TornadoLiveMap

Difficult Run at Browns Mill Road / Wolf Trap — water level right now

Fairfax County, Virginia · NWS gauge DRBV2
Loading the latest reading…
–
current stage (ft)
 
195
minor flood stage
 
196.37
record crest
set 2025-07-13
–
flood status
official NWS category
Official NOAA forecast → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

action · 194.3
minor · 195
Flood stageLevel (ft)What it means
Minor flood stage195low-lying roads and fields near the river start to flood
Action stage194.3water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
1196.372025-07-13+1.37 above
2196.242022-08-11+1.24 above
3196.092022-05-07+1.09 above
4196.032022-07-09+1.03 above
5195.892021-10-26+0.89 above
6195.852020-04-13+0.85 above
7195.62020-01-25+0.6 above
8195.512021-10-29+0.51 above
9195.452019-11-01+0.45 above
10195.052022-05-23+0.05 above
11195.012025-05-14+0.01 above

Historic crests recorded at this gauge by the National Weather Service — the 12 highest on file.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Difficult Run near Great Falls 3 mi away · loading… Dead Run near McLean 6 mi away · loading… Holmes Run at Fairview Lake 7 mi away · loading… Accotink Creek at Woodburn Road / Strathmeade Springs 8 mi away · loading… Four Mile Run at HWY 29 8 mi away · loading… Tripps Run at Falls Church, VA 8 mi away · loading…

Gauge details

NWS gauge IDDRBV2
CountyFairfax
StateVirginia
NWS forecast officeSterling
River forecast centerMiddle Atlantic River Forecast Center
Coordinates38.953, -77.291
Time zoneEST5EDT
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about Difficult Run at Browns Mill Road / Wolf Trap

Is Difficult Run at Browns Mill Road / Wolf Trap flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 195 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Difficult Run at Browns Mill Road / Wolf Trap?

minor flood stage 195 ft, action stage 194.3 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Difficult Run at Browns Mill Road / Wolf Trap?

The highest crest on file at this gauge is 196.37 ft, reached on 2025-07-13 — that is 1.37 ft above minor flood stage. The full list of the highest crests is in the table on this page.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Sterling and local emergency management.