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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.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2025
0423205040 IRONDEQUOIT BAY AT MOUTH AT ROCHESTER, NY
LOCATION - Lat 43°14'05.6", long 77°32'01.9" referenced to North American Datum of 1983, Monroe County, NY, Hydrologic Unit 04140101, on right bank at downstream side of Lake Road bridge, 0.1 mi upstream from mouth at Lake Ontario, and 5.2 mi northeast of Rochester.
DRAINAGE AREA - 169 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 2017 to July 2020.
GAGE - Water-stage recorder. Datum of gage is IGLD of 1985.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in May 2017 reached an elevation of 249.27 ft, present datum, from floodmark.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 249.35 ft, June 14, 2019; minimum elevation, 244.54 ft, Oct. 31, 2018.
