USGS Water-Year Summary 2020
11405120 Philbrook Creek below Philbrook Dam, near Butte Meadows, CA
LOCATION - Lat 40°01'48", long 121°28'36" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.13, T.25 N., R.4 E., Butte County, CA, Hydrologic Unit 18020121, in Lassen National Forest, on right bank, 500 ft downstream from outlet structure on Philbrook Dam, and 5.4 mi southeast of Butte Meadows.
DRAINAGE AREA - 5.05 mi².
PERIOD OF RECORD - July 1989 to current year (seasonal). Unpublished records for water years 1986-89 available in files of the U.S. Geological Survey.
GAGE - Water-stage recorder, Parshall flume, and V-notch sharp-crested weir. Elevation of gage is 5,490 ft above NGVD of 1929, from topographic map. October 1985 to July 1989, nonrecording gage at same site and datum. In June 1989, V-notch sharp-crested weir installed in flume to be used at low flows.
COOPERATION - Records, including contents at end of month from Philbrook Reservoir (station 11405100), were collected by Pacific Gas and Electric Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 803.