USGS Water-Year Summary 2024

03161000 SOUTH FORK NEW RIVER NEAR JEFFERSON, NC

LOCATION - Lat 36°23'36", long 81°24'25" referenced to North American Datum of 1983, Ashe County, NC, Hydrologic Unit 05050001, Lat. 36023'36", long 81024'25", Ashe County, Hydrologic Unit 05050001, on right bank 600 ft. upstream from bridge on State Highways 16 and 88, 0.2 mile downstream from Bear Creek and 4 miles southeast of Jefferson.

DRAINAGE AREA - 205 mi².

REVISIONS HISTORY - WSP 1275: 1925-26(M), 1928-30(M), 1931-32, 1933-35(M), 1941-42(m), 1944(m). WDR NC-81-1: Drainage area. Gage datum was revised on October 01, 2021, based on an error in the determination of the gage datum.

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 1924 to current year. Monthly discharge only for some periods, published in WSP 1305.

GAGE - Data collection platform. Datum of gage is 2,656.80 ft above NAVD of 1988. datum. Satellite telemetry at streamgage.

REMARKS - Gage-height records are generally good. Discharge records are generally good except for estimated discharges, which are fair. 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 - Flood of July 15, 1916, reached a stage of 18.0 ft, from floodmarks witnessed by local resident; discharge, 35,200 ft³/s.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge from rating curve extended above 14,000 ft³/s on basis of slope-area measurement of peak flow.