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Hydrograph River at a Glance Download
Juniata River at Mapleton Depot Stage (ft)Flow (kcfs)Observed: 4.2 ft at 6:15PM May 04, 2024Observed: 4.2 ft at 6:30PM May 04, 2024Observed: 4.2 ft at 6:45PM May 04, 2024Observed: 4.21 ft at 7:00PM May 04, 2024Observed: 4.2 ft at 7:15PM May 04, 2024Observed: 4.21 ft at 7:30PM May 04, 2024Observed: 4.21 ft at 7:45PM May 04, 2024Observed: 4.21 ft at 8:00PM May 04, 2024Observed: 4.22 ft at 8:15PM May 04, 2024Observed: 4.22 ft at 8:30PM May 04, 2024Observed: 4.22 ft at 8:45PM May 04, 2024Observed: 4.22 ft at 9:00PM May 04, 2024Observed: 4.22 ft at 9:15PM May 04, 2024Observed: 4.22 ft at 9:30PM May 04, 2024Observed: 4.22 ft at 9:45PM May 04, 2024Observed: 4.22 ft at 10:00PM May 04, 2024Observed: 4.22 ft at 10:15PM May 04, 2024Observed: 4.22 ft at 10:30PM May 04, 2024Observed: 4.23 ft at 10:45PM May 04, 2024Observed: 4.23 ft at 11:00PM May 04, 2024Observed: 4.23 ft at 11:15PM May 04, 2024Observed: 4.23 ft at 11:30PM May 04, 2024Observed: 4.23 ft at 11:45PM May 04, 2024Observed: 4.23 ft at 12:00AM May 05, 2024Observed: 4.24 ft at 12:15AM May 05, 2024Observed: 4.24 ft at 12:30AM May 05, 2024Observed: 4.25 ft at 12:45AM May 05, 2024Observed: 4.25 ft at 1:00AM May 05, 2024Observed: 4.26 ft at 1:15AM May 05, 2024Observed: 4.26 ft at 1:30AM May 05, 2024Observed: 4.27 ft at 1:45AM May 05, 2024Observed: 4.27 ft at 2:00AM May 05, 2024Observed: 4.27 ft at 2:15AM May 05, 2024Observed: 4.28 ft at 2:30AM May 05, 2024Observed: 4.28 ft at 2:45AM May 05, 2024Observed: 4.28 ft at 3:00AM May 05, 2024Observed: 4.28 ft at 3:15AM May 05, 2024Observed: 4.28 ft at 3:30AM May 05, 2024Observed: 4.29 ft at 3:45AM May 05, 2024Observed: 4.3 ft at 4:00AM May 05, 2024Observed: 4.3 ft at 4:15AM May 05, 2024Observed: 4.3 ft at 4:30AM May 05, 2024Observed: 4.31 ft at 4:45AM May 05, 2024Observed: 4.31 ft at 5:00AM May 05, 2024Observed: 4.32 ft at 5:15AM May 05, 2024Observed: 4.32 ft at 5:16AM May 05, 2024Observed: 4.33 ft at 5:30AM May 05, 2024Observed: 4.33 ft at 5:45AM May 05, 2024Observed: 4.35 ft at 6:00AM May 05, 2024Observed: 4.35 ft at 6:15AM May 05, 2024Observed: 4.35 ft at 6:30AM May 05, 2024Observed: 4.36 ft at 6:45AM May 05, 2024Observed: 4.37 ft at 7:00AM May 05, 2024Observed: 4.38 ft at 7:15AM May 05, 2024Observed: 4.38 ft at 7:30AM May 05, 2024Observed: 4.38 ft at 7:45AM May 05, 2024Observed: 4.39 ft at 8:00AM May 05, 2024Observed: 4.39 ft at 8:15AM May 05, 2024Observed: 4.4 ft at 8:30AM May 05, 2024Observed: 4.4 ft at 8:45AM May 05, 2024Observed: 4.41 ft at 9:00AM May 05, 2024Observed: 4.42 ft at 9:15AM May 05, 2024Observed: 4.43 ft at 9:30AM May 05, 2024Observed: 4.43 ft at 9:45AM May 05, 2024Observed: 4.44 ft at 10:00AM May 05, 2024Observed: 4.45 ft at 10:15AM May 05, 2024Observed: 4.45 ft at 10:30AM May 05, 2024Observed: 4.46 ft at 10:45AM May 05, 2024Observed: 4.46 ft at 11:00AM May 05, 2024Observed: 4.47 ft at 11:15AM May 05, 2024Observed: 4.47 ft at 11:30AM May 05, 2024Observed: 4.47 ft at 11:45AM May 05, 2024Observed: 4.47 ft at 12:00PM May 05, 2024Observed: 4.47 ft at 12:15PM May 05, 2024Observed: 4.47 ft at 12:30PM May 05, 2024Observed: 4.48 ft at 12:45PM May 05, 2024Observed: 4.47 ft at 1:00PM May 05, 2024Observed: 4.48 ft at 1:15PM May 05, 2024Observed: 4.48 ft at 1:30PM May 05, 2024Observed: 4.49 ft at 1:45PM May 05, 2024Observed: 4.48 ft at 2:00PM May 05, 2024Observed: 4.49 ft at 2:15PM May 05, 2024Observed: 4.5 ft at 2:30PM May 05, 2024Observed: 4.5 ft at 2:45PM May 05, 2024Observed: 4.5 ft at 3:00PM May 05, 2024Observed: 4.51 ft at 3:15PM May 05, 2024Observed: 4.51 ft at 3:30PM May 05, 2024Observed: 4.52 ft at 3:45PM May 05, 2024Observed: 4.51 ft at 4:00PM May 05, 2024Observed: 4.52 ft at 4:15PM May 05, 2024Observed: 4.52 ft at 4:30PM May 05, 2024Observed: 4.51 ft at 4:45PM May 05, 2024Observed: 4.52 ft at 5:00PM May 05, 2024Observed: 4.52 ft at 5:15PM May 05, 2024Observed: 4.52 ft at 5:17PM May 05, 2024Observed: 4.52 ft at 5:30PM May 05, 2024Observed: 4.52 ft at 5:45PM May 05, 2024Observed: 4.52 ft at 6:00PM May 05, 2024Observed: 4.53 ft at 6:15PM May 05, 2024Observed: 4.52 ft at 6:30PM May 05, 2024Observed: 4.53 ft at 6:45PM May 05, 2024Observed: 4.53 ft at 7:00PM May 05, 2024Observed: 4.53 ft at 7:15PM May 05, 2024Observed: 4.53 ft at 7:30PM May 05, 2024Observed: 4.54 ft at 7:45PM May 05, 2024Observed: 4.54 ft at 8:00PM May 05, 2024Observed: 4.54 ft at 8:15PM May 05, 2024Observed: 4.54 ft at 8:30PM May 05, 2024Observed: 4.55 ft at 8:45PM May 05, 2024Observed: 4.55 ft at 9:00PM May 05, 2024Observed: 4.56 ft at 9:15PM May 05, 2024Observed: 4.56 ft at 9:30PM May 05, 2024Observed: 4.56 ft at 9:45PM May 05, 2024Observed: 4.56 ft at 10:00PM May 05, 2024Highest Observation: 4.57 ft at 10:15PM May 05, 2024Observed: 4.56 ft at 10:30PM May 05, 2024Observed: 4.56 ft at 10:45PM May 05, 2024Observed: 4.56 ft at 11:00PM May 05, 2024Observed: 4.56 ft at 11:15PM May 05, 2024Observed: 4.55 ft at 11:30PM May 05, 2024Observed: 4.55 ft at 11:45PM May 05, 2024Observed: 4.55 ft at 12:00AM May 06, 2024Observed: 4.55 ft at 12:15AM May 06, 2024Observed: 4.55 ft at 12:30AM May 06, 2024Observed: 4.55 ft at 12:45AM May 06, 2024Observed: 4.55 ft at 1:00AM May 06, 2024Observed: 4.56 ft at 1:15AM May 06, 2024Observed: 4.56 ft at 1:30AM May 06, 2024Observed: 4.56 ft at 1:45AM May 06, 2024Highest Observation: 4.57 ft at 2:00AM May 06, 2024Observed: 4.56 ft at 2:15AM May 06, 2024Highest Observation: 4.57 ft at 2:30AM May 06, 2024Highest Observation: 4.57 ft at 2:45AM May 06, 2024Highest Observation: 4.57 ft at 3:00AM May 06, 2024Highest Observation: 4.57 ft at 3:15AM May 06, 2024Highest Observation: 4.57 ft at 3:30AM May 06, 2024Highest Observation: 4.57 ft at 3:45AM May 06, 2024Highest Observation: 4.57 ft at 4:00AM May 06, 2024Highest Observation: 4.57 ft at 4:15AM May 06, 2024Highest Observation: 4.57 ft at 4:30AM May 06, 2024Highest Observation: 4.57 ft at 4:45AM May 06, 2024Highest Observation: 4.57 ft at 5:00AM May 06, 2024Highest Observation: 4.57 ft at 5:15AM May 06, 2024Observed: 4.56 ft at 5:30AM May 06, 2024Observed: 4.56 ft at 5:45AM May 06, 2024Observed: 4.56 ft at 6:00AM May 06, 2024Observed: 4.56 ft at 6:15AM May 06, 2024Observed: 4.56 ft at 6:30AM May 06, 2024Observed: 4.56 ft at 6:45AM May 06, 2024Observed: 4.56 ft at 7:00AM May 06, 2024Observed: 4.56 ft at 7:15AM May 06, 2024Observed: 4.55 ft at 7:30AM May 06, 2024Observed: 4.55 ft at 7:45AM May 06, 2024Observed: 4.55 ft at 8:00AM May 06, 2024Observed: 4.55 ft at 8:15AM May 06, 2024Observed: 4.54 ft at 8:30AM May 06, 2024Observed: 4.54 ft at 8:45AM May 06, 2024Observed: 4.54 ft at 9:00AM May 06, 2024Observed: 4.54 ft at 9:15AM May 06, 2024Observed: 4.54 ft at 9:30AM May 06, 2024Observed: 4.53 ft at 9:45AM May 06, 2024Observed: 4.53 ft at 10:00AM May 06, 2024Observed: 4.53 ft at 10:15AM May 06, 2024Observed: 4.53 ft at 10:30AM May 06, 2024Observed: 4.52 ft at 10:45AM May 06, 2024Observed: 4.52 ft at 11:00AM May 06, 2024Observed: 4.52 ft at 11:15AM May 06, 2024Observed: 4.51 ft at 11:30AM May 06, 2024Observed: 4.51 ft at 11:45AM May 06, 2024Observed: 4.51 ft at 12:00PM May 06, 2024Observed: 4.51 ft at 12:15PM May 06, 2024Observed: 4.5 ft at 12:30PM May 06, 2024Observed: 4.51 ft at 12:45PM May 06, 2024Observed: 4.5 ft at 1:00PM May 06, 2024Observed: 4.5 ft at 1:15PM May 06, 2024Observed: 4.49 ft at 1:30PM May 06, 2024Observed: 4.49 ft at 1:45PM May 06, 2024Observed: 4.49 ft at 2:00PM May 06, 2024Observed: 4.48 ft at 2:15PM May 06, 2024Observed: 4.48 ft at 2:30PM May 06, 2024Observed: 4.48 ft at 2:45PM May 06, 2024Observed: 4.47 ft at 3:00PM May 06, 2024Observed: 4.46 ft at 3:15PM May 06, 2024Observed: 4.46 ft at 3:30PM May 06, 2024Observed: 4.45 ft at 3:45PM May 06, 2024Observed: 4.45 ft at 4:00PM May 06, 2024Observed: 4.45 ft at 4:15PM May 06, 2024Observed: 4.44 ft at 4:30PM May 06, 2024Observed: 4.44 ft at 4:45PM May 06, 2024Observed: 4.44 ft at 5:00PM May 06, 2024Observed: 4.44 ft at 5:15PM May 06, 2024Observed: 4.43 ft at 5:30PM May 06, 2024Observed: 4.42 ft at 5:45PM May 06, 2024Observed: 4.41 ft at 6:00PM May 06, 2024Observed: 4.4 ft at 6:15PM May 06, 2024Observed: 4.39 ft at 6:30PM May 06, 2024Observed: 4.38 ft at 6:45PM May 06, 2024Observed: 4.38 ft at 7:00PM May 06, 2024Observed: 4.36 ft at 7:15PM May 06, 2024Observed: 4.35 ft at 7:30PM May 06, 2024Observed: 4.34 ft at 7:45PM May 06, 2024Observed: 4.33 ft at 8:00PM May 06, 2024Observed: 4.32 ft at 8:15PM May 06, 2024Observed: 4.32 ft at 8:30PM May 06, 2024Observed: 4.31 ft at 8:45PM May 06, 2024Observed: 4.3 ft at 9:00PM May 06, 2024Observed: 4.3 ft at 9:15PM May 06, 2024Observed: 4.3 ft at 9:30PM May 06, 2024Observed: 4.3 ft at 9:45PM May 06, 2024Observed: 4.3 ft at 10:00PM May 06, 2024Observed: 4.3 ft at 10:15PM May 06, 2024Observed: 4.29 ft at 10:30PM May 06, 2024Observed: 4.3 ft at 10:45PM May 06, 2024Observed: 4.29 ft at 11:00PM May 06, 2024Observed: 4.29 ft at 11:15PM May 06, 2024Observed: 4.28 ft at 11:30PM May 06, 2024Observed: 4.29 ft at 11:45PM May 06, 2024Observed: 4.28 ft at 12:00AM May 07, 2024Observed: 4.27 ft at 12:15AM May 07, 2024Observed: 4.27 ft at 12:30AM May 07, 2024Observed: 4.26 ft at 12:45AM May 07, 2024Observed: 4.26 ft at 1:00AM May 07, 2024Observed: 4.25 ft at 1:15AM May 07, 2024Observed: 4.25 ft at 1:30AM May 07, 2024Observed: 4.25 ft at 1:45AM May 07, 2024Observed: 4.25 ft at 2:00AM May 07, 2024Observed: 4.25 ft at 2:15AM May 07, 2024Observed: 4.25 ft at 2:30AM May 07, 2024Observed: 4.25 ft at 2:45AM May 07, 2024Observed: 4.25 ft at 3:00AM May 07, 2024Observed: 4.25 ft at 3:15AM May 07, 2024Observed: 4.24 ft at 3:30AM May 07, 2024Observed: 4.24 ft at 3:45AM May 07, 2024Observed: 4.24 ft at 4:00AM May 07, 2024Observed: 4.24 ft at 4:15AM May 07, 2024Observed: 4.24 ft at 4:30AM May 07, 2024Observed: 4.23 ft at 4:45AM May 07, 2024Observed: 4.23 ft at 5:00AM May 07, 2024Observed: 4.23 ft at 5:15AM May 07, 2024Observed: 4.22 ft at 5:30AM May 07, 2024Observed: 4.22 ft at 5:32AM May 07, 2024Observed: 4.22 ft at 5:45AM May 07, 2024Observed: 4.22 ft at 6:00AM May 07, 2024Observed: 4.22 ft at 6:15AM May 07, 2024Observed: 4.22 ft at 6:30AM May 07, 2024Observed: 4.21 ft at 6:45AM May 07, 2024Observed: 4.22 ft at 7:00AM May 07, 2024Observed: 4.22 ft at 7:15AM May 07, 2024Observed: 4.22 ft at 7:30AM May 07, 2024Observed: 4.22 ft at 7:45AM May 07, 2024Observed: 4.22 ft at 8:00AM May 07, 2024Observed: 4.22 ft at 8:15AM May 07, 2024Observed: 4.22 ft at 8:30AM May 07, 2024Observed: 4.22 ft at 8:45AM May 07, 2024Observed: 4.22 ft at 9:00AM May 07, 2024Observed: 4.22 ft at 9:15AM May 07, 2024Observed: 4.21 ft at 9:30AM May 07, 2024Observed: 4.21 ft at 9:45AM May 07, 2024Observed: 4.21 ft at 10:00AM May 07, 2024Observed: 4.2 ft at 10:15AM May 07, 2024Observed: 4.2 ft at 10:30AM May 07, 2024Observed: 4.18 ft at 10:45AM May 07, 2024Observed: 4.18 ft at 11:00AM May 07, 2024Observed: 4.18 ft at 11:15AM May 07, 2024Observed: 4.18 ft at 11:30AM May 07, 2024Observed: 4.18 ft at 11:45AM May 07, 2024Observed: 4.19 ft at 12:00PM May 07, 2024Observed: 4.19 ft at 12:15PM May 07, 2024Observed: 4.19 ft at 12:30PM May 07, 2024Observed: 4.19 ft at 12:45PM May 07, 2024Observed: 4.19 ft at 1:00PM May 07, 2024Observed: 4.19 ft at 1:15PM May 07, 2024Observed: 4.17 ft at 3:30PM May 07, 2024Observed: 4.16 ft at 3:45PM May 07, 2024Observed: 4.16 ft at 4:00PM May 07, 2024Observed: 4.16 ft at 4:15PM May 07, 2024Observed: 4.17 ft at 4:30PM May 07, 2024Observed: 4.17 ft at 4:45PM May 07, 2024Observed: 4.17 ft at 5:00PM May 07, 2024Observed: 4.17 ft at 5:15PM May 07, 2024Observed: 4.17 ft at 5:31PM May 07, 2024Forecast: 4.2 ft 8:00PM May 07, 2024Forecast: 4.2 ft 2:00AM May 08, 2024Forecast: 4.3 ft 8:00AM May 08, 2024Forecast: 4.4 ft 2:00PM May 08, 2024Forecast: 4.5 ft 8:00PM May 08, 2024Forecast: 4.5 ft 2:00AM May 09, 2024Forecast: 4.5 ft 8:00AM May 09, 2024Forecast: 4.6 ft 2:00PM May 09, 2024Forecast: 4.9 ft 8:00PM May 09, 2024Forecast: 5.2 ft 2:00AM May 10, 2024Highest Forecast: 5.4 ft 8:00AM May 10, 2024USGS--Water Resources of the United StatesMPLP1(plotting HGIRG) Graph Created (6:03PM May 7, 2024)ObservedForecast (issued 9:55AM May 7)Latest observed value: 4.17 ft at 5:31 PM EDT 7-May-2024. Flood Stage is 20 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Juniata River at Mapleton Depot are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Huntingdon Upstream Gauge Downstream Gauge Downstream Gauge - at Lewistown
Flood Categories (in feet)
Major Flood Stage: 26
Moderate Flood Stage: 24
Flood Stage: 20
Action Stage: 15
Low Stage (in feet): 0

Historic Crests
(1) 38.20 ft on 03/18/1936
(2) 33.07 ft on 06/23/1972
(3) 26.40 ft on 11/25/1950
(4) 23.76 ft on 09/18/2004
(5) 22.47 ft on 01/20/1996
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.76 ft on 09/18/2004
(2) 22.47 ft on 01/20/1996
(3) 18.33 ft on 02/15/1984
(4) 33.07 ft on 06/23/1972
(5) 20.76 ft on 04/03/1970
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.13 ft on 09/13/1963
(2) 1.19 ft on 01/15/1956
(3) 1.19 ft on 11/14/1957
(4) 1.30 ft on 10/12/1953
(5) 1.35 ft on 10/02/1938

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
30 Widespread flooding occurs in the Mapleton area.
28 Numerous homes and businesses in the Mapleton area are flooded. High water inundates the approaches to the bridge connecting Mapleton with Route 22.
26 Many homes on the right, or south bank are affected. The approaches of the highway bridge connecting Mapleton with Route 22 are inundated.
24 The right, or south bank overflows. High water affects homes on the right bank near the gage. The glass plant upstream of the gage on the left bank is also flooded.
22 The left, or north bank overflows into low lying areas. Route 22 is threatened.
20 The left or north bank overflows into low lying areas.
Photos
(1) looking upstream
(2) view of the gagehouse
(3) looking downstream
About This Location Collapse

Latitude: 40.392222° N, Longitude: 77.935278° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 20 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 29 557.31 577.31 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
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.
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
State College Weather Forecast Office
328 Innovation Boulevard, Suite 330
State College, PA 16803
(814) 954-6400
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