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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
0214267602 CATAWBA RIVER DOWNSTREAM DECK MOUNTAIN ISLAND DAM NEAR MOUNTAIN ISLAND, NC
LOCATION - Lat 35°20'02.42", long 80°59'11.07" referenced to North American Datum of 1983, Gaston County, NC, Hydrologic Unit 03050101,
DRAINAGE AREA - 1,860 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 2015 to current year.
GAGE - Water stage recorder. Datum of gage is 557.94 ft above North American Vertical Datum of 1988. Satellite telemetry at streamgage.
REMARKS - Considerable regulation, caused by Mountain Island Dam.
Gage-height records are generally good.
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 FOR PERIOD OF RECORD -
Maximum gage height: 22.77 ft, June 10, 2019 Minimum gage height: 3.93 ft, September 22, 2015
WATER-QUALITY RECORDS
PERIOD OF RECORD - May 2015 to current year.
PERIOD OF DAILY RECORD -
DISSOLVED OXYGEN: May 2015 to current year. WATER TEMPERATURE: May 2015 to current year.
INSTRUMENTATION - Water-quality monitor with satellite telemetry from May 2015 to current year.
REMARKS - Data is collected for the months April through November. Considerable regulation, caused by Mountain Island Dam.
EXTREMES FOR PERIOD OF DAILY RECORD -
Maximum Dissolved Oxygen: 11.1 mg/l, April 4, 2019 Minimum Dissolved Oxygen: 4.4 mg/l, August 24, 2017 and July 27th, 2023Maximum Water Temperature: 32.5°C, August 4, 2015 Minimum Water Temperature: 12.8°C, November 29, 2018
