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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
02055379 TINKER CREEK UPPER AT COLUMBIA ST AT ROANOKE, VA
LOCATION - Lat 37°18'50.6", long 79°55'56.8" referenced to North American Datum of 1983, Roanoke City, VA, Hydrologic Unit 03010101,
DRAINAGE AREA - 62.6 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 12, 2019 to October 8, 2024.
GAGE - Water-stage recorder. Datum of gage is 955.0 ft above NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD -
WATER-QUALITY RECORDS
EXTREMES FOR PERIOD OF RECORD -
Historic Extremes
Dissolved Oxygen:
Max: 15.90 mg/L on 01/30 2022.
Min: 5.90 mg/L on 06/30/2024.
Specific Conductance:
Max: 743 uS/cm on 01/09/2022.
Min: 100 uS/cm on 08/15/2021.
Water Temperature:
Max: 27.46 C on 07/16/2024.
Min: -0.04 C on 01/16/2022.
Turbidity:
Max: 862.37 FNU on 08/25/2022.
Min: 0.60 FNU on 10/23/2022.
pH:
Max: 8.70 pH on 02/03/2020 and 01/30/2023.
Min: 7.49 pH on 05/20/2020.
