TidalMap
Explore this water on the live chart →

Middle River near Grottoes, VA Water Level Today

Virginia · USGS gauge 01625000 · live data · Updated Oct 28, 2026

Loading…

About this gauge

USGS gauge 01625000 sits on the Middle River and reads everything draining 373 square miles of the South Fork Shenandoah basin. Its datum sits 1,061 feet above sea level NAVD88. Daily flow has been on record here since 1928, 98 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 South Fork Shenandoah River near Lynnwood, VA at 1,079 square miles, so what passes this gauge is about 35% of the water measured there.

Normal flows here

The Middle River runs a median of 190 cfs at this gauge across 98 years of record. March is the fullest month at a median 383 cfs, and September the leanest at 108 cfs. The highest daily mean on record is 26,000 cfs in 1986, and the lowest is 18 cfs in 2002.

Median flow by month
MonthMedian flowShare of annual median
Jan244 cfs128%
Feb323 cfs170%
Mar383 cfs201%
Apr313 cfs164%
May267 cfs140%
Jun184 cfs96%
Jul140 cfs73%
Aug120 cfs63%
Sep108 cfs57%
Oct110 cfs58%
Nov132 cfs70%
Dec202 cfs106%

Medians from the USGS daily-statistics record, 1928 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Middle River reaches flood stage at this gauge at 12 feet. NWS starts watching it at 10 feet. The highest crest on record is 35.6 feet, in September 1996.

NWS flood categories
CategoryGage height
Action10 ft
Minor flooding12 ft
Moderate flooding23 ft
Major flooding26 ft
Highest crests on record
WhenCrest
September 199635.6 ft
November 198533.1 ft
March 193628.6 ft
October 194226.3 ft
May 192422.8 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge GROV2. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 01625000. Percentile context computed against the gauge's period of record. Not for navigation.

Open Middle River near Grottoes, VA on the live chart →

River pins, dam-release overlays and wadability lines live in the app, start a free TidalMap trial.