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Potomac River Basin Data Summary

Lake Data
Gage Date/Time Latest
Storage
(ac-ft)
Elevation (ft)
Latest Normal Pool Spillway Crest 6 Hour Change 24 Hour Change
Randolph 12Oct2026, 01:15 73212 1446.22 1466.0 1500.0 1.19 2.64
Savage 12Oct2026, 01:00 10936 1441.19 1455.6 1468.5 0.58 1.10

 

Inflow Gages
Gage Date/Time Latest
Flow (cfs)
Stage (ft)
Latest Flood 6 Hour Change 24 Hour Change
Kitzmiller 12Oct2026, 01:15 2370 5.7 9.0 0.0 3.4
Barton 12Oct2026, 01:15 956 3.6 -- 1.7 2.7

 

Outflow Gages
Gage Date/Time Latest
Flow (cfs)
Stage (ft)
Latest Flood 6 Hour Change 24 Hour Change
Barnum 12Oct2026, 01:15 305 3.2 -- 0.0 0.0
DS Savage 12Oct2026, 01:15 58 0.8 -- 0.0 0.0

 

Downstream Gages
Gage Date/Time Latest
Flow (cfs)
Stage (ft)
Latest Flood 6 Hour Change 24 Hour Change
Luke 12Oct2026, 01:00 476 2.1 10.5 -0.1 0.2
Cumberland 12Oct2026, 01:15 2021 4.1 17.0 0.4 1.5
Pawpaw 12Oct2026, 01:15 3528 6.8 25.0 1.8 3.1
Hancock 12Oct2026, 01:15 1857 4.0 30.0 0.3 1.1
Shepherdstown 12Oct2026, 01:30 1577 2.2 15.0 -0.0 0.4
Point of Rocks 12Oct2026, 00:45 2877 1.8 16.0 0.0 0.7
Washington 12Oct2026, 00:45 6765 3.6 10.0 0.1 0.9

 

Other Stream Gages
Gage Date/Time Latest
Flow (cfs)
Stage (ft)
Latest Flood 6 Hour Change 24 Hour Change
Oakmont 12Oct2026, 01:15 552 4.7 -- -0.3 2.0
Steyer 12Oct2026, 01:15 1190 4.8 -- 0.8 2.6
Wills Creek 12Oct2026, 01:00 748 4.0 10.0 0.0 2.1
Springfield 12Oct2026, 00:30 2885 4.3 15.0 2.5 3.2
Millville 12Oct2026, 01:30 775 1.7 13.5 0.0 0.4
Frederick 12Oct2026, 00:30 2296 5.1 15.0 0.7 3.8
Bridgeport 12Oct2026, 00:30 1760 6.4 -- 3.2 4.3
MoorefieldSFSB 12Oct2026, 01:15 2193 6.1 10.0 2.1 3.4
Petersburg 12Oct2026, 01:00 8369 10.1 14.0 1.4 5.8
Brandywine 12Oct2026, 01:00 1407 5.0 -- 0.5 3.6
Cootes Store 12Oct2026, 01:15 2436 6.9 15.0 -1.0 4.5
FranklinSB 12Oct2026, 01:30 779 3.8 -- -0.7 2.2
Great Cacapon 12Oct2026, 00:30 205 1.9 -- 0.1 0.5
Headsville 12Oct2026, 00:30 1455 6.8 -- 2.3 3.8
Hyndman 12Oct2026, 01:15 430 3.0 -- -0.1 1.3
Martinsburg 12Oct2026, 01:00 1334 6.3 -- 3.6 4.7
Needmore 12Oct2026, 01:00 15 3.4 -- -0.2 0.8

 

Precipitation Data
Gage Date/Time 6 Hour (in) 24 Hour (in) 48 Hour (in)
Kitzmiller 12Oct2026, 01:15 0.06 1.22 1.42
Randolph 12Oct2026, 01:15 0.45 2.43 2.64
Savage 12Oct2026, 01:00 0.27 1.92 2.13
Cumberland 12Oct2026, 01:15 0.40 2.39 2.59
Clarksburg 12Oct2026, 01:15 0.31 3.60 3.60
Dailey 12Oct2026, 01:00 0.13 1.43 1.52
Davis 12Oct2026, 00:30 0.87 2.35 2.60
Hendricks 12Oct2026, 00:30 0.10 1.50 1.72
Huttonsville 11Oct2026, 13:30 0.49 1.17 1.17
Grantsville 12Oct2026, 01:30 0.14 1.54 1.89
Markleton 12Oct2026, 00:30 0.01 1.26 1.37
Oakland 12Oct2026, 01:15 0.02 1.27 1.48
Slidell 12Oct2026, 01:15 0.11 2.44 2.44

 

Water Temperature Data
Gage Date/Time Latest (F) 24 Hour High (F) 24 Hour Low (F)
Barton 12Oct2026, 01:00 55.1 55.1 53.8
DS Savage 12Oct2026, 01:15 63.5 64.6 63.5
Barnum 12Oct2026, 01:15 56.3 57.0 56.2

 

Last Updated: 12Oct2026, 01:40