Go To Search
Click to Home
Site Tools
Major Watersheds in Loudoun County
Major Watersheds
Watershed Name
Drainage Area
(square miles)
Drainage Area in
Loudoun County
(square miles)
Drains to Which Watershed
Beaverdam Creek
53.3
53.5
North Fork Goose Creek
Broad Run
77.6
67.5
Potomac River
Bull Run
93.2
14.6
Occoquan Reservoir
Catoctin Creek
92.4
92.4
Potomac River
Clarks Run
6.9
6.9
Potomac River
Cub Run
52.8
14.0
Lower Bull Run
Direct to Potomac
37.0
37.0
Potomac River
Dutchman Creek
12.9
12.9
Potomac River
Limestone Branch
16.1
16.1
Potomac River
Lower Goose Creek
119.8
89.2
Potomac River
North Fork Catoctin Creek
44.4
44.4
Catoctin Creek
North Fork Goose Creek
44.4
44.4
Lower Goose Creek
Piney Run
14.8
14.8
Potomac River
Quarter Branch
2.9
2.9
Potomac River
South Fork Catoctin Creek
33.0
33.0
Catoctin Creek
Sugarland Run
19.8
6.0
Potomac River
Upper Goose Creek
168.5
48.8
Lower Goose Creek


Loudoun On
Site Tools