Little Patuxent River near Guilford
Flood levels
Official flood levels at this gauge: action stage begins at 8.0 ft; minor flooding begins at 12.0 ft; moderate flooding begins at 16.0 ft; major flooding begins at 20.0 ft.
| Action stage | 8.0 ft |
|---|---|
| Minor flooding | 12.0 ft |
| Moderate flooding | 16.0 ft |
| Major flooding | 20.0 ft |
Highest recorded crests
- 18.4 ft on Jun 22, 1972 (historic crest)
- 15.2 ft on May 28, 2018 (historic crest)
- 15.1 ft on Jun 25, 2006 (historic crest)
- 15.0 ft on Jul 31, 2016 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 8.0 ft | Several parts of the Patuxent Branch Trail start to flood near the Little Patuxent River. |
|---|---|
| 9.5 ft | Large parts of the Patuxent Branch Trail are completely flooded along with several trail bridges between Old Guilford Road and South Carlinda Avenue. |
| 12.0 ft | Water covers the bridge at South Entrance Road. Several trail bridges also begin to flood. |
| 13.0 ft | Water approaches the very end of Owen Brown Road. |
| 15.0 ft | Floodwater approaches US 29 in Columbia and begins to cover Vollmerhausen Road near Savage. |
| 18.0 ft | Water begins to cover the US 29 southbound bridge over the Little Patuxent in Columbia. Water approaches homes in a neighborhood just downstream. |
| 20.0 ft | Both US 29 bridges over the Little Patuxent are flooded. Water covers several other roads and numerous trails and footbridges near the river. |
Forecast office: NWS Sterling · River Forecast Center: Middle Atlantic River Forecast Center.
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Nearby stations and gauges
- Little Patuxent River at Allview NWS gauge · 0.9 mi
- Unnamed Tributary at Retention Pond near Columbia Gateway NWS gauge · 2.3 mi
- Little Patuxent River below Lake Kittamaqundi NWS gauge · 2.8 mi
- Little Patuxent River near Savage NWS gauge · 3.0 mi
- Patuxent River below Duckett Dam near Laurel NWS gauge · 3.8 mi
- Patuxent River at 9th Street in Laurel NWS gauge · 4.0 mi