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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.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
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USGS Water-Year Summary 2024
04214231 SOUTH BRANCH EIGHTEENMILE CREEK AT BLEY ROAD AT EDEN VALLEY, NY
LOCATION - Lat 42°40'49.0", long 78°52'43.3" referenced to North American Datum of 1983, Erie County, NY, Hydrologic Unit 04120103, in the village of Hamburg, about 7.1 mi upstream of Lake Erie.
DRAINAGE AREA - 36.6 mi².
REVISIONS HISTORY - Discharge above about 1,400 ft³/s for the period of Sept. 19, 2017, to Mar. 1, 2021, was revised on Feb. 14, 2022, based on changes to the stage-discharge rating.
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 2017 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 734.14 ft above NAVD of 1988.
REMARKS - Water Years 2017-23: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,280 ft³/s, Nov. 5, 2017, gage height 10.50 ft, from rating curve extended above 1,400 ft³/s on basis of slope-area measurement at gage height 8.46 ft; minimum discharge, 0.22 ft³/s, July 15, 2022, gage height 2.78 ft.
