USGS Water-Year Summary 2017
0212414900 MALLARD CREEK BELOW STONY CREEK NEAR HARRISBURG, NC
LOCATION - Lat 35°19'58", long 80°42'57" referenced to North American Datum of 1983, Mecklenburg County, NC, Hydrologic Unit 03040105, on left bank on upstream side of bridge at Pavilion Blvd, 0.1 mi downstream of Stony Creek, and 3.8 mi northwest of Harrisburg.
DRAINAGE AREA - 34.6 mi².
PERIOD OF RECORD - December 1994 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 568.40 ft, North American Vertical Datum of 1988. Radio telemetry at streamgage.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge for period of record, 12,400 ft³/s, August 27, 2008, from contracted opening measurement of peak flow. Maximum gage height for period of record, 19.69 ft, August 27, 2008, from crest-stage gage. No flow occurred several days August 2002, and September, October 2007.