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First Broad River at Lawndale, NC Flow & Water Level

North Carolina · USGS gauge 02152474 · live data

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About this gauge

USGS gauge 02152474 sits on the First Broad River and reads everything draining 190 square miles of the Upper Broad basin. Its datum sits 773 feet above sea level NAVD88. Daily flow has been on record here since 2008, 18 years of it.

Where this gauge sits in the drainage

One gauged site sits upstream of here. The closest is First Broad River near Casar, NC, reading 60 square miles. This gauge adds the 130 square miles that drain in between. Downstream the next reading comes from Gaston Shoals Reservoir above Blacksburg, SC at 1,280 square miles, so what passes this gauge is about 15% of the water measured there.

Normal flows here

The First Broad River runs a median of 147 cfs at this gauge across 18 years of record. April is the fullest month at a median 226 cfs, and September the leanest at 94 cfs. The highest daily mean on record is 12,000 cfs in 2024, and the lowest is 8.3 cfs in 2008.

Median flow by month
MonthMedian flowShare of annual median
Jan205 cfs139%
Feb211 cfs144%
Mar226 cfs154%
Apr226 cfs154%
May200 cfs136%
Jun143 cfs97%
Jul106 cfs72%
Aug114 cfs78%
Sep94 cfs64%
Oct98 cfs67%
Nov122 cfs83%
Dec154 cfs105%

Medians from the USGS daily-statistics record, 2008 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The First Broad River reaches flood stage at this gauge at 20 feet. NWS starts watching it at 18.5 feet. The highest crest on record is 23.9 feet, in February 2020.

NWS flood categories
CategoryGage height
Action18.5 ft
Minor flooding20 ft
Moderate flooding26 ft
Major flooding28 ft
Highest crests on record
WhenCrest
February 202023.9 ft
July 201318.8 ft
January 201016.3 ft
May 201316.2 ft
May 201214.2 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge LNDN7. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02152474. Percentile context computed against the gauge's period of record. Not for navigation.

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