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Calleva's River School

Broad Run near Poolesville, MD

Stream6.7 mi
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Around here

Around Broad Run

Chisel Branch Hiker-Biker Overnight…2.9 miTurtle Run Hiker-Biker Campsite3.2 mi1 mi

Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US

About this river

Broad Run is a 6.7 mile stream near Calleva's River School in Maryland. Streamflow is measured at the USGS gauge Broad Run near Leesburg, VA (site 01644280). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

2002 to 2026

Broad Run typically runs highest in February, at a median 75 cfs, and lowest in September, at 23 cfs. The highest flow on record for any single day is 10,300 cfs, in 2008.

Show the numbers
Typical flow by month at Broad Run near Leesburg, VA, in cfs
MonthTypical (cfs)Usual range (cfs)
January5837 to 105
February7544 to 151
March7045 to 125
April5636 to 111
May5732 to 140
June4224 to 98
July3319 to 67
August2716 to 60
September2314 to 65
October2918 to 60
November4124 to 83
December6129 to 120

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 25 years of record. Statistics published by the US Geological Survey for Broad Run near Leesburg, VA (site 01644280). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.

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