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- 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.
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USGS Water-Year Summary 2024
09073400 ROARING FORK RIVER NEAR ASPEN, CO
LOCATION - Lat 39°10'48", long 106°48'05" referenced to North American Datum of 1927, in T.10 S., R.84 W., Pitkin County, CO, Hydrologic Unit 14010004, on right bank 25 ft upstream from private bridge, 115 ft upstream from Salvation Ditch headgate, 1.0 mi southeast of Aspen, and 2.0 mi upstream from Hunter Creek.
DRAINAGE AREA - 106 mi².
REVISIONS HISTORY - WDR-US-2011: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1964 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Datum of gage is 8,019.66 ft above NAVD of 1988, from GNSS survey. Prior to Aug. 30, 2022, the elevation of gage was reported as 8,014.01 ft above NGVD of 1929, from topographic map. Prior to Apr. 25, 1968, at site 85 ft upstream, at datum 1.16 ft higher.
REMARKS - Water year 2014; records good except for estimated daily discharges, which are poor. Water year 2015; records good except for estimated daily discharges, which are poor. Water year 2016; records good except for estimated daily discharges, which are poor. Water year 2017; records good except for estimated daily discharges, which are poor. Water year 2018; records good except for estimated daily discharges, which are poor. Water year 2019; no estimated daily discharges. Records good. Water year 2020; records good except for estimated daily discharges, which are poor. Water year 2021; records good except for estimated daily discharges, which are poor. Water year 2022; records good except for estimated daily discharges, which are poor. Water year 2023; records good except for estimated daily discharges, which are poor. Water year 2024; records good except for estimated daily discharges, which are poor. Transmountain diversion 14 mi upstream through Twin Lakes Tunnel to Arkansas River Basin since May 24, 1935. Prior to 2014, annual mean discharge for years 1965-2013 was adjusted to include Twin Lakes Tunnel diversions.
