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


Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site 14209250

Click to hide Water-Year Summary instructions and information
  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
Print this page
USGS Water-Year Summary 2023
14209250 OAK GROVE FORK AT RIPPLEBROOK CAMPGROUND, OR
LOCATION - Lat 45°04'47.33", long 122°02'34.29" referenced to North American Datum of 1983, Clackamas County, OR, Hydrologic Unit 17090011, Mount Hood National Forest, on right bank and 40 ft downstream from Hwy 224 bridge.
DRAINAGE AREA - 141 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2010 to current year.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 1,420 ft above NGVD of 1929, from topographic map.
REMARKS - Flow regulated by Timothy Lake (active capacity, 64,450 acre-ft). Low flows are affected at times by diversion to Stone Creek Hydroelectric Project. Diversion upstream from station at Harriet Lake to Oak Grove powerhouse, returns to Clackamas River downstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 2,000 ft³/s Jan. 16, 2011; minimum discharge, 13 ft³/s Oct. 27, 28, Dec. 22, 23, 2011.