USGS Surface Water for USA: Streamflow Measurements

USGS - science for a changing world

USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources

Data Category:
Geographic Area:

Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for the Nation

USGS 11512000 FALL C A COPCO CA

Siskiyou County, California

Hydrologic Unit Code 18010206

Latitude 41°58'30", Longitude 122°21'48" NAD27

Drainage area 14.6 square miles

Gage datum 2,362.77 feet above NGVD29

**Output formats**
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format

Meas. Number	Date Time	Time Datum	Measurement Used?	Who	Measuring Agency	Stream flow (ft³/s)	Gage Height (ft)	GH Change (ft)	Meas. Duration (hr)	Meas. Rated	Control	Flow Adjust. Code	Channel Number	Channel Name	Meas. type	Stream flow method	Velocity method	Channel flow (ft3/s)	Channel width (ft)	Channel area (ft2)	Channel vel. (ft/s)	Channel stability	Channel material	Channel evenness	Long. vel. desc.	Horz. vel. desc.	Vert. vel. desc.	Channel loc. code	Channel loc. dist.(ft)
16	2005-10-28 11:30	PDT	Yes	JTC/MAG	USGS	37.1	1.98	0.02	0.50	Fair	DebrisLight	NONE	1	Imported Channel 1	WADE	unspe	unkno	37.1	20.5	21.8	1.71	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
15	2005-08-16 11:45	PDT	Yes	MAG	USGS	25.6	1.61	-0.02	0.40	Fair	DebrisModerate	NONE	1	Imported Channel 1	WADE	unspe	unkno	25.6	18.0	12.7	2.02	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
14	2005-06-24 10:50	PDT	Yes	MAG	USGS	33.2	1.87	0.00	0.50	Fair	DebrisModerate	NONE	1	Imported Channel 1	WADE	unspe	unkno	33.2	19.5	18.3	1.81	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
13	2005-04-11 09:50	PDT	Yes	MAG	USGS	38.0	1.99	0.00	0.50	Fair	DebrisLight	NONE	1	Imported Channel 1	WADE	unspe	unkno	38.0	18.0	18.8	2.02	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
12	2005-01-04 18:27	PST	Yes	MAG	USGS	40.6	2.41	-0.02	0.40	Good	DebrisModerate	NONE	1	Imported Channel 1	unkn	QSCMM	unkno	40.6				unkn	unkn	unkn	unkn	unkn	UNKN	unkn
11	2005-01-04 12:55	PST	Yes	MAG	USGS	46.1	2.48	-0.02	0.50	Good	DebrisModerate	NONE	1	Imported Channel 1	WADE	unspe	unkno	46.1	21.0	31.1	1.48	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
10	2004-10-05 10:00	PDT	Yes	MAg	USGS	31.8	1.88	-0.01	0.40	Good	DebrisModerate	NONE	1	Imported Channel 1	WADE	unspe	unkno	31.8	18.1	18.1	1.75	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
9	2004-07-15 09:40	PDT	Yes	MAG	USGS	26.8	1.66	0.12	0.50	Fair	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	26.8	18.0	13.2	2.03	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
8	2004-05-27 13:10	PDT	Yes	MAG	USGS	41.0	2.09	0.01	0.50	Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	41.0	17.5	21.4	1.91	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
7	2004-02-18 13:30	PST	Yes	MAG/JGH	USGS	97.9	3.01	0.00	0.50	Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	97.9	22.2	35.3	2.78	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
6	2003-12-22 11:15	PST	Yes	MAG	USGS	43.4	2.32	0.01	0.50	Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	43.4	19.0	25.6	1.69	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
4	2003-10-10 17:54:30	PDT	Yes	MAG	USGS	32.8	1.76	0.26	0.50	Good	Clear	NONE	1	Imported Channel 1	unkn	QSCMM	unkno	32.8				unkn	unkn	unkn	unkn	unkn	UNKN	unkn
5	2003-10-10 10:50	PDT	Yes	MAG	USGS	32.8	1.89	0.01	0.50	Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	32.8	18.0	17.9	1.92	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
3	2003-07-08 14:15	PDT	Yes	MAG	USGS	32.0	1.82	0.02	0.50	Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	32.0	17.6	15.2	2.11	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
2	2003-05-22 11:35	PDT	Yes	MAG	USGS	36.0	1.88	-0.01	0.50	Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	36.0	21.0	23.5	1.53	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
1	2003-05-05 11:00	PDT	Yes	TLD	USGS	42.1	2.06	0.00	0.50	Good	DebrisLight	NONE	1	Imported Channel 1	WADE	unspe	unkno	42.1	19.0	25.1	1.68	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP

Questions or Comments
Help

Data Tips
Explanation of terms
Subscribe for system changes

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: California Water Data Support Team
Page Last Modified: 2025-09-06 08:51:23 EDT
0.65 0.64 vaww02