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Little Patuxent River below Lake Kittamaqundi

National Weather Service gauge CSEM2 · Maryland · Howard County · 39.2078, -76.8572

Flood levels

Official flood levels at this gauge: action stage begins at 295.5 ft; minor flooding begins at 298.5 ft.

Action stage295.5 ft
Minor flooding298.5 ft

Highest recorded crests

What the water does

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

295.5 ftWater reaches the underside of the South Entrance Road bridge. No flooding is yet occurring.
298.5 ftThe river is overtopping the South Entrance Road bridge and flooding of the roadway is occurring.
302.0 ftUS Route 29 begins to flood near Columbia Town Center.

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

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