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Hydrograph River at a Glance Download
Perkiomen Creek at East Greenville Stage (ft)Flow (kcfs)Highest Observation: 2.99 ft at 11:45PM May 20, 2022Observed: 2.95 ft at 12:00AM May 21, 2022Observed: 2.92 ft at 12:15AM May 21, 2022Observed: 2.88 ft at 12:30AM May 21, 2022Observed: 2.85 ft at 12:45AM May 21, 2022Observed: 2.82 ft at 1:00AM May 21, 2022Observed: 2.8 ft at 1:15AM May 21, 2022Observed: 2.77 ft at 1:30AM May 21, 2022Observed: 2.76 ft at 1:45AM May 21, 2022Observed: 2.74 ft at 2:00AM May 21, 2022Observed: 2.72 ft at 2:15AM May 21, 2022Observed: 2.7 ft at 2:30AM May 21, 2022Observed: 2.69 ft at 2:45AM May 21, 2022Observed: 2.68 ft at 3:00AM May 21, 2022Observed: 2.66 ft at 3:15AM May 21, 2022Observed: 2.65 ft at 3:30AM May 21, 2022Observed: 2.64 ft at 3:45AM May 21, 2022Observed: 2.63 ft at 4:00AM May 21, 2022Observed: 2.62 ft at 4:15AM May 21, 2022Observed: 2.61 ft at 4:30AM May 21, 2022Observed: 2.6 ft at 4:45AM May 21, 2022Observed: 2.6 ft at 4:46AM May 21, 2022Observed: 2.6 ft at 5:00AM May 21, 2022Observed: 2.6 ft at 5:01AM May 21, 2022Observed: 2.59 ft at 5:15AM May 21, 2022Observed: 2.59 ft at 5:16AM May 21, 2022Observed: 2.58 ft at 5:30AM May 21, 2022Observed: 2.58 ft at 5:31AM May 21, 2022Observed: 2.57 ft at 5:45AM May 21, 2022Observed: 2.57 ft at 6:00AM May 21, 2022Observed: 2.56 ft at 6:15AM May 21, 2022Observed: 2.55 ft at 6:30AM May 21, 2022Observed: 2.55 ft at 6:45AM May 21, 2022Observed: 2.54 ft at 7:00AM May 21, 2022Observed: 2.54 ft at 7:15AM May 21, 2022Observed: 2.53 ft at 7:30AM May 21, 2022Observed: 2.53 ft at 7:45AM May 21, 2022Observed: 2.52 ft at 8:00AM May 21, 2022Observed: 2.51 ft at 8:15AM May 21, 2022Observed: 2.51 ft at 8:30AM May 21, 2022Observed: 2.51 ft at 8:45AM May 21, 2022Observed: 2.5 ft at 9:00AM May 21, 2022Observed: 2.5 ft at 9:15AM May 21, 2022Observed: 2.49 ft at 9:30AM May 21, 2022Observed: 2.49 ft at 9:45AM May 21, 2022Observed: 2.49 ft at 10:00AM May 21, 2022Observed: 2.48 ft at 10:15AM May 21, 2022Observed: 2.48 ft at 10:30AM May 21, 2022Observed: 2.48 ft at 10:45AM May 21, 2022Observed: 2.47 ft at 11:00AM May 21, 2022Observed: 2.47 ft at 11:15AM May 21, 2022Observed: 2.47 ft at 11:30AM May 21, 2022Observed: 2.46 ft at 11:45AM May 21, 2022Observed: 2.46 ft at 12:00PM May 21, 2022Observed: 2.46 ft at 12:15PM May 21, 2022Observed: 2.46 ft at 12:30PM May 21, 2022Observed: 2.45 ft at 12:45PM May 21, 2022Observed: 2.45 ft at 1:00PM May 21, 2022Observed: 2.45 ft at 1:15PM May 21, 2022Observed: 2.44 ft at 1:30PM May 21, 2022Observed: 2.44 ft at 1:45PM May 21, 2022Observed: 2.44 ft at 2:00PM May 21, 2022Observed: 2.43 ft at 2:15PM May 21, 2022Observed: 2.43 ft at 2:30PM May 21, 2022Observed: 2.42 ft at 2:45PM May 21, 2022Observed: 2.42 ft at 3:00PM May 21, 2022Observed: 2.42 ft at 3:15PM May 21, 2022Observed: 2.41 ft at 3:30PM May 21, 2022Observed: 2.41 ft at 3:45PM May 21, 2022Observed: 2.41 ft at 4:00PM May 21, 2022Observed: 2.41 ft at 4:15PM May 21, 2022Observed: 2.4 ft at 4:30PM May 21, 2022Observed: 2.4 ft at 4:45PM May 21, 2022Observed: 2.39 ft at 5:00PM May 21, 2022Observed: 2.39 ft at 5:02PM May 21, 2022Observed: 2.39 ft at 5:15PM May 21, 2022Observed: 2.39 ft at 5:17PM May 21, 2022Observed: 2.39 ft at 5:30PM May 21, 2022Observed: 2.39 ft at 5:32PM May 21, 2022Observed: 2.38 ft at 5:45PM May 21, 2022Observed: 2.38 ft at 5:47PM May 21, 2022Observed: 2.38 ft at 6:00PM May 21, 2022Observed: 2.37 ft at 6:15PM May 21, 2022Observed: 2.37 ft at 6:30PM May 21, 2022Observed: 2.37 ft at 6:45PM May 21, 2022Observed: 2.36 ft at 7:00PM May 21, 2022Observed: 2.36 ft at 7:15PM May 21, 2022Observed: 2.35 ft at 7:30PM May 21, 2022Observed: 2.35 ft at 7:45PM May 21, 2022Observed: 2.35 ft at 8:00PM May 21, 2022Observed: 2.34 ft at 8:15PM May 21, 2022Observed: 2.34 ft at 8:30PM May 21, 2022Observed: 2.34 ft at 8:45PM May 21, 2022Observed: 2.34 ft at 9:00PM May 21, 2022Observed: 2.33 ft at 9:15PM May 21, 2022Observed: 2.33 ft at 9:30PM May 21, 2022Observed: 2.33 ft at 9:45PM May 21, 2022Observed: 2.33 ft at 10:00PM May 21, 2022Observed: 2.33 ft at 10:15PM May 21, 2022Observed: 2.32 ft at 10:30PM May 21, 2022Observed: 2.32 ft at 10:45PM May 21, 2022Observed: 2.32 ft at 11:00PM May 21, 2022Observed: 2.31 ft at 11:15PM May 21, 2022Observed: 2.31 ft at 11:30PM May 21, 2022Observed: 2.31 ft at 11:45PM May 21, 2022Observed: 2.31 ft at 12:00AM May 22, 2022Observed: 2.32 ft at 12:15AM May 22, 2022Observed: 2.32 ft at 12:30AM May 22, 2022Observed: 2.32 ft at 12:45AM May 22, 2022Observed: 2.32 ft at 1:00AM May 22, 2022Observed: 2.31 ft at 1:15AM May 22, 2022Observed: 2.31 ft at 1:30AM May 22, 2022Observed: 2.31 ft at 1:45AM May 22, 2022Observed: 2.31 ft at 2:00AM May 22, 2022Observed: 2.31 ft at 2:15AM May 22, 2022Observed: 2.31 ft at 2:30AM May 22, 2022Observed: 2.31 ft at 2:45AM May 22, 2022Observed: 2.31 ft at 3:00AM May 22, 2022Observed: 2.31 ft at 3:15AM May 22, 2022Observed: 2.31 ft at 3:30AM May 22, 2022Observed: 2.31 ft at 3:45AM May 22, 2022Observed: 2.31 ft at 4:00AM May 22, 2022Observed: 2.31 ft at 4:15AM May 22, 2022Observed: 2.31 ft at 4:30AM May 22, 2022Observed: 2.31 ft at 4:45AM May 22, 2022Observed: 2.31 ft at 5:00AM May 22, 2022Observed: 2.31 ft at 5:02AM May 22, 2022Observed: 2.31 ft at 5:15AM May 22, 2022Observed: 2.31 ft at 5:17AM May 22, 2022Observed: 2.31 ft at 5:30AM May 22, 2022Observed: 2.31 ft at 5:32AM May 22, 2022Observed: 2.3 ft at 5:45AM May 22, 2022Observed: 2.3 ft at 5:47AM May 22, 2022Observed: 2.31 ft at 6:00AM May 22, 2022Observed: 2.3 ft at 6:15AM May 22, 2022Observed: 2.3 ft at 6:30AM May 22, 2022Observed: 2.3 ft at 6:45AM May 22, 2022Observed: 2.3 ft at 7:00AM May 22, 2022Observed: 2.3 ft at 7:15AM May 22, 2022Observed: 2.3 ft at 7:30AM May 22, 2022Observed: 2.3 ft at 7:45AM May 22, 2022Observed: 2.3 ft at 8:00AM May 22, 2022Observed: 2.3 ft at 8:15AM May 22, 2022Observed: 2.3 ft at 8:30AM May 22, 2022Observed: 2.3 ft at 8:45AM May 22, 2022Observed: 2.3 ft at 9:00AM May 22, 2022Observed: 2.3 ft at 9:15AM May 22, 2022Observed: 2.3 ft at 9:30AM May 22, 2022Observed: 2.3 ft at 9:45AM May 22, 2022Observed: 2.3 ft at 10:00AM May 22, 2022Observed: 2.3 ft at 10:15AM May 22, 2022Observed: 2.3 ft at 10:30AM May 22, 2022Observed: 2.3 ft at 10:45AM May 22, 2022Observed: 2.29 ft at 11:00AM May 22, 2022Observed: 2.29 ft at 11:15AM May 22, 2022Observed: 2.29 ft at 11:30AM May 22, 2022Observed: 2.29 ft at 11:45AM May 22, 2022Observed: 2.29 ft at 12:00PM May 22, 2022Observed: 2.29 ft at 12:15PM May 22, 2022Observed: 2.29 ft at 12:30PM May 22, 2022Observed: 2.29 ft at 12:45PM May 22, 2022Observed: 2.29 ft at 1:00PM May 22, 2022Observed: 2.29 ft at 1:15PM May 22, 2022Observed: 2.29 ft at 1:30PM May 22, 2022Observed: 2.29 ft at 1:45PM May 22, 2022Observed: 2.29 ft at 2:00PM May 22, 2022Observed: 2.28 ft at 2:15PM May 22, 2022Observed: 2.28 ft at 2:30PM May 22, 2022Observed: 2.28 ft at 2:45PM May 22, 2022Observed: 2.28 ft at 3:00PM May 22, 2022Observed: 2.28 ft at 3:15PM May 22, 2022Observed: 2.28 ft at 3:30PM May 22, 2022Observed: 2.28 ft at 3:45PM May 22, 2022Observed: 2.28 ft at 4:00PM May 22, 2022Observed: 2.27 ft at 4:15PM May 22, 2022Observed: 2.27 ft at 4:30PM May 22, 2022Observed: 2.27 ft at 4:45PM May 22, 2022Observed: 2.27 ft at 5:00PM May 22, 2022Observed: 2.27 ft at 5:01PM May 22, 2022Observed: 2.27 ft at 5:15PM May 22, 2022Observed: 2.27 ft at 5:16PM May 22, 2022Observed: 2.27 ft at 5:30PM May 22, 2022Observed: 2.27 ft at 5:31PM May 22, 2022Observed: 2.3 ft at 5:45PM May 22, 2022Observed: 2.3 ft at 5:46PM May 22, 2022Observed: 2.3 ft at 6:00PM May 22, 2022Observed: 2.29 ft at 6:15PM May 22, 2022Observed: 2.3 ft at 6:30PM May 22, 2022Observed: 2.32 ft at 6:45PM May 22, 2022Observed: 2.33 ft at 7:00PM May 22, 2022Observed: 2.33 ft at 7:15PM May 22, 2022Observed: 2.33 ft at 7:30PM May 22, 2022Observed: 2.34 ft at 7:45PM May 22, 2022Observed: 2.35 ft at 8:00PM May 22, 2022Observed: 2.37 ft at 8:15PM May 22, 2022Observed: 2.38 ft at 8:30PM May 22, 2022Observed: 2.38 ft at 8:45PM May 22, 2022Observed: 2.38 ft at 9:00PM May 22, 2022Observed: 2.39 ft at 9:15PM May 22, 2022Observed: 2.39 ft at 9:30PM May 22, 2022Observed: 2.39 ft at 9:45PM May 22, 2022Observed: 2.39 ft at 10:00PM May 22, 2022Observed: 2.39 ft at 10:15PM May 22, 2022Observed: 2.39 ft at 10:30PM May 22, 2022Observed: 2.38 ft at 10:45PM May 22, 2022Observed: 2.38 ft at 11:00PM May 22, 2022Observed: 2.38 ft at 11:15PM May 22, 2022Observed: 2.37 ft at 11:30PM May 22, 2022Observed: 2.37 ft at 11:45PM May 22, 2022Observed: 2.37 ft at 12:00AM May 23, 2022Observed: 2.37 ft at 12:15AM May 23, 2022Observed: 2.37 ft at 12:30AM May 23, 2022Observed: 2.37 ft at 12:45AM May 23, 2022Observed: 2.37 ft at 1:00AM May 23, 2022Observed: 2.37 ft at 1:15AM May 23, 2022Observed: 2.37 ft at 1:30AM May 23, 2022Observed: 2.37 ft at 1:45AM May 23, 2022Observed: 2.36 ft at 2:00AM May 23, 2022Observed: 2.36 ft at 2:15AM May 23, 2022Observed: 2.35 ft at 2:30AM May 23, 2022Observed: 2.34 ft at 2:45AM May 23, 2022Observed: 2.34 ft at 3:00AM May 23, 2022Observed: 2.33 ft at 3:15AM May 23, 2022Observed: 2.33 ft at 3:30AM May 23, 2022Observed: 2.32 ft at 3:45AM May 23, 2022Observed: 2.32 ft at 4:00AM May 23, 2022Observed: 2.32 ft at 4:15AM May 23, 2022Observed: 2.31 ft at 4:30AM May 23, 2022Observed: 2.31 ft at 4:45AM May 23, 2022Observed: 2.31 ft at 5:00AM May 23, 2022Observed: 2.31 ft at 5:01AM May 23, 2022Observed: 2.3 ft at 5:15AM May 23, 2022Observed: 2.3 ft at 5:16AM May 23, 2022Observed: 2.3 ft at 5:30AM May 23, 2022Observed: 2.3 ft at 5:31AM May 23, 2022Observed: 2.3 ft at 5:45AM May 23, 2022Observed: 2.3 ft at 5:46AM May 23, 2022Observed: 2.3 ft at 6:00AM May 23, 2022Observed: 2.29 ft at 6:15AM May 23, 2022Observed: 2.29 ft at 6:30AM May 23, 2022Observed: 2.29 ft at 6:45AM May 23, 2022Observed: 2.29 ft at 7:00AM May 23, 2022Observed: 2.29 ft at 7:15AM May 23, 2022Observed: 2.28 ft at 7:30AM May 23, 2022Observed: 2.28 ft at 7:45AM May 23, 2022Observed: 2.28 ft at 8:00AM May 23, 2022Observed: 2.28 ft at 8:15AM May 23, 2022Observed: 2.28 ft at 8:30AM May 23, 2022Observed: 2.28 ft at 8:45AM May 23, 2022Observed: 2.28 ft at 9:00AM May 23, 2022Observed: 2.27 ft at 9:15AM May 23, 2022Observed: 2.27 ft at 9:30AM May 23, 2022Observed: 2.27 ft at 9:45AM May 23, 2022Observed: 2.27 ft at 10:00AM May 23, 2022Observed: 2.27 ft at 10:15AM May 23, 2022Observed: 2.26 ft at 10:30AM May 23, 2022Observed: 2.26 ft at 10:45AM May 23, 2022Observed: 2.26 ft at 11:00AM May 23, 2022Observed: 2.26 ft at 11:15AM May 23, 2022Observed: 2.26 ft at 11:30AM May 23, 2022Observed: 2.26 ft at 11:45AM May 23, 2022Observed: 2.26 ft at 12:00PM May 23, 2022Observed: 2.26 ft at 12:15PM May 23, 2022Observed: 2.26 ft at 12:30PM May 23, 2022Observed: 2.25 ft at 12:45PM May 23, 2022Observed: 2.25 ft at 1:00PM May 23, 2022Observed: 2.25 ft at 1:15PM May 23, 2022Observed: 2.25 ft at 1:30PM May 23, 2022Observed: 2.25 ft at 1:45PM May 23, 2022Observed: 2.25 ft at 2:00PM May 23, 2022Observed: 2.25 ft at 2:15PM May 23, 2022Observed: 2.25 ft at 2:30PM May 23, 2022Observed: 2.25 ft at 2:45PM May 23, 2022Observed: 2.24 ft at 3:00PM May 23, 2022Observed: 2.24 ft at 3:15PM May 23, 2022Observed: 2.24 ft at 3:30PM May 23, 2022Observed: 2.25 ft at 3:45PM May 23, 2022Observed: 2.24 ft at 4:00PM May 23, 2022Observed: 2.24 ft at 4:15PM May 23, 2022Observed: 2.23 ft at 4:30PM May 23, 2022Observed: 2.23 ft at 4:45PM May 23, 2022Observed: 2.23 ft at 5:00PM May 23, 2022Observed: 2.23 ft at 5:02PM May 23, 2022Observed: 2.23 ft at 5:15PM May 23, 2022Observed: 2.23 ft at 5:17PM May 23, 2022Observed: 2.23 ft at 5:30PM May 23, 2022Observed: 2.23 ft at 5:32PM May 23, 2022Observed: 2.23 ft at 5:45PM May 23, 2022Observed: 2.23 ft at 5:47PM May 23, 2022Observed: 2.23 ft at 6:00PM May 23, 2022Observed: 2.22 ft at 6:15PM May 23, 2022Observed: 2.22 ft at 6:30PM May 23, 2022Observed: 2.22 ft at 6:45PM May 23, 2022Observed: 2.22 ft at 7:00PM May 23, 2022Observed: 2.22 ft at 7:15PM May 23, 2022Observed: 2.21 ft at 7:30PM May 23, 2022Observed: 2.21 ft at 7:45PM May 23, 2022Observed: 2.21 ft at 8:00PM May 23, 2022Observed: 2.21 ft at 8:15PM May 23, 2022Observed: 2.21 ft at 8:30PM May 23, 2022Observed: 2.21 ft at 8:45PM May 23, 2022Observed: 2.21 ft at 9:00PM May 23, 2022Observed: 2.21 ft at 9:15PM May 23, 2022Observed: 2.2 ft at 9:30PM May 23, 2022Observed: 2.2 ft at 9:45PM May 23, 2022Observed: 2.2 ft at 10:00PM May 23, 2022Observed: 2.2 ft at 10:15PM May 23, 2022USGS--Water Resources of the United StatesEGRP1(plotting HGIRG) Graph Created (11:33PM May 23, 2022)ObservedLatest observed value: 2.2 ft at 10:15 PM EDT 23-May-2022. Flood Stage is 5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Perkiomen Creek at East Greenville. Only observed stages are available for this point.
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Downstream Gauge Downstream Gauge - at Graterford
Flood Categories (in feet)
Major Flood Stage: 9
Moderate Flood Stage: 7
Flood Stage: 5
Action Stage: 4
Low Stage (in feet): 0

Historic Crests
(1) 9.66 ft on 08/04/2020
(2) 9.24 ft on 09/02/2021
(3) 8.14 ft on 11/03/2018
(4) 7.80 ft on 07/11/2019
(5) 7.75 ft on 08/28/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.97 ft on 04/19/2022
(2) 6.40 ft on 04/08/2022
(3) 9.24 ft on 09/02/2021
(4) 5.75 ft on 12/25/2020
(5) 6.20 ft on 11/30/2020
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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If you notice any errors in the below information, please contact our Webmaster
5 Water Street is closed between Route 29 and State Street.
About This Location Collapse

Latitude: 40.393889° N, Longitude: 75.515833° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 288.5 292.5 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Philadelphia/Mount Holly Weather Forecast Office
732 Woodlane Road
Mount Holly, NJ 08060-9615
(609) 261-6600
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