Nearby River & Lake Information

Olney, Maryland, United States (20830)  Lat: 39.15N, Lon: 77.07W Wx Zone: MDZ009 Toggle Map   Large Map   US Map Critical Stages Normal Action Flood Moderate Flood Major Flood Old Data Location Stage Condition Antietam Creek   Sharpsburg - Gauge SACM2 2.72 ft Normal   Goose Creek   Leesburg - Gauge LEEV2 2.17 ft Normal   Monocacy River   Frederick - Gauge FDKM2 4.30 ft Normal   Patapsco River   Baltimore - Gauge BLTM2 1.63 ft Normal   Potomac River   Alexandria - Gauge AXTV2 1.88 ft Normal   Harpers Ferry - Gauge HFEW2 3.32 ft Normal   Point Of Rocks - Gauge PORM2 2.95 ft Normal   Washington Dc (Little Falls) - Gauge BRKM2 4.03 ft Normal   Washington/Sw Waterfront - Gauge WASD2 3.22 ft Normal   Wisconsin Ave - Gauge GTND2 -999.00 ft Old Data   Seneca Creek   Dawsonville - Gauge DAWM2 2.77 ft Normal   Severn River   Annapolis - Gauge APAM2 1.25 ft Normal   Shenandoah River   Millville - Gauge MILW2 -999.00 ft Old Data Data provided by NOAA Advanced Hydrologic Prediction Service

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