RIVER GAUGE · LITTLE PATUXENT RIVER
Little Patuxent River below Lake Kittamaqundi
Howard County, Maryland
Water level289.27 ft
Flow—
Last readingSep 16, 2026, 4:50 PM UTC (last recorded)
Action295.5 ft
Minor flood298.5 ft
The past week
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What floods at each level
- 302 ft
US Route 29 begins to flood near Columbia Town Center.
- 298.5 ft
The river is overtopping the South Entrance Road bridge and flooding of the roadway is occurring.
- 295.5 ft
Water reaches the underside of the South Entrance Road bridge. No flooding is yet occurring.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| May 27, 2018 | 303.76 ft | — |
| Jun 3, 2018 | 298.63 ft | — |
More on Little Patuxent River
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