Rivers in Maryland

Patapsco River at Hollofield

Baltimore County, MarylandNWS PRHM2USGS 01589000Sterling office

Below flood stage
1.55ftStage

Observed Mon, Sep 21, 3:15 AM EDT

Flood stage
11.00 ft
Record crest
31.30 ft1972

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood25.00 ft
Moderate flood19.00 ft
Minor flood11.00 ft
Action9.00 ft
  1. 25.00 ftWater covers the bridge at Hollofield Road, and crosses the railroad tracks in spots.
  2. 19.00 ftMultiple roads are flooded near Hollofield. Backwater flooding of Dogwood Run is also occurring.
  3. 11.00 ftHollofield Road begins to flood.

Crest history

20 crests on NOAA’s list since 1933.

#DateStage
1June 22, 197231.30 ft
2September 26, 197522.80 ft
3August 1, 193319.50 ft
4July 21, 195615.88 ft
5July 31, 201614.24 ft
6April 30, 201413.25 ft
7September 7, 201112.62 ft
8June 2, 194611.62 ft
9December 11, 200311.62 ft
10September 12, 197111.01 ft
11January 31, 201310.85 ft
12May 26, 195210.69 ft
13May 6, 198910.22 ft
14June 3, 20189.87 ft
15April 27, 19529.76 ft
16November 22, 19529.72 ft
17September 6, 19799.51 ft
18September 1, 19529.25 ft
19October 1, 19799.20 ft
20July 18, 19459.01 ft

Most recent crests

  • June 3, 2018: 9.87 ft
  • July 31, 2016: 14.24 ft
  • April 30, 2014: 13.25 ft
  • January 31, 2013: 10.85 ft
  • September 7, 2011: 12.62 ft
  • December 11, 2003: 11.62 ft
  • May 6, 1989: 10.22 ft
  • October 1, 1979: 9.20 ft
  • September 6, 1979: 9.51 ft
  • September 26, 1975: 22.80 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Middle Atlantic River Forecast Center. Forecasts are not available. Only observed stages are available for this point. Stage may be affected by ice.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.