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Ivy River near Marshall, NC Flow & Water Level

North Carolina · USGS gauge 03453000 · live data

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About this gauge

USGS gauge 03453000 sits on the Ivy River and reads everything draining 158 square miles of the Upper French Broad basin. Its datum sits 1,700 feet above sea level NAVD88. Daily flow has been on record here since 1934, 70 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 French Broad River at Marshall, NC at 1,332 square miles, so what passes this gauge is about 12% of the water measured there. Water passing here goes on to French Broad River at Hot Springs, NC.

Normal flows here

The Ivy River runs a median of 89 cfs at this gauge across 70 years of record. March is the fullest month at a median 201 cfs, and September the leanest at 44 cfs. The highest daily mean on record is 13,300 cfs in 2024, and the lowest is 4.9 cfs in 2008.

Median flow by month
MonthMedian flowShare of annual median
Jan137 cfs154%
Feb180 cfs202%
Mar201 cfs226%
Apr183 cfs206%
May124 cfs139%
Jun86 cfs97%
Jul71 cfs80%
Aug59 cfs66%
Sep44 cfs49%
Oct49 cfs55%
Nov64 cfs72%
Dec95 cfs107%

Medians from the USGS daily-statistics record, 1934 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Ivy River reaches flood stage at this gauge at 15.5 feet. NWS starts watching it at 12 feet. The highest crest on record is 17.2 feet, in January 1995.

NWS flood categories
CategoryGage height
Action12 ft
Minor flooding15.5 ft
Moderate flooding16.5 ft
Major flooding19 ft
Highest crests on record
WhenCrest
January 199517.2 ft
June 187616 ft
January 199615.2 ft
January 199814.6 ft
March 196514.5 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge IVYN7. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 03453000. Percentile context computed against the gauge's period of record. Not for navigation.

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