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Little Lehigh Creek near Allentown — water level right now

Lehigh County, Pennsylvania · NWS gauge ALLP1
Loading the latest reading…
–
current stage (ft)
 
5
minor flood stage
 
12.76
record crest
set 2020-08-04
–
flood status
official NWS category
Official NOAA forecast → USGS data → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

action · 4
minor · 5
moderate · 8
major · 10
Flood stageLevel (ft)What it means
Major flood stage10extensive inundation and significant evacuations — a serious event
Moderate flood stage8some buildings and roads inundated; evacuations possible
Minor flood stage5low-lying roads and fields near the river start to flood
Action stage4water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
112.762020-08-04+7.76 above
211.81972-06-22+6.8 above
310.932005-10-08+5.93 above
410.761979-01-25+5.76 above
510.632004-09-18+5.63 above
69.822021-09-02+4.82 above
79.682011-08-28+4.68 above
89.51935-07-09+4.5 above
98.622018-11-03+3.62 above
108.341987-09-08+3.34 above
117.722024-01-10+2.72 above
127.692005-04-03+2.69 above

Historic crests recorded at this gauge by the National Weather Service — the 12 highest on file.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Little Lehigh Creek at Allentown 1 mi away · loading… Jordan Creek at Allentown 3 mi away · loading… Lehigh River at Bethlehem 6 mi away · loading… Little Lehigh Creek near Trexlertown 7 mi away · loading… Spring Creek (PA) at Trexlertown 7 mi away · loading… Perkiomen Creek at East Greenville 13 mi away · loading…

Gauge details

NWS gauge IDALLP1
USGS site01451500
CountyLehigh
StatePennsylvania
NWS forecast officeMount Holly
River forecast centerMiddle Atlantic River Forecast Center
Coordinates40.582, -75.483
Time zoneEST5EDT
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about Little Lehigh Creek near Allentown

Is Little Lehigh Creek near Allentown flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 5 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Little Lehigh Creek near Allentown?

major flood stage 10 ft, moderate flood stage 8 ft, minor flood stage 5 ft, action stage 4 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Little Lehigh Creek near Allentown?

The highest crest on file at this gauge is 12.76 ft, reached on 2020-08-04 — that is 7.76 ft above minor flood stage. The full list of the highest crests is in the table on this page.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Mount Holly and local emergency management.