Perkiomen Creek at Graterford water level

Name: Perkiomen Creek at Graterford water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Perkiomen Creek, Pennsylvania, United States

Directions

Below flood stage

Water level

1.23ft Down 0.04 ft over the last 24 hours

Measured Oct 19, 2026, 05:30 PM EDT (36 min ago)

Flow: 125 cfs
Water temperature: 58 °F

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to fall to 1.10 ft by Tuesday, October 20 at 08:00 AM. Issued Monday, October 19 at 10:24 AM by NOAA National Weather Service.

What this means

Water levels are unremarkable at Perkiomen Creek at Graterford, where the gauge shows 1.23 ft.

It is 9.77 ft below the flood stage of 11.00 ft.

It is still going down, by 0.04 ft over the past 24 hours. The forecast expects the river to fall to 1.10 ft by Tuesday, October 20 at 08:00 AM. The 30-day range is 1.23 ft – 1.39 ft.

The sensor also reports a water temperature of 58 °F.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 24.23 ftSeptember 2, 2021
Forecast peak: 1.20 ftMonday, October 19 at 02:00 PM

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 11.00 ft.

What happens at each level

19.00 ft: The Schwenksville Sewer and Water Plant floods as does Route 73/Haldeman Road.
18.00 ft: Smaller tributaries are affected by high water from the Perkiomen. Flooding is possible near the Route 113 Bridge in Perkiomen Township.
16.00 ft: Collegeville businesses on Route 29, between East Ninth Avenue and East Main Street, begin to take on water.
15.00 ft: East Main Street in Collegeville floods.
14.00 ft: Storm sewers back up in Collegeville and flood Route 29.
13.00 ft: First Avenue in Collegeville becomes impassable.
12.00 ft: Portions of Central Perkiomen Park in Collegeville are flooded. Flood waters expand onto and to the west of First Avenue in Collegeville.
11.00 ft: Graterford Road and Penitentiary Bridge are closed due to flooding.
8.00 ft: Park Avenue in Schwenksville is flooded. The Perkiomen Trail is flooded in Perkiomen Township at Plank Road and Route 113.
1.23 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: 17 %.

Rank	Level	Date
1	24.23 ft	September 2, 2021
2	19.32 ft	August 5, 2020
3	18.26 ft	July 9, 1935
4	18.20 ft	August 28, 2011
5	17.08 ft	June 22, 1972
6	16.65 ft	August 23, 1933
7	16.59 ft	September 16, 1999
8	16.45 ft	January 19, 1996
9	16.20 ft	May 1, 2014
10	16.20 ft	June 2, 1946

Weather at the gauge

No rain in the last 3 days.

18 Sun 58° 36° – Wind 11 mph

19 Mon 63° 39° – Wind 12 mph

20 Tue 66° 44° – Wind 12 mph

21 Wed 62° 44° – Wind 13 mph

22 Thu 65° 41° – Wind 12 mph

23 Fri 61° 44° – Wind 7 mph

24 Sat 60° 38° – Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:17 AM Sunset 06:18 PM Daylight 11 hr First quarter 62%

Map

Other gauges on Perkiomen Creek

Gauge	Level	Compared with normal	24 hours	Distance
Perkiomen Creek at East GreenvilleRiver gauge, Perkiomen Creek	1.87 ft	Below flood stage	−0.02 ft	12 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
East Branch Perkiomen Creek near SchwenksvilleRiver gauge, East Branch Perkiomen Creek	2.74 ft	Below flood stage	−0.02 ft	2.3 mi
Stony Creek at Sterigere Street at NorristownRiver gauge, Stony Creek	12.3 cfs	Normal	−0.5 cfs	9 mi
Schuylkill River at NorristownRiver gauge, Schuylkill River	8.25 ft	Below flood stage	−0.08 ft	9 mi
French Creek near PhoenixvilleRiver gauge, French Creek	39.3 cfs	Normal	−1.9 cfs	10 mi
Valley Creek at PA Turnpike Br near Valley ForgeRiver gauge, Valley Creek	3.24 ft	Below flood stage	+0.02 ft	10 mi
Schuylkill River at PottstownRiver gauge, Schuylkill River	2.53 ft	Below flood stage	−0.13 ft	11 mi
West Branch Perkiomen Creek at HillegassRiver gauge, West Branch Perkiomen Creek	0.56 ft	Below flood stage	−0.02 ft	11 mi
NB Neshaminy Creek at ChalfontRiver gauge, NB Neshaminy Creek	28.5 cfs	High	+3.4 cfs	14 mi

Questions and answers

What is flood stage for Perkiomen Creek at Graterford?

The official flood stage is 11.00 ft. The level is currently 9.77 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Perkiomen Creek at Graterford today?

On Oct 19, 2026, 05:30 PM EDT, the water level was 1.23 ft. Down 0.04 ft over the last 24 hours.

Is Perkiomen Creek at Graterford rising or falling?

Down 0.04 ft over the last 24 hours.

Is the level of Perkiomen Creek at Graterford normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Perkiomen Creek at Graterford?

The highest level on record is 24.23 ft on September 2, 2021.

Is Perkiomen Creek at Graterford expected to rise?

The forecast expects the river to fall to 1.10 ft by Tuesday, October 20 at 08:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01473000 (Agency page)
Coordinates: 40.22955, -75.45157 (WGS84)
Vertical datum: NGVD29
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	1.23 ft	2026-10-19 21:30	Provisional
Flow	125 cfs	2026-10-19 21:30	Provisional
Water temperature	58 °F	2026-10-19 21:15	Provisional

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How to cite

U.S. Geological Survey: Perkiomen Creek at Graterford (usgs:01473000). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/perkiomen-creek-at-graterford

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer