Tidora

Patapsco River at Hollofield

National Weather Service gauge PRHM2 · Maryland · Baltimore County · 39.3103, -76.7925 · USGS 01589000

Flood levels

Official flood levels at this gauge: action stage begins at 9.0 ft; minor flooding begins at 11.0 ft; moderate flooding begins at 19.0 ft; major flooding begins at 25.0 ft.

Action stage9.0 ft
Minor flooding11.0 ft
Moderate flooding19.0 ft
Major flooding25.0 ft

Highest recorded crests

What the water does

National Weather Service impact statements for this gauge, in the Weather Service's own words.

11.0 ftHollofield Road begins to flood.
19.0 ftMultiple roads are flooded near Hollofield. Backwater flooding of Dogwood Run is also occurring.
25.0 ftWater covers the bridge at Hollofield Road, and crosses the railroad tracks in spots.

Forecast office: NWS Sterling · River Forecast Center: Middle Atlantic River Forecast Center.

Tidora wave T logo

Patapsco River at Hollofield in your pocket

Tidora puts this spot on your Home Screen and Lock Screen with free widgets, and sends free flood alerts before the water reaches the levels that matter to you. No account, no subscription needed for either.

Download Tidora on the App Store

Tidora is preparing for launch; these pages go fully live when the app ships.

Nearby stations and gauges