Patapsco River near Elkridge at Patapsco Valley State Park
Flood levels
Official flood levels at this gauge: action stage begins at 10.0 ft; minor flooding begins at 15.0 ft; moderate flooding begins at 19.0 ft; major flooding begins at 21.0 ft.
| Action stage | 10.0 ft |
|---|---|
| Minor flooding | 15.0 ft |
| Moderate flooding | 19.0 ft |
| Major flooding | 21.0 ft |
Highest recorded crests
- 24.8 ft on May 27, 2018 (historic crest)
- 23.8 ft on Jul 31, 2016 (historic crest)
- 21.7 ft on Sep 7, 2011 (historic crest)
- 21.1 ft on Apr 30, 2014 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 9.0 ft | Water spills over the banks but no impacts are observed. |
|---|---|
| 10.0 ft | Water begins to cover riverside trails in Patapsco Valley State Park. |
| 15.0 ft | Water begins to cover a portion of River Road in Patapsco Valley State Park. Large portions of the park begin to flood near the playground off Gunn Road. |
| 17.0 ft | A low spot near the end of Levering Avenue begins to flood. |
| 19.0 ft | Water covers the entrance park at Patapsco Valley State Park. |
| 20.0 ft | Washington Boulevard begins to flood at the Elkridge/Halethorpe border. |
| 21.0 ft | Water approaches structures. |
Forecast office: NWS Sterling · River Forecast Center: Middle Atlantic River Forecast Center.
Patapsco River near Elkridge at Patapsco Valley State Park in your pocket
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Nearby stations and gauges
- Patapsco River near Elkridge below Patapsco Valley State Park NWS gauge · 1.3 mi
- East Branch Herbert Run at Arbutus NWS gauge · 1.9 mi
- Patapsco River near Catonsville NWS gauge · 2.8 mi
- Maidens Choice Run at Westgate in Baltimore NWS gauge · 3.8 mi
- Maidens Choice Run at Wilhelm Park in Baltimore NWS gauge · 4.5 mi
- Patapsco River at Ellicott City NWS gauge · 4.7 mi