USGS Water-Year Summary 2023
11405075 SNAG LK (ROUND VALLEY RES) NR JONESVILLE CA
LOCATION - Lat 40°04'26", long 121°27'17" referenced to North American Datum of 1927, Butte County, CA, Hydrologic Unit 18020121, Lassen National Forest, on outlet structure on Snag Lake Dam, 1.3 mi upstream from Coon Hollow, and 2.8 mi south of Jonesville.
DRAINAGE AREA - 2.58 mi².
SURFACE-WATER RECORDS
GAGE - Non-recording, staff gage at inclined outlet structure on dam. Elevation of gage is 5,650 ft above NGVD of 1929, from topographic map.
COOPERATION - Records, 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.