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Rappahannock River near Fredericksburg, VA Water Level Today

Virginia · USGS gauge 01668000 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 01668000 sits on the Rappahannock River and reads everything draining 1,595 square miles of the Lower Rappahannock basin. Its datum sits 64 feet above sea level NAVD88. Daily flow has been on record here since 1907, 119 years of it.

Where this gauge sits in the drainage

One gauged site sits upstream of here. The closest is Rappahannock River at Remington, VA, reading 619 square miles. This gauge adds the 976 square miles that drain in between.

Normal flows here

The Rappahannock River runs a median of 934 cfs at this gauge across 119 years of record. March is the fullest month at a median 1,790 cfs, and September the leanest at 339 cfs. The highest daily mean on record is 127,000 cfs in 1943, and the lowest is 5.0 cfs in 1931.

Median flow by month
MonthMedian flowShare of annual median
Jan1,420 cfs152%
Feb1,700 cfs182%
Mar1,790 cfs192%
Apr1,565 cfs168%
May1,260 cfs135%
Jun846 cfs91%
Jul522 cfs56%
Aug428 cfs46%
Sep339 cfs36%
Oct424 cfs45%
Nov684 cfs73%
Dec1,060 cfs114%

Medians from the USGS daily-statistics record, 1907 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Rappahannock River reaches flood stage at this gauge at 13 feet. NWS starts watching it at 10 feet. The highest crest on record is 25.9 feet, in October 1942.

NWS flood categories
CategoryGage height
Action10 ft
Minor flooding13 ft
Moderate flooding16 ft
Major flooding23 ft
Highest crests on record
WhenCrest
October 194225.9 ft
April 193725.1 ft
June 197222.6 ft
September 199618 ft
June 201817.6 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge FDBV2. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 01668000. Percentile context computed against the gauge's period of record. Not for navigation.

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