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Hydrograph River at a Glance Download
East Branch Bass River at New Gretna Stage (ft)Flow (kcfs)Highest Observation: 3.92 ft at 7:15PM Dec 01, 2021Highest Observation: 3.92 ft at 7:30PM Dec 01, 2021Highest Observation: 3.92 ft at 7:45PM Dec 01, 2021Highest Observation: 3.92 ft at 8:00PM Dec 01, 2021Highest Observation: 3.92 ft at 8:15PM Dec 01, 2021Highest Observation: 3.92 ft at 8:30PM Dec 01, 2021Highest Observation: 3.92 ft at 8:45PM Dec 01, 2021Highest Observation: 3.92 ft at 9:00PM Dec 01, 2021Highest Observation: 3.92 ft at 9:15PM Dec 01, 2021Highest Observation: 3.92 ft at 9:30PM Dec 01, 2021Highest Observation: 3.92 ft at 9:45PM Dec 01, 2021Highest Observation: 3.92 ft at 10:00PM Dec 01, 2021Highest Observation: 3.92 ft at 10:15PM Dec 01, 2021Highest Observation: 3.92 ft at 10:30PM Dec 01, 2021Highest Observation: 3.92 ft at 10:45PM Dec 01, 2021Highest Observation: 3.92 ft at 11:00PM Dec 01, 2021Highest Observation: 3.92 ft at 11:15PM Dec 01, 2021Highest Observation: 3.92 ft at 11:30PM Dec 01, 2021Highest Observation: 3.92 ft at 11:45PM Dec 01, 2021Highest Observation: 3.92 ft at 12:00AM Dec 02, 2021Highest Observation: 3.92 ft at 12:15AM Dec 02, 2021Highest Observation: 3.92 ft at 12:30AM Dec 02, 2021Highest Observation: 3.92 ft at 12:45AM Dec 02, 2021Highest Observation: 3.92 ft at 1:00AM Dec 02, 2021Highest Observation: 3.92 ft at 1:15AM Dec 02, 2021Highest Observation: 3.92 ft at 1:30AM Dec 02, 2021Highest Observation: 3.92 ft at 1:45AM Dec 02, 2021Highest Observation: 3.92 ft at 2:00AM Dec 02, 2021Highest Observation: 3.92 ft at 2:15AM Dec 02, 2021Highest Observation: 3.92 ft at 2:30AM Dec 02, 2021Highest Observation: 3.92 ft at 2:45AM Dec 02, 2021Highest Observation: 3.92 ft at 3:00AM Dec 02, 2021Highest Observation: 3.92 ft at 3:15AM Dec 02, 2021Highest Observation: 3.92 ft at 3:30AM Dec 02, 2021Highest Observation: 3.92 ft at 3:45AM Dec 02, 2021Highest Observation: 3.92 ft at 4:00AM Dec 02, 2021Highest Observation: 3.92 ft at 4:15AM Dec 02, 2021Highest Observation: 3.92 ft at 4:30AM Dec 02, 2021Highest Observation: 3.92 ft at 4:45AM Dec 02, 2021Highest Observation: 3.92 ft at 5:00AM Dec 02, 2021Highest Observation: 3.92 ft at 5:15AM Dec 02, 2021Highest Observation: 3.92 ft at 5:30AM Dec 02, 2021Highest Observation: 3.92 ft at 5:45AM Dec 02, 2021Highest Observation: 3.92 ft at 6:00AM Dec 02, 2021Highest Observation: 3.92 ft at 6:15AM Dec 02, 2021Highest Observation: 3.92 ft at 6:30AM Dec 02, 2021Highest Observation: 3.92 ft at 6:45AM Dec 02, 2021Highest Observation: 3.92 ft at 7:00AM Dec 02, 2021Highest Observation: 3.92 ft at 7:15AM Dec 02, 2021Highest Observation: 3.92 ft at 7:30AM Dec 02, 2021Highest Observation: 3.92 ft at 7:45AM Dec 02, 2021Highest Observation: 3.92 ft at 8:00AM Dec 02, 2021Highest Observation: 3.92 ft at 8:15AM Dec 02, 2021Highest Observation: 3.92 ft at 8:30AM Dec 02, 2021Highest Observation: 3.92 ft at 8:45AM Dec 02, 2021Highest Observation: 3.92 ft at 9:00AM Dec 02, 2021Highest Observation: 3.92 ft at 9:15AM Dec 02, 2021Highest Observation: 3.92 ft at 9:30AM Dec 02, 2021Highest Observation: 3.92 ft at 9:45AM Dec 02, 2021Highest Observation: 3.92 ft at 10:00AM Dec 02, 2021Highest Observation: 3.92 ft at 10:15AM Dec 02, 2021Highest Observation: 3.92 ft at 10:30AM Dec 02, 2021Highest Observation: 3.92 ft at 10:45AM Dec 02, 2021Observed: 3.91 ft at 11:00AM Dec 02, 2021Observed: 3.91 ft at 11:15AM Dec 02, 2021Observed: 3.91 ft at 11:30AM Dec 02, 2021Observed: 3.91 ft at 11:45AM Dec 02, 2021Observed: 3.91 ft at 12:00PM Dec 02, 2021Observed: 3.91 ft at 12:15PM Dec 02, 2021Observed: 3.91 ft at 12:30PM Dec 02, 2021Observed: 3.91 ft at 12:45PM Dec 02, 2021Observed: 3.91 ft at 1:00PM Dec 02, 2021Observed: 3.91 ft at 1:15PM Dec 02, 2021Observed: 3.91 ft at 1:30PM Dec 02, 2021Observed: 3.91 ft at 1:45PM Dec 02, 2021Observed: 3.91 ft at 2:00PM Dec 02, 2021Observed: 3.91 ft at 2:15PM Dec 02, 2021Observed: 3.91 ft at 2:30PM Dec 02, 2021Observed: 3.91 ft at 2:45PM Dec 02, 2021Observed: 3.91 ft at 3:00PM Dec 02, 2021Observed: 3.91 ft at 3:15PM Dec 02, 2021Observed: 3.91 ft at 3:30PM Dec 02, 2021Observed: 3.91 ft at 3:45PM Dec 02, 2021Observed: 3.91 ft at 4:00PM Dec 02, 2021Observed: 3.91 ft at 4:15PM Dec 02, 2021Observed: 3.91 ft at 4:30PM Dec 02, 2021Observed: 3.91 ft at 4:45PM Dec 02, 2021Observed: 3.91 ft at 5:00PM Dec 02, 2021Observed: 3.91 ft at 5:15PM Dec 02, 2021Observed: 3.91 ft at 5:30PM Dec 02, 2021Observed: 3.91 ft at 5:45PM Dec 02, 2021Observed: 3.91 ft at 6:00PM Dec 02, 2021Observed: 3.91 ft at 6:15PM Dec 02, 2021Observed: 3.91 ft at 6:30PM Dec 02, 2021Observed: 3.91 ft at 6:45PM Dec 02, 2021Observed: 3.91 ft at 7:00PM Dec 02, 2021Observed: 3.91 ft at 7:15PM Dec 02, 2021Observed: 3.91 ft at 7:30PM Dec 02, 2021Observed: 3.91 ft at 7:45PM Dec 02, 2021Observed: 3.91 ft at 8:00PM Dec 02, 2021Observed: 3.91 ft at 8:15PM Dec 02, 2021Observed: 3.91 ft at 8:30PM Dec 02, 2021Observed: 3.91 ft at 8:45PM Dec 02, 2021Observed: 3.91 ft at 9:00PM Dec 02, 2021Observed: 3.91 ft at 9:15PM Dec 02, 2021Observed: 3.91 ft at 9:30PM Dec 02, 2021Observed: 3.91 ft at 9:45PM Dec 02, 2021Observed: 3.91 ft at 10:00PM Dec 02, 2021Observed: 3.91 ft at 10:15PM Dec 02, 2021Observed: 3.91 ft at 10:30PM Dec 02, 2021Observed: 3.91 ft at 10:45PM Dec 02, 2021Observed: 3.91 ft at 11:00PM Dec 02, 2021Observed: 3.91 ft at 11:15PM Dec 02, 2021Observed: 3.91 ft at 11:30PM Dec 02, 2021Observed: 3.91 ft at 11:45PM Dec 02, 2021Observed: 3.91 ft at 12:00AM Dec 03, 2021Observed: 3.91 ft at 12:15AM Dec 03, 2021Observed: 3.91 ft at 12:30AM Dec 03, 2021Observed: 3.91 ft at 12:45AM Dec 03, 2021Observed: 3.91 ft at 1:00AM Dec 03, 2021Observed: 3.91 ft at 1:15AM Dec 03, 2021Observed: 3.91 ft at 1:30AM Dec 03, 2021Observed: 3.91 ft at 1:45AM Dec 03, 2021Observed: 3.91 ft at 2:00AM Dec 03, 2021Observed: 3.91 ft at 2:15AM Dec 03, 2021Observed: 3.91 ft at 2:30AM Dec 03, 2021Observed: 3.91 ft at 2:45AM Dec 03, 2021Observed: 3.91 ft at 3:00AM Dec 03, 2021Observed: 3.91 ft at 3:15AM Dec 03, 2021Observed: 3.91 ft at 3:30AM Dec 03, 2021Observed: 3.91 ft at 3:45AM Dec 03, 2021Observed: 3.91 ft at 4:00AM Dec 03, 2021Observed: 3.91 ft at 4:15AM Dec 03, 2021Observed: 3.91 ft at 4:30AM Dec 03, 2021Observed: 3.91 ft at 4:45AM Dec 03, 2021Observed: 3.91 ft at 5:00AM Dec 03, 2021Observed: 3.91 ft at 5:15AM Dec 03, 2021Observed: 3.91 ft at 5:30AM Dec 03, 2021Observed: 3.91 ft at 5:45AM Dec 03, 2021Observed: 3.91 ft at 6:00AM Dec 03, 2021Observed: 3.91 ft at 6:15AM Dec 03, 2021Observed: 3.91 ft at 6:30AM Dec 03, 2021Observed: 3.91 ft at 6:45AM Dec 03, 2021Observed: 3.91 ft at 7:00AM Dec 03, 2021Observed: 3.91 ft at 7:15AM Dec 03, 2021Observed: 3.91 ft at 7:30AM Dec 03, 2021Observed: 3.91 ft at 7:45AM Dec 03, 2021Observed: 3.91 ft at 8:00AM Dec 03, 2021Observed: 3.91 ft at 8:15AM Dec 03, 2021Observed: 3.91 ft at 8:30AM Dec 03, 2021Observed: 3.91 ft at 8:45AM Dec 03, 2021Observed: 3.91 ft at 9:00AM Dec 03, 2021Observed: 3.91 ft at 9:15AM Dec 03, 2021Observed: 3.91 ft at 9:30AM Dec 03, 2021Observed: 3.91 ft at 9:45AM Dec 03, 2021Observed: 3.91 ft at 10:00AM Dec 03, 2021Observed: 3.91 ft at 10:15AM Dec 03, 2021Observed: 3.91 ft at 10:30AM Dec 03, 2021Observed: 3.91 ft at 10:45AM Dec 03, 2021Observed: 3.91 ft at 11:00AM Dec 03, 2021Observed: 3.91 ft at 11:15AM Dec 03, 2021Observed: 3.91 ft at 11:30AM Dec 03, 2021Observed: 3.91 ft at 11:45AM Dec 03, 2021Observed: 3.91 ft at 12:00PM Dec 03, 2021Observed: 3.91 ft at 12:15PM Dec 03, 2021Observed: 3.91 ft at 12:30PM Dec 03, 2021Observed: 3.91 ft at 12:45PM Dec 03, 2021Observed: 3.91 ft at 1:00PM Dec 03, 2021Observed: 3.91 ft at 1:15PM Dec 03, 2021Observed: 3.91 ft at 1:30PM Dec 03, 2021Observed: 3.91 ft at 1:45PM Dec 03, 2021Observed: 3.91 ft at 2:00PM Dec 03, 2021Observed: 3.91 ft at 2:15PM Dec 03, 2021Observed: 3.91 ft at 2:30PM Dec 03, 2021Observed: 3.91 ft at 2:45PM Dec 03, 2021Observed: 3.91 ft at 3:00PM Dec 03, 2021Observed: 3.91 ft at 3:15PM Dec 03, 2021Observed: 3.91 ft at 3:30PM Dec 03, 2021Observed: 3.91 ft at 3:45PM Dec 03, 2021Observed: 3.91 ft at 4:00PM Dec 03, 2021Observed: 3.91 ft at 4:15PM Dec 03, 2021Observed: 3.91 ft at 4:30PM Dec 03, 2021Observed: 3.91 ft at 4:45PM Dec 03, 2021Observed: 3.91 ft at 5:00PM Dec 03, 2021Observed: 3.91 ft at 5:15PM Dec 03, 2021Observed: 3.91 ft at 5:30PM Dec 03, 2021Observed: 3.91 ft at 5:45PM Dec 03, 2021Observed: 3.91 ft at 6:00PM Dec 03, 2021Observed: 3.91 ft at 6:15PM Dec 03, 2021Observed: 3.91 ft at 6:30PM Dec 03, 2021Observed: 3.91 ft at 6:45PM Dec 03, 2021Observed: 3.91 ft at 7:00PM Dec 03, 2021Observed: 3.91 ft at 7:15PM Dec 03, 2021Observed: 3.91 ft at 7:30PM Dec 03, 2021Observed: 3.91 ft at 7:45PM Dec 03, 2021Observed: 3.91 ft at 8:00PM Dec 03, 2021Observed: 3.91 ft at 8:15PM Dec 03, 2021Observed: 3.91 ft at 8:30PM Dec 03, 2021Observed: 3.91 ft at 8:45PM Dec 03, 2021Observed: 3.91 ft at 9:00PM Dec 03, 2021Observed: 3.91 ft at 9:15PM Dec 03, 2021Observed: 3.91 ft at 9:30PM Dec 03, 2021Observed: 3.91 ft at 9:45PM Dec 03, 2021Observed: 3.91 ft at 10:00PM Dec 03, 2021Observed: 3.91 ft at 10:15PM Dec 03, 2021Observed: 3.91 ft at 10:30PM Dec 03, 2021Observed: 3.91 ft at 10:45PM Dec 03, 2021Observed: 3.91 ft at 11:00PM Dec 03, 2021Observed: 3.91 ft at 11:15PM Dec 03, 2021Observed: 3.91 ft at 11:30PM Dec 03, 2021Observed: 3.91 ft at 11:45PM Dec 03, 2021Observed: 3.91 ft at 12:00AM Dec 04, 2021Observed: 3.91 ft at 12:15AM Dec 04, 2021Observed: 3.91 ft at 12:30AM Dec 04, 2021Observed: 3.91 ft at 12:45AM Dec 04, 2021Observed: 3.91 ft at 1:00AM Dec 04, 2021Observed: 3.91 ft at 1:15AM Dec 04, 2021Observed: 3.91 ft at 1:30AM Dec 04, 2021Observed: 3.91 ft at 1:45AM Dec 04, 2021Observed: 3.91 ft at 2:00AM Dec 04, 2021Observed: 3.91 ft at 2:15AM Dec 04, 2021Observed: 3.91 ft at 2:30AM Dec 04, 2021Observed: 3.91 ft at 2:45AM Dec 04, 2021Observed: 3.9 ft at 3:00AM Dec 04, 2021Observed: 3.9 ft at 3:15AM Dec 04, 2021Observed: 3.9 ft at 3:30AM Dec 04, 2021Observed: 3.9 ft at 3:45AM Dec 04, 2021Observed: 3.9 ft at 4:00AM Dec 04, 2021Observed: 3.9 ft at 4:15AM Dec 04, 2021Observed: 3.9 ft at 4:30AM Dec 04, 2021Observed: 3.9 ft at 4:45AM Dec 04, 2021Observed: 3.9 ft at 5:00AM Dec 04, 2021Observed: 3.9 ft at 5:15AM Dec 04, 2021Observed: 3.9 ft at 5:30AM Dec 04, 2021Observed: 3.9 ft at 5:45AM Dec 04, 2021Observed: 3.9 ft at 6:00AM Dec 04, 2021Observed: 3.9 ft at 6:15AM Dec 04, 2021Observed: 3.9 ft at 6:30AM Dec 04, 2021Observed: 3.9 ft at 6:45AM Dec 04, 2021Observed: 3.9 ft at 7:00AM Dec 04, 2021Observed: 3.9 ft at 7:15AM Dec 04, 2021Observed: 3.9 ft at 7:30AM Dec 04, 2021Observed: 3.9 ft at 7:45AM Dec 04, 2021Observed: 3.9 ft at 8:00AM Dec 04, 2021Observed: 3.9 ft at 8:15AM Dec 04, 2021Observed: 3.9 ft at 8:30AM Dec 04, 2021Observed: 3.9 ft at 8:45AM Dec 04, 2021Observed: 3.9 ft at 9:00AM Dec 04, 2021Observed: 3.9 ft at 9:15AM Dec 04, 2021Observed: 3.9 ft at 9:30AM Dec 04, 2021Observed: 3.9 ft at 9:45AM Dec 04, 2021Observed: 3.9 ft at 10:00AM Dec 04, 2021Observed: 3.9 ft at 10:15AM Dec 04, 2021Observed: 3.9 ft at 10:30AM Dec 04, 2021Observed: 3.9 ft at 10:45AM Dec 04, 2021Observed: 3.9 ft at 11:00AM Dec 04, 2021Observed: 3.9 ft at 11:15AM Dec 04, 2021Observed: 3.9 ft at 11:30AM Dec 04, 2021Observed: 3.9 ft at 11:45AM Dec 04, 2021Observed: 3.9 ft at 12:00PM Dec 04, 2021Observed: 3.9 ft at 12:15PM Dec 04, 2021Observed: 3.9 ft at 12:30PM Dec 04, 2021Observed: 3.9 ft at 12:45PM Dec 04, 2021Observed: 3.9 ft at 1:00PM Dec 04, 2021Observed: 3.9 ft at 1:15PM Dec 04, 2021Observed: 3.9 ft at 1:30PM Dec 04, 2021Observed: 3.9 ft at 1:45PM Dec 04, 2021Observed: 3.9 ft at 2:00PM Dec 04, 2021Observed: 3.9 ft at 2:15PM Dec 04, 2021Observed: 3.9 ft at 2:30PM Dec 04, 2021Observed: 3.9 ft at 2:45PM Dec 04, 2021Observed: 3.9 ft at 3:00PM Dec 04, 2021Observed: 3.9 ft at 3:15PM Dec 04, 2021Observed: 3.9 ft at 3:30PM Dec 04, 2021Observed: 3.9 ft at 3:45PM Dec 04, 2021Observed: 3.9 ft at 4:00PM Dec 04, 2021Observed: 3.9 ft at 4:15PM Dec 04, 2021Observed: 3.9 ft at 4:30PM Dec 04, 2021Observed: 3.9 ft at 4:45PM Dec 04, 2021Observed: 3.9 ft at 5:00PM Dec 04, 2021Observed: 3.9 ft at 5:15PM Dec 04, 2021Observed: 3.9 ft at 5:30PM Dec 04, 2021Observed: 3.9 ft at 5:45PM Dec 04, 2021Observed: 3.9 ft at 6:00PM Dec 04, 2021Observed: 3.9 ft at 6:15PM Dec 04, 2021USGS--Water Resources of the United StatesNGTN4(plotting HGIRG) Graph Created (7:04PM Dec 4, 2021)ObservedLatest observed value: 3.9 ft at 6:15 PM EST 4-Dec-2021. Flood Stage is 6 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the East Branch Bass River at New Gretna. Only observed stages are available for this point.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 6
Action Stage: 5.5
Low Stage (in feet): 0

Historic Crests
(1) 7.28 ft on 08/21/1997
(2) 6.50 ft on 08/13/2000
(3) 5.97 ft on 07/14/1991
(4) 5.87 ft on 07/04/1978
(5) 5.78 ft on 12/27/2009

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.78 ft on 12/27/2009
(2) 6.50 ft on 08/13/2000
(3) 7.28 ft on 08/21/1997
(4) 5.97 ft on 07/14/1991
(5) 5.87 ft on 07/04/1978

(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.
About This Location Collapse

Latitude: 39.622778° N, Longitude: 74.441667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 6 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 1.10 7.10 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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