Little Patuxent River at Allview

Highest listed crest 284.53 ftFlood stage 280.0 ft4 crests since 2011

The Little Patuxent River at Allview crested at major flood stage 1 time among the 4 crests the National Weather Service lists from 2011 to 2018. The highest, 284.53 ft on May 28, 2018, was major flooding, 4.53 feet above flood stage. 3 other gauges on the Little Patuxent River crested above flood stage within a week of it, 1 at its own highest listed crest.

The gauge

Highest listed crest: 284.53 ft; May 28, 2018
Flood stage: 280.0 ft; Major flooding from 283.0 ft
Crests at major: 1; 32nd of 108 gauges in Maryland
Most recent flood crest: June 4, 2018; 280.39 ft, minor flooding
Location: Howard County; Near Laurel (6.0 mi), Greenbelt (13.0 mi), College Park (13.5 mi)
Identifiers: NWS SMPM2; No USGS station

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Little Patuxent River at Allview

Action stage	278.0	0	—	The level at which the NWS or its partners begin to take action
Flood stage (minor)	280.0	2	Jun 4, 2018	Minimal or no property damage, but possibly some public threat
Moderate flood stage	281.0	0	—	Some inundation of structures and roads near the stream
Major flood stage	283.0	1	May 28, 2018	Extensive inundation of structures and roads

Every listed crest

4 crests from 2011 to 2018. Filled: at or above flood stage. Hover a crest for its date and stage.

These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Little Patuxent River at Allview

1	May 28, 2018	284.53	+4.53	Major	—
2	Jun 4, 2018	280.39	+0.39	Minor	—
3	Sep 7, 2011	280.23	+0.23	Minor	—
4	Aug 28, 2011	276.43	−3.57	Below flood stage	—

The worst floods along the Little Patuxent River

For this gauge's highest crests, the other gauges on the Little Patuxent River that crested above flood stage within a week.

May 28, 2018: 284.53 ft here, major flooding

SavageMD · May 28, 2018 · 16.31 ft · Moderate
Lake KittamaqundiMD · May 28, 2018 · 303.76 ft · Minor · its highest
GuilfordMD · May 28, 2018 · 15.23 ft · Minor

June 4, 2018: 280.39 ft here, minor flooding

SavageMD · May 28, 2018 · 16.31 ft · Moderate
Lake KittamaqundiMD · May 28, 2018 · 303.76 ft · Minor · its highest
GuilfordMD · May 28, 2018 · 15.23 ft · Minor

September 7, 2011: 280.23 ft here, minor flooding

SavageMD · Sep 7, 2011 · 16.15 ft · Moderate
GuilfordMD · Sep 7, 2011 · 14.06 ft · Minor

Gauges on the Little Patuxent River

Flood gauges sharing the river's name, linked within 80 miles of one another.

Flood gauges on the Little Patuxent River

Allview this gauge	MD	280.0	284.53 ft, May 28, 2018	1
Lake Kittamaqundi	MD	298.5	303.76 ft, May 28, 2018	0
Guilford	MD	12.0	18.38 ft, Jun 22, 1972	0
Savage	MD	10.0	25.40 ft, Jun 22, 1972	1

Other gauges in Howard County

Flood gauges in Howard County

Rogers Avenue at Ellicott City	258.0	261.06 ft, May 27, 2018	1
Lake Kittamaqundi	298.5	303.76 ft, May 28, 2018	0
Guilford	12.0	18.38 ft, Jun 22, 1972	0
Savage	10.0	25.40 ft, Jun 22, 1972	1
Elkridge at Patapsco Valley State Park	15.0	24.76 ft, May 27, 2018	4
Elkridge below Patapsco Valley State Park	16.0	21.38 ft, Aug 4, 2018	0
Duckett Dam near Laurel	9.5	25.00 ft, Jun 22, 1972	0

Howard County: every hazard · River floods across the country · Maryland

NOAA National Water Prediction Service, gauge SMPM2, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.