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Hydrograph River at a Glance Download
Perkiomen Creek at East Greenville Stage (ft)Flow (kcfs)Highest Observation: 2.26 ft at 1:15PM Jan 24, 2021Observed: 2.25 ft at 1:30PM Jan 24, 2021Observed: 2.24 ft at 1:45PM Jan 24, 2021Observed: 2.23 ft at 2:00PM Jan 24, 2021Observed: 2.21 ft at 2:15PM Jan 24, 2021Observed: 2.21 ft at 2:30PM Jan 24, 2021Observed: 2.19 ft at 2:45PM Jan 24, 2021Observed: 2.19 ft at 3:00PM Jan 24, 2021Observed: 2.18 ft at 3:15PM Jan 24, 2021Observed: 2.18 ft at 3:30PM Jan 24, 2021Observed: 2.18 ft at 3:45PM Jan 24, 2021Observed: 2.18 ft at 4:00PM Jan 24, 2021Observed: 2.18 ft at 4:15PM Jan 24, 2021Observed: 2.18 ft at 4:30PM Jan 24, 2021Observed: 2.18 ft at 4:45PM Jan 24, 2021Observed: 2.18 ft at 5:00PM Jan 24, 2021Observed: 2.19 ft at 5:15PM Jan 24, 2021Observed: 2.19 ft at 5:30PM Jan 24, 2021Observed: 2.19 ft at 5:45PM Jan 24, 2021Observed: 2.19 ft at 6:00PM Jan 24, 2021Observed: 2.19 ft at 6:15PM Jan 24, 2021Observed: 2.19 ft at 6:30PM Jan 24, 2021Observed: 2.19 ft at 6:45PM Jan 24, 2021Observed: 2.19 ft at 6:47PM Jan 24, 2021Observed: 2.19 ft at 7:00PM Jan 24, 2021Observed: 2.19 ft at 7:02PM Jan 24, 2021Observed: 2.19 ft at 7:15PM Jan 24, 2021Observed: 2.19 ft at 7:17PM Jan 24, 2021Observed: 2.19 ft at 7:30PM Jan 24, 2021Observed: 2.19 ft at 7:32PM Jan 24, 2021Observed: 2.19 ft at 7:45PM Jan 24, 2021Observed: 2.19 ft at 8:00PM Jan 24, 2021Observed: 2.19 ft at 8:15PM Jan 24, 2021Observed: 2.2 ft at 8:30PM Jan 24, 2021Observed: 2.19 ft at 8:45PM Jan 24, 2021Observed: 2.19 ft at 9:00PM Jan 24, 2021Observed: 2.19 ft at 9:15PM Jan 24, 2021Observed: 2.19 ft at 9:30PM Jan 24, 2021Observed: 2.19 ft at 9:45PM Jan 24, 2021Observed: 2.19 ft at 10:00PM Jan 24, 2021Observed: 2.19 ft at 10:15PM Jan 24, 2021Observed: 2.19 ft at 10:30PM Jan 24, 2021Observed: 2.19 ft at 10:45PM Jan 24, 2021Observed: 2.19 ft at 11:00PM Jan 24, 2021Observed: 2.19 ft at 11:15PM Jan 24, 2021Observed: 2.19 ft at 11:30PM Jan 24, 2021Observed: 2.19 ft at 11:45PM Jan 24, 2021Observed: 2.19 ft at 12:00AM Jan 25, 2021Observed: 2.19 ft at 12:15AM Jan 25, 2021Observed: 2.19 ft at 12:30AM Jan 25, 2021Observed: 2.19 ft at 12:45AM Jan 25, 2021Observed: 2.19 ft at 1:00AM Jan 25, 2021Observed: 2.19 ft at 1:15AM Jan 25, 2021Observed: 2.19 ft at 1:30AM Jan 25, 2021Observed: 2.19 ft at 1:45AM Jan 25, 2021Observed: 2.19 ft at 2:00AM Jan 25, 2021Observed: 2.19 ft at 2:15AM Jan 25, 2021Observed: 2.19 ft at 2:30AM Jan 25, 2021Observed: 2.19 ft at 2:45AM Jan 25, 2021Observed: 2.19 ft at 3:00AM Jan 25, 2021Observed: 2.19 ft at 3:15AM Jan 25, 2021Observed: 2.19 ft at 3:30AM Jan 25, 2021Observed: 2.19 ft at 3:45AM Jan 25, 2021Observed: 2.18 ft at 4:00AM Jan 25, 2021Observed: 2.18 ft at 4:15AM Jan 25, 2021Observed: 2.18 ft at 4:30AM Jan 25, 2021Observed: 2.18 ft at 4:45AM Jan 25, 2021Observed: 2.18 ft at 5:00AM Jan 25, 2021Observed: 2.18 ft at 5:15AM Jan 25, 2021Observed: 2.18 ft at 5:30AM Jan 25, 2021Observed: 2.18 ft at 5:45AM Jan 25, 2021Observed: 2.18 ft at 6:00AM Jan 25, 2021Observed: 2.18 ft at 6:15AM Jan 25, 2021Observed: 2.18 ft at 6:30AM Jan 25, 2021Observed: 2.18 ft at 6:45AM Jan 25, 2021Observed: 2.18 ft at 6:47AM Jan 25, 2021Observed: 2.18 ft at 7:00AM Jan 25, 2021Observed: 2.18 ft at 7:02AM Jan 25, 2021Observed: 2.18 ft at 7:15AM Jan 25, 2021Observed: 2.18 ft at 7:17AM Jan 25, 2021Observed: 2.18 ft at 7:30AM Jan 25, 2021Observed: 2.18 ft at 7:32AM Jan 25, 2021Observed: 2.18 ft at 7:45AM Jan 25, 2021Observed: 2.18 ft at 8:00AM Jan 25, 2021Observed: 2.18 ft at 8:15AM Jan 25, 2021Observed: 2.18 ft at 8:30AM Jan 25, 2021Observed: 2.18 ft at 8:45AM Jan 25, 2021Observed: 2.18 ft at 9:00AM Jan 25, 2021Observed: 2.18 ft at 9:15AM Jan 25, 2021Observed: 2.18 ft at 9:30AM Jan 25, 2021Observed: 2.18 ft at 9:45AM Jan 25, 2021Observed: 2.18 ft at 10:00AM Jan 25, 2021Observed: 2.18 ft at 10:15AM Jan 25, 2021Observed: 2.18 ft at 10:30AM Jan 25, 2021Observed: 2.18 ft at 10:45AM Jan 25, 2021Observed: 2.18 ft at 11:00AM Jan 25, 2021Observed: 2.17 ft at 11:15AM Jan 25, 2021Observed: 2.17 ft at 11:30AM Jan 25, 2021Observed: 2.17 ft at 11:45AM Jan 25, 2021Observed: 2.17 ft at 12:00PM Jan 25, 2021Observed: 2.17 ft at 12:15PM Jan 25, 2021Observed: 2.17 ft at 12:30PM Jan 25, 2021Observed: 2.17 ft at 12:45PM Jan 25, 2021Observed: 2.17 ft at 1:00PM Jan 25, 2021Observed: 2.17 ft at 1:15PM Jan 25, 2021Observed: 2.17 ft at 1:30PM Jan 25, 2021Observed: 2.17 ft at 1:45PM Jan 25, 2021Observed: 2.17 ft at 2:00PM Jan 25, 2021Observed: 2.17 ft at 2:15PM Jan 25, 2021Observed: 2.17 ft at 2:30PM Jan 25, 2021Observed: 2.17 ft at 2:45PM Jan 25, 2021Observed: 2.17 ft at 3:00PM Jan 25, 2021Observed: 2.17 ft at 3:15PM Jan 25, 2021Observed: 2.17 ft at 3:30PM Jan 25, 2021Observed: 2.17 ft at 3:45PM Jan 25, 2021Observed: 2.17 ft at 4:00PM Jan 25, 2021Observed: 2.17 ft at 4:15PM Jan 25, 2021Observed: 2.17 ft at 4:30PM Jan 25, 2021Observed: 2.17 ft at 4:45PM Jan 25, 2021Observed: 2.17 ft at 5:00PM Jan 25, 2021Observed: 2.17 ft at 5:15PM Jan 25, 2021Observed: 2.17 ft at 5:30PM Jan 25, 2021Observed: 2.17 ft at 5:45PM Jan 25, 2021Observed: 2.17 ft at 6:00PM Jan 25, 2021Observed: 2.18 ft at 6:15PM Jan 25, 2021Observed: 2.18 ft at 6:30PM Jan 25, 2021Observed: 2.18 ft at 6:45PM Jan 25, 2021Observed: 2.18 ft at 6:46PM Jan 25, 2021Observed: 2.18 ft at 7:00PM Jan 25, 2021Observed: 2.18 ft at 7:01PM Jan 25, 2021Observed: 2.18 ft at 7:15PM Jan 25, 2021Observed: 2.18 ft at 7:16PM Jan 25, 2021Observed: 2.18 ft at 7:30PM Jan 25, 2021Observed: 2.18 ft at 7:31PM Jan 25, 2021Observed: 2.18 ft at 7:45PM Jan 25, 2021Observed: 2.18 ft at 8:00PM Jan 25, 2021Observed: 2.18 ft at 8:15PM Jan 25, 2021Observed: 2.18 ft at 8:30PM Jan 25, 2021Observed: 2.18 ft at 8:45PM Jan 25, 2021Observed: 2.18 ft at 9:00PM Jan 25, 2021Observed: 2.19 ft at 9:15PM Jan 25, 2021Observed: 2.19 ft at 9:30PM Jan 25, 2021Observed: 2.19 ft at 9:45PM Jan 25, 2021Observed: 2.19 ft at 10:00PM Jan 25, 2021Observed: 2.19 ft at 10:15PM Jan 25, 2021Observed: 2.19 ft at 10:30PM Jan 25, 2021Observed: 2.19 ft at 10:45PM Jan 25, 2021Observed: 2.19 ft at 11:00PM Jan 25, 2021Observed: 2.19 ft at 11:15PM Jan 25, 2021Observed: 2.19 ft at 11:30PM Jan 25, 2021Observed: 2.19 ft at 11:45PM Jan 25, 2021Observed: 2.19 ft at 12:00AM Jan 26, 2021Observed: 2.19 ft at 12:15AM Jan 26, 2021Observed: 2.19 ft at 12:30AM Jan 26, 2021Observed: 2.19 ft at 12:45AM Jan 26, 2021Observed: 2.19 ft at 1:00AM Jan 26, 2021Observed: 2.19 ft at 1:15AM Jan 26, 2021Observed: 2.19 ft at 1:30AM Jan 26, 2021Observed: 2.19 ft at 1:45AM Jan 26, 2021Observed: 2.19 ft at 2:00AM Jan 26, 2021Observed: 2.19 ft at 2:15AM Jan 26, 2021Observed: 2.19 ft at 2:30AM Jan 26, 2021Observed: 2.19 ft at 2:45AM Jan 26, 2021Observed: 2.19 ft at 3:00AM Jan 26, 2021Observed: 2.19 ft at 3:15AM Jan 26, 2021Observed: 2.19 ft at 3:30AM Jan 26, 2021Observed: 2.19 ft at 3:45AM Jan 26, 2021Observed: 2.19 ft at 4:00AM Jan 26, 2021Observed: 2.19 ft at 4:15AM Jan 26, 2021Observed: 2.19 ft at 4:30AM Jan 26, 2021Observed: 2.19 ft at 4:45AM Jan 26, 2021Observed: 2.19 ft at 5:00AM Jan 26, 2021Observed: 2.19 ft at 5:15AM Jan 26, 2021Observed: 2.19 ft at 5:30AM Jan 26, 2021Observed: 2.19 ft at 5:45AM Jan 26, 2021Observed: 2.19 ft at 6:00AM Jan 26, 2021Observed: 2.19 ft at 6:15AM Jan 26, 2021Observed: 2.19 ft at 6:30AM Jan 26, 2021Observed: 2.19 ft at 6:45AM Jan 26, 2021Observed: 2.19 ft at 7:00AM Jan 26, 2021Observed: 2.19 ft at 7:02AM Jan 26, 2021Observed: 2.19 ft at 7:15AM Jan 26, 2021Observed: 2.19 ft at 7:17AM Jan 26, 2021Observed: 2.19 ft at 7:30AM Jan 26, 2021Observed: 2.19 ft at 7:32AM Jan 26, 2021Observed: 2.19 ft at 7:45AM Jan 26, 2021Observed: 2.19 ft at 7:47AM Jan 26, 2021Observed: 2.19 ft at 8:00AM Jan 26, 2021Observed: 2.19 ft at 8:15AM Jan 26, 2021Observed: 2.19 ft at 8:30AM Jan 26, 2021Observed: 2.19 ft at 8:45AM Jan 26, 2021Observed: 2.19 ft at 9:00AM Jan 26, 2021Observed: 2.19 ft at 9:15AM Jan 26, 2021Observed: 2.19 ft at 9:30AM Jan 26, 2021Observed: 2.19 ft at 9:45AM Jan 26, 2021Observed: 2.19 ft at 10:00AM Jan 26, 2021Observed: 2.19 ft at 10:15AM Jan 26, 2021Observed: 2.19 ft at 10:30AM Jan 26, 2021Observed: 2.19 ft at 10:45AM Jan 26, 2021Observed: 2.19 ft at 11:00AM Jan 26, 2021Observed: 2.19 ft at 11:15AM Jan 26, 2021Observed: 2.19 ft at 11:30AM Jan 26, 2021Observed: 2.19 ft at 11:45AM Jan 26, 2021Observed: 2.19 ft at 12:00PM Jan 26, 2021Observed: 2.19 ft at 12:15PM Jan 26, 2021Observed: 2.19 ft at 12:30PM Jan 26, 2021Observed: 2.19 ft at 12:45PM Jan 26, 2021Observed: 2.2 ft at 1:00PM Jan 26, 2021Observed: 2.2 ft at 1:15PM Jan 26, 2021Observed: 2.2 ft at 1:30PM Jan 26, 2021Observed: 2.2 ft at 1:45PM Jan 26, 2021Observed: 2.2 ft at 2:00PM Jan 26, 2021Observed: 2.2 ft at 2:15PM Jan 26, 2021Observed: 2.2 ft at 2:30PM Jan 26, 2021Observed: 2.2 ft at 2:45PM Jan 26, 2021Observed: 2.2 ft at 3:00PM Jan 26, 2021Observed: 2.2 ft at 3:15PM Jan 26, 2021Observed: 2.2 ft at 3:30PM Jan 26, 2021Observed: 2.21 ft at 3:45PM Jan 26, 2021Observed: 2.21 ft at 4:00PM Jan 26, 2021Observed: 2.21 ft at 4:15PM Jan 26, 2021Observed: 2.21 ft at 4:30PM Jan 26, 2021Observed: 2.21 ft at 4:45PM Jan 26, 2021Observed: 2.21 ft at 5:00PM Jan 26, 2021Observed: 2.21 ft at 5:15PM Jan 26, 2021Observed: 2.21 ft at 5:30PM Jan 26, 2021Observed: 2.22 ft at 5:45PM Jan 26, 2021Observed: 2.22 ft at 6:00PM Jan 26, 2021Observed: 2.22 ft at 6:15PM Jan 26, 2021Observed: 2.22 ft at 6:30PM Jan 26, 2021Observed: 2.22 ft at 6:45PM Jan 26, 2021Observed: 2.23 ft at 7:00PM Jan 26, 2021Observed: 2.23 ft at 7:01PM Jan 26, 2021Observed: 2.22 ft at 7:15PM Jan 26, 2021Observed: 2.22 ft at 7:16PM Jan 26, 2021Observed: 2.23 ft at 7:30PM Jan 26, 2021Observed: 2.23 ft at 7:31PM Jan 26, 2021Observed: 2.23 ft at 7:45PM Jan 26, 2021Observed: 2.23 ft at 7:46PM Jan 26, 2021Observed: 2.23 ft at 8:00PM Jan 26, 2021Observed: 2.23 ft at 8:15PM Jan 26, 2021Observed: 2.23 ft at 8:30PM Jan 26, 2021Observed: 2.23 ft at 8:45PM Jan 26, 2021Observed: 2.23 ft at 9:00PM Jan 26, 2021Observed: 2.23 ft at 9:15PM Jan 26, 2021Observed: 2.24 ft at 9:30PM Jan 26, 2021Observed: 2.24 ft at 9:45PM Jan 26, 2021Observed: 2.24 ft at 10:00PM Jan 26, 2021Observed: 2.24 ft at 10:15PM Jan 26, 2021Observed: 2.24 ft at 10:30PM Jan 26, 2021Observed: 2.24 ft at 10:45PM Jan 26, 2021Observed: 2.24 ft at 11:00PM Jan 26, 2021Observed: 2.24 ft at 11:15PM Jan 26, 2021Observed: 2.24 ft at 11:30PM Jan 26, 2021Observed: 2.24 ft at 11:45PM Jan 26, 2021Observed: 2.24 ft at 12:00AM Jan 27, 2021Observed: 2.24 ft at 12:15AM Jan 27, 2021Observed: 2.24 ft at 12:30AM Jan 27, 2021Observed: 2.24 ft at 12:45AM Jan 27, 2021Observed: 2.24 ft at 1:00AM Jan 27, 2021Observed: 2.24 ft at 1:15AM Jan 27, 2021Observed: 2.24 ft at 1:30AM Jan 27, 2021Observed: 2.24 ft at 1:45AM Jan 27, 2021Observed: 2.24 ft at 2:00AM Jan 27, 2021Observed: 2.23 ft at 2:15AM Jan 27, 2021Observed: 2.23 ft at 2:30AM Jan 27, 2021Observed: 2.23 ft at 2:45AM Jan 27, 2021Observed: 2.23 ft at 3:00AM Jan 27, 2021Observed: 2.23 ft at 3:15AM Jan 27, 2021Observed: 2.23 ft at 3:30AM Jan 27, 2021Observed: 2.23 ft at 3:45AM Jan 27, 2021Observed: 2.23 ft at 4:00AM Jan 27, 2021Observed: 2.23 ft at 4:15AM Jan 27, 2021Observed: 2.23 ft at 4:30AM Jan 27, 2021Observed: 2.23 ft at 4:45AM Jan 27, 2021Observed: 2.23 ft at 5:00AM Jan 27, 2021Observed: 2.23 ft at 5:15AM Jan 27, 2021Observed: 2.23 ft at 5:30AM Jan 27, 2021Observed: 2.23 ft at 5:45AM Jan 27, 2021Observed: 2.22 ft at 6:00AM Jan 27, 2021Observed: 2.22 ft at 6:15AM Jan 27, 2021Observed: 2.22 ft at 6:30AM Jan 27, 2021Observed: 2.22 ft at 6:45AM Jan 27, 2021Observed: 2.22 ft at 7:00AM Jan 27, 2021Observed: 2.22 ft at 7:01AM Jan 27, 2021Observed: 2.22 ft at 7:15AM Jan 27, 2021Observed: 2.22 ft at 7:16AM Jan 27, 2021Observed: 2.22 ft at 7:30AM Jan 27, 2021Observed: 2.22 ft at 7:31AM Jan 27, 2021Observed: 2.22 ft at 7:45AM Jan 27, 2021Observed: 2.22 ft at 7:46AM Jan 27, 2021Observed: 2.22 ft at 8:00AM Jan 27, 2021Observed: 2.22 ft at 8:15AM Jan 27, 2021Observed: 2.22 ft at 8:30AM Jan 27, 2021Observed: 2.22 ft at 8:45AM Jan 27, 2021Observed: 2.22 ft at 9:00AM Jan 27, 2021Observed: 2.22 ft at 9:15AM Jan 27, 2021Observed: 2.21 ft at 9:30AM Jan 27, 2021Observed: 2.22 ft at 9:45AM Jan 27, 2021Observed: 2.21 ft at 10:00AM Jan 27, 2021Observed: 2.22 ft at 10:15AM Jan 27, 2021Observed: 2.21 ft at 10:30AM Jan 27, 2021Observed: 2.22 ft at 10:45AM Jan 27, 2021Observed: 2.22 ft at 11:00AM Jan 27, 2021Observed: 2.21 ft at 11:15AM Jan 27, 2021Observed: 2.22 ft at 11:30AM Jan 27, 2021Observed: 2.21 ft at 11:45AM Jan 27, 2021Observed: 2.2 ft at 12:00PM Jan 27, 2021Observed: 2.21 ft at 12:15PM Jan 27, 2021USGS--Water Resources of the United StatesEGRP1(plotting HGIRG) Graph Created (1:02PM Jan 27, 2021)ObservedLatest observed value: 2.21 ft at 12:15 PM EST 27-Jan-2021. Flood Stage is 4 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
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: 4
Action Stage: 3
Low Stage (in feet): 0

Historic Crests
(1) 9.66 ft on 08/04/2020
(2) 8.14 ft on 11/03/2018
(3) 7.80 ft on 07/11/2019
(4) 7.75 ft on 08/28/2011
(5) 7.30 ft on 10/08/2005
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.75 ft on 12/25/2020
(2) 6.20 ft on 11/30/2020
(3) 9.66 ft on 08/04/2020
(4) 7.80 ft on 07/11/2019
(5) 5.34 ft on 11/25/2018
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
4.25 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 4 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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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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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