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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 2024
0214183365 UPPER LITTLE RIVER AT SECONDARY ROAD 1740 AT PETRA MILLS, NC
LOCATION - Lat 35°50'31.29", long 81°21'40.96" referenced to North American Datum of 1983, Caldwell County, NC, Hydrologic Unit 03050101, on the left bank, on the downstream end of the bridge abutment at Secondary Road 1740 at Petra Mills, NC.
DRAINAGE AREA - 33.9 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2019 to current year.
Water years 1993-1994, periodic discharge measurements.
Water years 1993-1994, periodic discharge measurements.
GAGE - Water-stage recorder. Datum of gage is 981.61 ft above North American Vertical Datum of 1988. Radio telemetry at streamgage.
REMARKS - Gage-height records are generally good. Discharge records are generally fair except for estimated discharges, which are poor. Additional details on the accuracy of the records can be obtained by contacting the USGS South Atlantic Water Science Center at gs-w-nc_nwisweb_data_inquiries@usgs.gov.
EXTREMES OUTSIDE PERIOD OF RECORD - A maximum instantaneous discharge of 5,030 ft³/s at a gage height of 7.92 ft, August 17, 1994 (REVISED).
EXTREMES FOR PERIOD OF RECORD - A maximum instantaneous discharge of 7,750 ft³/s at a gage height of 9.46 ft, November 12, 2020.
