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Hydrograph River at a Glance Download
Assunpink Creek at Clarksville Stage (ft)Flow (kcfs)Observed: 4.28 ft at 3:00PM May 14, 2022Observed: 4.29 ft at 3:15PM May 14, 2022Observed: 4.3 ft at 3:30PM May 14, 2022Observed: 4.3 ft at 3:45PM May 14, 2022Observed: 4.3 ft at 4:00PM May 14, 2022Observed: 4.31 ft at 4:15PM May 14, 2022Observed: 4.32 ft at 4:30PM May 14, 2022Observed: 4.32 ft at 4:45PM May 14, 2022Observed: 4.32 ft at 5:00PM May 14, 2022Observed: 4.33 ft at 5:15PM May 14, 2022Observed: 4.33 ft at 5:30PM May 14, 2022Observed: 4.35 ft at 5:45PM May 14, 2022Observed: 4.34 ft at 6:00PM May 14, 2022Observed: 4.35 ft at 6:15PM May 14, 2022Observed: 4.36 ft at 6:30PM May 14, 2022Observed: 4.36 ft at 6:45PM May 14, 2022Observed: 4.36 ft at 7:00PM May 14, 2022Observed: 4.37 ft at 7:15PM May 14, 2022Observed: 4.37 ft at 7:30PM May 14, 2022Observed: 4.38 ft at 7:45PM May 14, 2022Observed: 4.39 ft at 8:00PM May 14, 2022Observed: 4.39 ft at 8:15PM May 14, 2022Observed: 4.39 ft at 8:30PM May 14, 2022Observed: 4.4 ft at 8:45PM May 14, 2022Observed: 4.4 ft at 9:00PM May 14, 2022Observed: 4.41 ft at 9:15PM May 14, 2022Observed: 4.42 ft at 9:30PM May 14, 2022Observed: 4.43 ft at 9:45PM May 14, 2022Observed: 4.43 ft at 10:00PM May 14, 2022Observed: 4.43 ft at 10:15PM May 14, 2022Observed: 4.43 ft at 10:30PM May 14, 2022Observed: 4.44 ft at 10:45PM May 14, 2022Observed: 4.45 ft at 11:00PM May 14, 2022Observed: 4.45 ft at 11:15PM May 14, 2022Observed: 4.45 ft at 11:30PM May 14, 2022Observed: 4.46 ft at 11:45PM May 14, 2022Observed: 4.46 ft at 12:00AM May 15, 2022Observed: 4.47 ft at 12:15AM May 15, 2022Observed: 4.47 ft at 12:30AM May 15, 2022Observed: 4.48 ft at 12:45AM May 15, 2022Observed: 4.48 ft at 1:00AM May 15, 2022Observed: 4.49 ft at 1:15AM May 15, 2022Observed: 4.49 ft at 1:30AM May 15, 2022Observed: 4.5 ft at 1:45AM May 15, 2022Observed: 4.5 ft at 2:00AM May 15, 2022Observed: 4.51 ft at 2:15AM May 15, 2022Observed: 4.51 ft at 2:30AM May 15, 2022Observed: 4.51 ft at 2:45AM May 15, 2022Observed: 4.52 ft at 3:00AM May 15, 2022Observed: 4.52 ft at 3:15AM May 15, 2022Observed: 4.53 ft at 3:30AM May 15, 2022Observed: 4.54 ft at 3:45AM May 15, 2022Observed: 4.54 ft at 4:00AM May 15, 2022Observed: 4.54 ft at 4:15AM May 15, 2022Observed: 4.55 ft at 4:30AM May 15, 2022Observed: 4.55 ft at 4:45AM May 15, 2022Observed: 4.56 ft at 5:00AM May 15, 2022Observed: 4.56 ft at 5:15AM May 15, 2022Observed: 4.56 ft at 5:30AM May 15, 2022Observed: 4.57 ft at 5:45AM May 15, 2022Observed: 4.58 ft at 6:00AM May 15, 2022Observed: 4.57 ft at 6:15AM May 15, 2022Observed: 4.58 ft at 6:30AM May 15, 2022Observed: 4.59 ft at 6:45AM May 15, 2022Observed: 4.59 ft at 7:00AM May 15, 2022Observed: 4.6 ft at 7:15AM May 15, 2022Observed: 4.6 ft at 7:30AM May 15, 2022Observed: 4.6 ft at 7:45AM May 15, 2022Observed: 4.6 ft at 8:00AM May 15, 2022Observed: 4.61 ft at 8:15AM May 15, 2022Observed: 4.61 ft at 8:30AM May 15, 2022Observed: 4.62 ft at 8:45AM May 15, 2022Observed: 4.62 ft at 9:00AM May 15, 2022Observed: 4.62 ft at 9:15AM May 15, 2022Observed: 4.63 ft at 9:30AM May 15, 2022Observed: 4.63 ft at 9:45AM May 15, 2022Observed: 4.63 ft at 10:00AM May 15, 2022Observed: 4.64 ft at 10:15AM May 15, 2022Observed: 4.64 ft at 10:30AM May 15, 2022Observed: 4.64 ft at 10:45AM May 15, 2022Observed: 4.65 ft at 11:00AM May 15, 2022Observed: 4.65 ft at 11:15AM May 15, 2022Observed: 4.65 ft at 11:30AM May 15, 2022Observed: 4.65 ft at 11:45AM May 15, 2022Observed: 4.65 ft at 12:00PM May 15, 2022Observed: 4.65 ft at 12:15PM May 15, 2022Observed: 4.66 ft at 12:30PM May 15, 2022Observed: 4.66 ft at 12:45PM May 15, 2022Observed: 4.66 ft at 1:00PM May 15, 2022Observed: 4.67 ft at 1:15PM May 15, 2022Observed: 4.67 ft at 1:30PM May 15, 2022Observed: 4.67 ft at 1:45PM May 15, 2022Observed: 4.67 ft at 2:00PM May 15, 2022Observed: 4.67 ft at 2:15PM May 15, 2022Observed: 4.67 ft at 2:30PM May 15, 2022Observed: 4.68 ft at 2:45PM May 15, 2022Observed: 4.68 ft at 3:00PM May 15, 2022Observed: 4.68 ft at 3:15PM May 15, 2022Observed: 4.67 ft at 3:30PM May 15, 2022Observed: 4.68 ft at 3:45PM May 15, 2022Observed: 4.68 ft at 4:00PM May 15, 2022Observed: 4.68 ft at 4:15PM May 15, 2022Observed: 4.68 ft at 4:30PM May 15, 2022Observed: 4.69 ft at 4:45PM May 15, 2022Observed: 4.68 ft at 5:00PM May 15, 2022Observed: 4.69 ft at 5:15PM May 15, 2022Observed: 4.68 ft at 5:30PM May 15, 2022Observed: 4.69 ft at 5:45PM May 15, 2022Observed: 4.69 ft at 6:00PM May 15, 2022Observed: 4.69 ft at 6:15PM May 15, 2022Observed: 4.69 ft at 6:30PM May 15, 2022Observed: 4.69 ft at 6:45PM May 15, 2022Observed: 4.69 ft at 7:00PM May 15, 2022Highest Observation: 4.7 ft at 7:15PM May 15, 2022Observed: 4.69 ft at 7:30PM May 15, 2022Highest Observation: 4.7 ft at 7:45PM May 15, 2022Highest Observation: 4.7 ft at 8:00PM May 15, 2022Highest Observation: 4.7 ft at 8:15PM May 15, 2022Observed: 4.69 ft at 8:30PM May 15, 2022Observed: 4.69 ft at 8:45PM May 15, 2022Highest Observation: 4.7 ft at 9:00PM May 15, 2022Observed: 4.69 ft at 9:15PM May 15, 2022Observed: 4.69 ft at 9:30PM May 15, 2022Observed: 4.69 ft at 9:45PM May 15, 2022Observed: 4.69 ft at 10:00PM May 15, 2022Observed: 4.69 ft at 10:15PM May 15, 2022Observed: 4.69 ft at 10:30PM May 15, 2022Observed: 4.69 ft at 10:45PM May 15, 2022Observed: 4.69 ft at 11:00PM May 15, 2022Observed: 4.69 ft at 11:15PM May 15, 2022Observed: 4.69 ft at 11:30PM May 15, 2022Highest Observation: 4.7 ft at 11:45PM May 15, 2022Highest Observation: 4.7 ft at 12:00AM May 16, 2022Observed: 4.69 ft at 12:15AM May 16, 2022Observed: 4.69 ft at 12:30AM May 16, 2022Observed: 4.69 ft at 12:45AM May 16, 2022Observed: 4.69 ft at 1:00AM May 16, 2022Observed: 4.69 ft at 1:15AM May 16, 2022Observed: 4.69 ft at 1:30AM May 16, 2022Observed: 4.69 ft at 1:45AM May 16, 2022Observed: 4.69 ft at 2:00AM May 16, 2022Observed: 4.69 ft at 2:15AM May 16, 2022Observed: 4.69 ft at 2:30AM May 16, 2022Highest Observation: 4.7 ft at 2:45AM May 16, 2022Observed: 4.69 ft at 3:00AM May 16, 2022Observed: 4.69 ft at 3:15AM May 16, 2022Observed: 4.69 ft at 3:30AM May 16, 2022Observed: 4.69 ft at 3:45AM May 16, 2022Observed: 4.69 ft at 4:00AM May 16, 2022Observed: 4.69 ft at 4:15AM May 16, 2022Observed: 4.69 ft at 4:30AM May 16, 2022Observed: 4.69 ft at 4:45AM May 16, 2022Observed: 4.69 ft at 5:00AM May 16, 2022Observed: 4.68 ft at 5:15AM May 16, 2022Observed: 4.69 ft at 5:30AM May 16, 2022Observed: 4.69 ft at 5:45AM May 16, 2022Observed: 4.69 ft at 6:00AM May 16, 2022Observed: 4.68 ft at 6:15AM May 16, 2022Observed: 4.68 ft at 6:30AM May 16, 2022Observed: 4.69 ft at 6:45AM May 16, 2022Observed: 4.68 ft at 7:00AM May 16, 2022Observed: 4.68 ft at 7:15AM May 16, 2022Observed: 4.68 ft at 7:30AM May 16, 2022Observed: 4.68 ft at 7:45AM May 16, 2022Observed: 4.68 ft at 8:00AM May 16, 2022Observed: 4.67 ft at 8:15AM May 16, 2022Observed: 4.67 ft at 8:30AM May 16, 2022Observed: 4.68 ft at 8:45AM May 16, 2022Observed: 4.68 ft at 9:00AM May 16, 2022Observed: 4.68 ft at 9:15AM May 16, 2022Observed: 4.67 ft at 9:30AM May 16, 2022Observed: 4.67 ft at 9:45AM May 16, 2022Observed: 4.66 ft at 10:00AM May 16, 2022Observed: 4.66 ft at 10:15AM May 16, 2022Observed: 4.67 ft at 10:30AM May 16, 2022Observed: 4.66 ft at 10:45AM May 16, 2022Observed: 4.66 ft at 11:00AM May 16, 2022Observed: 4.66 ft at 11:15AM May 16, 2022Observed: 4.66 ft at 11:30AM May 16, 2022Observed: 4.66 ft at 11:45AM May 16, 2022Observed: 4.66 ft at 12:00PM May 16, 2022Observed: 4.65 ft at 12:15PM May 16, 2022Observed: 4.66 ft at 12:30PM May 16, 2022Observed: 4.66 ft at 12:45PM May 16, 2022Observed: 4.65 ft at 1:00PM May 16, 2022Observed: 4.65 ft at 1:15PM May 16, 2022Observed: 4.65 ft at 1:30PM May 16, 2022Observed: 4.65 ft at 1:45PM May 16, 2022Observed: 4.64 ft at 2:00PM May 16, 2022Observed: 4.65 ft at 2:15PM May 16, 2022Observed: 4.64 ft at 2:30PM May 16, 2022Observed: 4.64 ft at 2:45PM May 16, 2022Observed: 4.64 ft at 3:00PM May 16, 2022Observed: 4.63 ft at 3:15PM May 16, 2022Observed: 4.64 ft at 3:30PM May 16, 2022Observed: 4.63 ft at 3:45PM May 16, 2022Observed: 4.63 ft at 4:00PM May 16, 2022Observed: 4.63 ft at 4:15PM May 16, 2022Observed: 4.63 ft at 4:30PM May 16, 2022Observed: 4.62 ft at 4:45PM May 16, 2022Observed: 4.62 ft at 5:00PM May 16, 2022Observed: 4.62 ft at 5:15PM May 16, 2022Observed: 4.62 ft at 5:30PM May 16, 2022Observed: 4.62 ft at 5:45PM May 16, 2022Observed: 4.62 ft at 6:00PM May 16, 2022Observed: 4.62 ft at 6:15PM May 16, 2022Observed: 4.62 ft at 6:30PM May 16, 2022Observed: 4.61 ft at 6:45PM May 16, 2022Observed: 4.62 ft at 7:00PM May 16, 2022Observed: 4.62 ft at 7:15PM May 16, 2022Observed: 4.62 ft at 7:30PM May 16, 2022Observed: 4.62 ft at 7:45PM May 16, 2022Observed: 4.62 ft at 8:00PM May 16, 2022Observed: 4.62 ft at 8:15PM May 16, 2022Observed: 4.63 ft at 8:30PM May 16, 2022Observed: 4.63 ft at 8:45PM May 16, 2022Observed: 4.62 ft at 9:00PM May 16, 2022Observed: 4.63 ft at 9:15PM May 16, 2022Observed: 4.62 ft at 9:30PM May 16, 2022Observed: 4.62 ft at 9:45PM May 16, 2022Observed: 4.62 ft at 10:00PM May 16, 2022Observed: 4.62 ft at 10:15PM May 16, 2022Observed: 4.62 ft at 10:30PM May 16, 2022Observed: 4.61 ft at 10:45PM May 16, 2022Observed: 4.61 ft at 11:00PM May 16, 2022Observed: 4.62 ft at 11:15PM May 16, 2022Observed: 4.61 ft at 11:30PM May 16, 2022Observed: 4.61 ft at 11:45PM May 16, 2022Observed: 4.61 ft at 12:00AM May 17, 2022Observed: 4.61 ft at 12:15AM May 17, 2022Observed: 4.61 ft at 12:30AM May 17, 2022Observed: 4.61 ft at 12:45AM May 17, 2022Observed: 4.61 ft at 1:00AM May 17, 2022Observed: 4.61 ft at 1:15AM May 17, 2022Observed: 4.61 ft at 1:30AM May 17, 2022Observed: 4.6 ft at 1:45AM May 17, 2022Observed: 4.6 ft at 2:00AM May 17, 2022Observed: 4.6 ft at 2:15AM May 17, 2022Observed: 4.6 ft at 2:30AM May 17, 2022Observed: 4.61 ft at 2:45AM May 17, 2022Observed: 4.6 ft at 3:00AM May 17, 2022Observed: 4.6 ft at 3:15AM May 17, 2022Observed: 4.6 ft at 3:30AM May 17, 2022Observed: 4.6 ft at 3:45AM May 17, 2022Observed: 4.6 ft at 4:00AM May 17, 2022Observed: 4.6 ft at 4:15AM May 17, 2022Observed: 4.59 ft at 4:30AM May 17, 2022Observed: 4.59 ft at 4:45AM May 17, 2022Observed: 4.59 ft at 5:00AM May 17, 2022Observed: 4.59 ft at 5:15AM May 17, 2022Observed: 4.59 ft at 5:30AM May 17, 2022Observed: 4.59 ft at 5:45AM May 17, 2022Observed: 4.59 ft at 6:00AM May 17, 2022Observed: 4.59 ft at 6:15AM May 17, 2022Observed: 4.58 ft at 6:30AM May 17, 2022Observed: 4.59 ft at 6:45AM May 17, 2022Observed: 4.58 ft at 7:00AM May 17, 2022Observed: 4.58 ft at 7:15AM May 17, 2022Observed: 4.58 ft at 7:30AM May 17, 2022Observed: 4.57 ft at 7:45AM May 17, 2022Observed: 4.58 ft at 8:00AM May 17, 2022Observed: 4.58 ft at 8:15AM May 17, 2022Observed: 4.58 ft at 8:30AM May 17, 2022Observed: 4.57 ft at 8:45AM May 17, 2022Observed: 4.57 ft at 9:00AM May 17, 2022Observed: 4.56 ft at 9:15AM May 17, 2022Observed: 4.57 ft at 9:30AM May 17, 2022Observed: 4.56 ft at 9:45AM May 17, 2022Observed: 4.56 ft at 10:00AM May 17, 2022Observed: 4.56 ft at 10:15AM May 17, 2022Observed: 4.56 ft at 10:30AM May 17, 2022Observed: 4.55 ft at 10:45AM May 17, 2022Observed: 4.55 ft at 11:00AM May 17, 2022Observed: 4.55 ft at 11:15AM May 17, 2022Observed: 4.55 ft at 11:30AM May 17, 2022Observed: 4.54 ft at 11:45AM May 17, 2022Observed: 4.54 ft at 12:00PM May 17, 2022Observed: 4.54 ft at 12:15PM May 17, 2022Observed: 4.54 ft at 12:30PM May 17, 2022Observed: 4.54 ft at 12:45PM May 17, 2022Observed: 4.53 ft at 1:00PM May 17, 2022Observed: 4.53 ft at 1:15PM May 17, 2022Observed: 4.52 ft at 1:30PM May 17, 2022Observed: 4.53 ft at 1:45PM May 17, 2022Observed: 4.52 ft at 2:00PM May 17, 2022USGS--Water Resources of the United StatesCLKN4(plotting HGIRG) Graph Created (2:48PM May 17, 2022)ObservedLatest observed value: 4.52 ft at 2:00 PM EDT 17-May-2022. Flood Stage is 8 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 Assunpink Creek at Clarksville. Only observed stages are available for this point.
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Downstream Gauge Downstream Gauge - at Trenton
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 8
Action Stage: 7
Low Stage (in feet): -9999

Historic Crests
(1) 10.90 ft on 08/28/1971
(2) 9.74 ft on 08/29/2011
(3) 9.36 ft on 07/21/1975
(4) 9.25 ft on 04/16/2007
(5) 8.72 ft on 02/25/1979
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.74 ft on 08/29/2011
(2) 9.25 ft on 04/16/2007
(3) 8.72 ft on 02/25/1979
(4) 8.66 ft on 01/26/1978
(5) 9.36 ft on 07/21/1975
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
8 Carnegie Road in Hamilton floods.
7 Portions of Mercer County Park floods, including some lake trails.
About This Location Collapse

Latitude: 40.269722° N, Longitude: 74.672222° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 8 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 49.28 57.28 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:

Additional Information Collapse
During winter months, cold and ice may result in inaccurate real-time stream stage and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.
Resources Collapse
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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Page last modified: 2-Nov-2020 7:30 PM
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