West Br Rocky River B Mth of South Prong River near Cornelius, NC Flow & Water Level

NWS river forecast

Forecast from the NOAA National Water Prediction Service. Issued a few times a day and only while a forecast is active. Not for navigation.

Last 30 days

About this gauge

USGS gauge 0212393300 sits on the West Br Rocky River B Mth of South Prong River and reads everything draining 21 square miles of the Rocky basin. Its datum sits 636 feet above sea level NAVD88. Daily flow has been on record here since 2004, 22 years of it.

Where this gauge sits in the drainage

No gauged site sits above this one on the mainstem, so this is the first published reading on the river. Downstream the next reading comes from Rocky River above Irish Buffalo Creek near Rocky River, NC at 278 square miles, so what passes this gauge is about 7% of the water measured there.

Normal flows here

The West Br Rocky River B Mth of South Prong River runs a median of 6.7 cfs at this gauge across 22 years of record. March is the fullest month at a median 16 cfs, and October the leanest at 3.1 cfs. The highest daily mean on record is 1,280 cfs in 2020, and the lowest is 0.1 cfs in 2008.

Medians from the USGS daily-statistics record, 2004 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The West Br Rocky River B Mth of South Prong River reaches flood stage at this gauge at 15 feet. NWS starts watching it at 12 feet. The highest crest on record is 17 feet, in June 2013.

Flood categories and crest history from the NOAA National Water Prediction Service, gauge WBRN7. Stages are gage height, not depth. Not for navigation.