Is the Patapsco River flooding?

Maryland · 3 gauges · Maryland river levels

The Patapsco River is tracked by 3 USGS streamgauges in Maryland. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Patapsco River is running normal, rising toward flood stage, or already flooding. 3 of 3 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Maryland river levels.

data refreshed 15 min ago

Readings may be delayed; check each observation time below. This gauge summary does not rule out flooding on unmonitored stretches or nearby streets.

River facts

The longest-running gauge on this river is Patapsco River at Hollofield, MD. The highest level ever recorded there was 31.30 ft on 22 June 1972, carrying 80,600 cfs. Peak records there go back to 1933 (69 annual peaks). It is currently at 1.49 ft, 29.8 ft below that record.

Drains 285 sq mi · gauge elevation 187 ft · source: USGS peak-flow record

GaugeStatusStageFlood stageUpdated
Patapsco River at Hollofield, MDNo flooding1.49 ft11 ft
Patapsco River near Catonsville, MDNo flooding10.15 ft20 ft
Patapsco River near Elkridge, MDNo flooding5.36 ft15 ft
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.