45 ft

Provisional

Apr 20, 2025

21:45:00 PM PDT

Selected

41.45 ft

Provisional

Apr 20, 2025

09:45:00 PM PDT

Statistics for April 20, 2025 based on 63 years of data

Gage height, ft

low (2001)

39.26 ft

25th percentile

40.42 ft

median

41.75 ft

75th percentile

43.56 ft

mean

42.55 ft

high (1996)

49.28 ft

Gage height, feet -- continuous data
Time	Result	Approval
2025-04-20T21:45:00.000-07:00	41.45	Provisional
2025-04-20T21:30:00.000-07:00	41.41	Provisional
2025-04-20T21:15:00.000-07:00	41.41	Provisional
2025-04-20T21:00:00.000-07:00	41.40	Provisional
2025-04-20T20:45:00.000-07:00	41.43	Provisional
2025-04-20T20:30:00.000-07:00	41.43	Provisional
2025-04-20T20:15:00.000-07:00	41.43	Provisional
2025-04-20T20:00:00.000-07:00	41.44	Provisional
2025-04-20T19:45:00.000-07:00	41.40	Provisional
2025-04-20T19:30:00.000-07:00	41.38	Provisional
2025-04-20T19:15:00.000-07:00	41.39	Provisional
2025-04-20T19:00:00.000-07:00	41.40	Provisional
2025-04-20T18:45:00.000-07:00	41.41	Provisional
2025-04-20T18:30:00.000-07:00	41.45	Provisional
2025-04-20T18:15:00.000-07:00	41.44	Provisional
2025-04-20T18:00:00.000-07:00	41.44	Provisional

Available data

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Continuous data

3 data types available - data from 2007-10-01 to 2025-04-20

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

2008-11-21 - 2025-04-20

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Daily median

Data for same time span in prior year

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Discharge, cubic feet per second [(2)]

2007-10-01 - 2025-04-20

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Temperature, water, degrees Celsius

2007-10-17 - 2025-04-20

Daily data

8 data types available - data from 1960-10-01 to 2025-04-19

Field measurements - Coming soon

0 data types available

Discrete sample data

142 Observed properties (data types) available - with data from 1949-01-11 to 2025-04-09

280 Sampling activities

Location details and information

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Site identification number	12322000	_n/a
Site name	KOOTENAI RIVER AT PORTHILL ID	_n/a
Site type	Stream	ST
DMS latitude	485947	_n/a
DMS longitude	1163027	_n/a
Decimal latitude	48.99638889	_n/a
Decimal longitude	-116.5075	_n/a
Latitude-longitude method	Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)	G
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	Idaho	16
State	Idaho	16
County	Boundary County	021
Country	US	_n/a
Land net location description	SENESES07 T65N R01W B	_n/a
Name of location map	Smith Falls	_n/a
Scale of location map	24000	_n/a
Altitude of Gage/land surface	1700. feet	_n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	20. feet	_n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Lower Kootenai	17010104
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	13700 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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Operated in cooperation with:

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US Army Corps of Engineers - Seattle District

Kootenai River at Porthill ID - 12322000

Continuous data

Available data

Continuous data

Daily data

Field measurements - Coming soon

Discrete sample data

Location details and information

Monitoring locations with continuous data in last 120 days

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