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New River at Ivanhoe, VA Water Level Today

Virginia · USGS gauge 03165500 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 03165500 sits on the New River and reads everything draining 1,350 square miles of the Upper New basin. Its datum sits 1,942 feet above sea level NAVD88. Daily flow has been on record here since 1930, 79 years of it.

Where this gauge sits in the drainage

One gauged site sits upstream of here. The closest is New River near Galax, VA, reading 1,141 square miles. This gauge adds the 209 square miles that drain in between. Downstream the next reading comes from New River at Allisonia, VA at 2,212 square miles, so what passes this gauge is about 61% of the water measured there. Water passing here goes on to New River at Radford, VA. It then enters Claytor Reservoir at Claytor Dam near Radford, VA, below which releases set the flow.

Normal flows here

The New River runs a median of 1,655 cfs at this gauge across 79 years of record. March is the fullest month at a median 2,510 cfs, and September the leanest at 980 cfs. The highest daily mean on record is 87,600 cfs in 1940, and the lowest is 181 cfs in 2008.

Median flow by month
MonthMedian flowShare of annual median
Jan2,060 cfs124%
Feb2,390 cfs144%
Mar2,510 cfs152%
Apr2,365 cfs143%
May2,030 cfs123%
Jun1,630 cfs98%
Jul1,300 cfs79%
Aug1,190 cfs72%
Sep980 cfs59%
Oct1,140 cfs69%
Nov1,330 cfs80%
Dec1,760 cfs106%

Medians from the USGS daily-statistics record, 1930 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The New River reaches flood stage at this gauge at 16 feet. NWS starts watching it at 14 feet. The highest crest on record is 38.1 feet, in August 1940.

NWS flood categories
CategoryGage height
Action14 ft
Minor flooding16 ft
Moderate flooding19 ft
Major flooding24 ft
Highest crests on record
WhenCrest
August 194038.1 ft
July 191634.8 ft
September 202433.1 ft
November 197728.1 ft
May 202020.8 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge IVNV2. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 03165500. Percentile context computed against the gauge's period of record. Not for navigation.

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