USGS Water-Year Summary 2024
11453590 Pope Creek at Walter Springs, CA
LOCATION - Lat 38°38'49.1", long 122°21'56.97" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 sec.12, T.9 N., R.5 W., Napa County, CA, Hydrologic Unit 18020162, on left bank, 440 ft upstream of Pope Canyon Road bridge, and 0.7 mi southwest of Walter Springs.
DRAINAGE AREA - 40.4 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 2020 to current year (seasonal record October through April).
GAGE - Water Stage recorder. Datum of gage is 521.09 ft above NAVD88.
WATER-QUALITY RECORDS
PERIOD OF RECORD -
DISCRETE WATER-QUALITY DATA:
CHEMICAL DATA: December 2020 to current year (seasonal record October through April).
SEDIMENT DATA: December 2020 to current year (seasonal record October through April).
CONTINUOUS WATER-QUALITY DATA:
WATER TEMPERATURE: December 2020 to current year (seasonal record October through April).
TURBIDITY: December 2020 to current year (seasonal record October through April).