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Hydrograph River at a Glance Download Inundation
Mapping
Swatara Creek at Middletown Stage (ft)Observed: 4.36 ft at 5:30AM Mar 23, 2023Observed: 4.38 ft at 5:45AM Mar 23, 2023Observed: 4.38 ft at 6:00AM Mar 23, 2023Observed: 4.37 ft at 6:15AM Mar 23, 2023Observed: 4.36 ft at 6:30AM Mar 23, 2023Observed: 4.36 ft at 6:45AM Mar 23, 2023Observed: 4.36 ft at 7:00AM Mar 23, 2023Observed: 4.35 ft at 7:15AM Mar 23, 2023Observed: 4.35 ft at 7:30AM Mar 23, 2023Observed: 4.35 ft at 7:45AM Mar 23, 2023Observed: 4.35 ft at 8:00AM Mar 23, 2023Observed: 4.34 ft at 8:15AM Mar 23, 2023Observed: 4.34 ft at 8:30AM Mar 23, 2023Observed: 4.34 ft at 8:45AM Mar 23, 2023Observed: 4.33 ft at 9:00AM Mar 23, 2023Observed: 4.33 ft at 9:15AM Mar 23, 2023Observed: 4.33 ft at 9:30AM Mar 23, 2023Observed: 4.32 ft at 9:45AM Mar 23, 2023Observed: 4.33 ft at 10:00AM Mar 23, 2023Observed: 4.33 ft at 10:15AM Mar 23, 2023Observed: 4.32 ft at 10:30AM Mar 23, 2023Observed: 4.32 ft at 10:45AM Mar 23, 2023Observed: 4.32 ft at 11:00AM Mar 23, 2023Observed: 4.32 ft at 11:15AM Mar 23, 2023Observed: 4.31 ft at 11:30AM Mar 23, 2023Observed: 4.31 ft at 11:45AM Mar 23, 2023Observed: 4.31 ft at 12:00PM Mar 23, 2023Observed: 4.3 ft at 12:15PM Mar 23, 2023Observed: 4.3 ft at 12:30PM Mar 23, 2023Observed: 4.3 ft at 12:45PM Mar 23, 2023Observed: 4.3 ft at 1:00PM Mar 23, 2023Observed: 4.29 ft at 1:15PM Mar 23, 2023Observed: 4.29 ft at 1:30PM Mar 23, 2023Observed: 4.28 ft at 1:45PM Mar 23, 2023Observed: 4.28 ft at 2:00PM Mar 23, 2023Observed: 4.28 ft at 2:15PM Mar 23, 2023Observed: 4.28 ft at 2:30PM Mar 23, 2023Observed: 4.29 ft at 2:45PM Mar 23, 2023Observed: 4.28 ft at 3:00PM Mar 23, 2023Observed: 4.28 ft at 3:15PM Mar 23, 2023Observed: 4.28 ft at 3:30PM Mar 23, 2023Observed: 4.28 ft at 3:45PM Mar 23, 2023Observed: 4.27 ft at 4:00PM Mar 23, 2023Observed: 4.28 ft at 4:15PM Mar 23, 2023Observed: 4.27 ft at 4:26PM Mar 23, 2023Observed: 4.27 ft at 4:30PM Mar 23, 2023Observed: 4.27 ft at 4:45PM Mar 23, 2023Observed: 4.27 ft at 5:00PM Mar 23, 2023Observed: 4.26 ft at 5:15PM Mar 23, 2023Observed: 4.26 ft at 5:30PM Mar 23, 2023Observed: 4.25 ft at 5:45PM Mar 23, 2023Observed: 4.26 ft at 6:00PM Mar 23, 2023Observed: 4.25 ft at 6:15PM Mar 23, 2023Observed: 4.25 ft at 6:30PM Mar 23, 2023Observed: 4.25 ft at 6:45PM Mar 23, 2023Observed: 4.24 ft at 7:00PM Mar 23, 2023Observed: 4.25 ft at 7:15PM Mar 23, 2023Observed: 4.24 ft at 7:30PM Mar 23, 2023Observed: 4.24 ft at 7:45PM Mar 23, 2023Observed: 4.24 ft at 8:00PM Mar 23, 2023Observed: 4.24 ft at 8:15PM Mar 23, 2023Observed: 4.23 ft at 8:30PM Mar 23, 2023Observed: 4.24 ft at 8:45PM Mar 23, 2023Observed: 4.28 ft at 9:00PM Mar 23, 2023Observed: 4.25 ft at 9:15PM Mar 23, 2023Observed: 4.26 ft at 9:30PM Mar 23, 2023Observed: 4.25 ft at 9:45PM Mar 23, 2023Observed: 4.25 ft at 10:00PM Mar 23, 2023Observed: 4.25 ft at 10:15PM Mar 23, 2023Observed: 4.25 ft at 10:30PM Mar 23, 2023Observed: 4.24 ft at 10:45PM Mar 23, 2023Observed: 4.25 ft at 11:00PM Mar 23, 2023Observed: 4.24 ft at 11:15PM Mar 23, 2023Observed: 4.25 ft at 11:30PM Mar 23, 2023Observed: 4.25 ft at 11:45PM Mar 23, 2023Observed: 4.25 ft at 12:00AM Mar 24, 2023Observed: 4.26 ft at 12:15AM Mar 24, 2023Observed: 4.25 ft at 12:30AM Mar 24, 2023Observed: 4.25 ft at 12:45AM Mar 24, 2023Observed: 4.25 ft at 1:00AM Mar 24, 2023Observed: 4.25 ft at 1:15AM Mar 24, 2023Observed: 4.25 ft at 1:30AM Mar 24, 2023Observed: 4.24 ft at 1:45AM Mar 24, 2023Observed: 4.25 ft at 2:00AM Mar 24, 2023Observed: 4.25 ft at 2:15AM Mar 24, 2023Observed: 4.25 ft at 2:30AM Mar 24, 2023Observed: 4.25 ft at 2:45AM Mar 24, 2023Observed: 4.25 ft at 3:00AM Mar 24, 2023Observed: 4.25 ft at 3:15AM Mar 24, 2023Observed: 4.25 ft at 3:30AM Mar 24, 2023Observed: 4.25 ft at 3:45AM Mar 24, 2023Observed: 4.26 ft at 4:00AM Mar 24, 2023Observed: 4.25 ft at 4:15AM Mar 24, 2023Observed: 4.26 ft at 4:26AM Mar 24, 2023Observed: 4.26 ft at 4:30AM Mar 24, 2023Observed: 4.27 ft at 4:45AM Mar 24, 2023Observed: 4.26 ft at 5:00AM Mar 24, 2023Observed: 4.26 ft at 5:15AM Mar 24, 2023Observed: 4.26 ft at 5:30AM Mar 24, 2023Observed: 4.26 ft at 5:45AM Mar 24, 2023Observed: 4.26 ft at 6:00AM Mar 24, 2023Observed: 4.27 ft at 6:15AM Mar 24, 2023Observed: 4.26 ft at 6:30AM Mar 24, 2023Observed: 4.26 ft at 6:45AM Mar 24, 2023Observed: 4.26 ft at 7:00AM Mar 24, 2023Observed: 4.26 ft at 7:15AM Mar 24, 2023Observed: 4.26 ft at 7:30AM Mar 24, 2023Observed: 4.27 ft at 7:45AM Mar 24, 2023Observed: 4.27 ft at 8:00AM Mar 24, 2023Observed: 4.27 ft at 8:15AM Mar 24, 2023Observed: 4.27 ft at 8:30AM Mar 24, 2023Observed: 4.27 ft at 8:45AM Mar 24, 2023Observed: 4.27 ft at 9:00AM Mar 24, 2023Observed: 4.28 ft at 9:15AM Mar 24, 2023Observed: 4.27 ft at 9:30AM Mar 24, 2023Observed: 4.27 ft at 9:45AM Mar 24, 2023Observed: 4.28 ft at 10:00AM Mar 24, 2023Observed: 4.27 ft at 10:15AM Mar 24, 2023Observed: 4.27 ft at 10:30AM Mar 24, 2023Observed: 4.28 ft at 10:45AM Mar 24, 2023Observed: 4.27 ft at 11:00AM Mar 24, 2023Observed: 4.28 ft at 11:15AM Mar 24, 2023Observed: 4.27 ft at 11:30AM Mar 24, 2023Observed: 4.27 ft at 11:45AM Mar 24, 2023Observed: 4.28 ft at 12:00PM Mar 24, 2023Observed: 4.27 ft at 12:15PM Mar 24, 2023Observed: 4.27 ft at 12:30PM Mar 24, 2023Observed: 4.28 ft at 12:45PM Mar 24, 2023Observed: 4.27 ft at 1:00PM Mar 24, 2023Observed: 4.28 ft at 1:15PM Mar 24, 2023Observed: 4.28 ft at 1:30PM Mar 24, 2023Observed: 4.27 ft at 1:45PM Mar 24, 2023Observed: 4.27 ft at 2:00PM Mar 24, 2023Observed: 4.27 ft at 2:15PM Mar 24, 2023Observed: 4.28 ft at 2:30PM Mar 24, 2023Observed: 4.27 ft at 2:45PM Mar 24, 2023Observed: 4.27 ft at 3:00PM Mar 24, 2023Observed: 4.27 ft at 3:15PM Mar 24, 2023Observed: 4.28 ft at 3:30PM Mar 24, 2023Observed: 4.27 ft at 3:45PM Mar 24, 2023Observed: 4.27 ft at 4:00PM Mar 24, 2023Observed: 4.27 ft at 4:15PM Mar 24, 2023Observed: 4.27 ft at 4:30PM Mar 24, 2023Observed: 4.26 ft at 4:41PM Mar 24, 2023Observed: 4.26 ft at 4:45PM Mar 24, 2023Observed: 4.26 ft at 5:00PM Mar 24, 2023Observed: 4.26 ft at 5:15PM Mar 24, 2023Observed: 4.26 ft at 5:30PM Mar 24, 2023Observed: 4.26 ft at 5:45PM Mar 24, 2023Observed: 4.26 ft at 6:00PM Mar 24, 2023Observed: 4.26 ft at 6:15PM Mar 24, 2023Observed: 4.26 ft at 6:30PM Mar 24, 2023Observed: 4.26 ft at 6:45PM Mar 24, 2023Observed: 4.26 ft at 7:00PM Mar 24, 2023Observed: 4.26 ft at 7:15PM Mar 24, 2023Observed: 4.26 ft at 7:30PM Mar 24, 2023Observed: 4.25 ft at 7:45PM Mar 24, 2023Observed: 4.26 ft at 8:00PM Mar 24, 2023Observed: 4.26 ft at 8:15PM Mar 24, 2023Observed: 4.25 ft at 8:30PM Mar 24, 2023Observed: 4.25 ft at 8:45PM Mar 24, 2023Observed: 4.25 ft at 9:00PM Mar 24, 2023Observed: 4.25 ft at 9:15PM Mar 24, 2023Observed: 4.26 ft at 9:30PM Mar 24, 2023Observed: 4.26 ft at 9:45PM Mar 24, 2023Observed: 4.26 ft at 10:00PM Mar 24, 2023Observed: 4.26 ft at 10:15PM Mar 24, 2023Observed: 4.26 ft at 10:30PM Mar 24, 2023Observed: 4.26 ft at 10:45PM Mar 24, 2023Observed: 4.26 ft at 11:00PM Mar 24, 2023Observed: 4.26 ft at 11:15PM Mar 24, 2023Observed: 4.27 ft at 11:30PM Mar 24, 2023Observed: 4.26 ft at 11:45PM Mar 24, 2023Observed: 4.27 ft at 12:00AM Mar 25, 2023Observed: 4.26 ft at 12:15AM Mar 25, 2023Observed: 4.27 ft at 12:30AM Mar 25, 2023Observed: 4.27 ft at 12:45AM Mar 25, 2023Observed: 4.27 ft at 1:00AM Mar 25, 2023Observed: 4.27 ft at 1:15AM Mar 25, 2023Observed: 4.27 ft at 1:30AM Mar 25, 2023Observed: 4.27 ft at 1:45AM Mar 25, 2023Observed: 4.28 ft at 2:00AM Mar 25, 2023Observed: 4.28 ft at 2:15AM Mar 25, 2023Observed: 4.28 ft at 2:30AM Mar 25, 2023Observed: 4.28 ft at 2:45AM Mar 25, 2023Observed: 4.28 ft at 3:00AM Mar 25, 2023Observed: 4.29 ft at 3:15AM Mar 25, 2023Observed: 4.29 ft at 3:30AM Mar 25, 2023Observed: 4.3 ft at 3:45AM Mar 25, 2023Observed: 4.29 ft at 4:00AM Mar 25, 2023Observed: 4.29 ft at 4:15AM Mar 25, 2023Observed: 4.29 ft at 4:30AM Mar 25, 2023Observed: 4.29 ft at 4:41AM Mar 25, 2023Observed: 4.29 ft at 4:45AM Mar 25, 2023Observed: 4.29 ft at 5:00AM Mar 25, 2023Observed: 4.29 ft at 5:15AM Mar 25, 2023Observed: 4.3 ft at 5:30AM Mar 25, 2023Observed: 4.3 ft at 5:45AM Mar 25, 2023Observed: 4.3 ft at 6:00AM Mar 25, 2023Observed: 4.3 ft at 6:15AM Mar 25, 2023Observed: 4.3 ft at 6:30AM Mar 25, 2023Observed: 4.31 ft at 6:45AM Mar 25, 2023Observed: 4.3 ft at 7:00AM Mar 25, 2023Observed: 4.3 ft at 7:15AM Mar 25, 2023Observed: 4.31 ft at 7:30AM Mar 25, 2023Observed: 4.32 ft at 7:45AM Mar 25, 2023Observed: 4.32 ft at 8:00AM Mar 25, 2023Observed: 4.32 ft at 8:15AM Mar 25, 2023Observed: 4.32 ft at 8:30AM Mar 25, 2023Observed: 4.33 ft at 8:45AM Mar 25, 2023Observed: 4.33 ft at 9:00AM Mar 25, 2023Observed: 4.33 ft at 9:15AM Mar 25, 2023Observed: 4.33 ft at 9:30AM Mar 25, 2023Observed: 4.35 ft at 9:45AM Mar 25, 2023Observed: 4.35 ft at 10:00AM Mar 25, 2023Observed: 4.37 ft at 10:15AM Mar 25, 2023Observed: 4.36 ft at 10:30AM Mar 25, 2023Observed: 4.36 ft at 10:45AM Mar 25, 2023Observed: 4.37 ft at 11:00AM Mar 25, 2023Observed: 4.37 ft at 11:15AM Mar 25, 2023Observed: 4.39 ft at 11:30AM Mar 25, 2023Observed: 4.4 ft at 11:45AM Mar 25, 2023Observed: 4.41 ft at 12:00PM Mar 25, 2023Observed: 4.41 ft at 12:15PM Mar 25, 2023Observed: 4.41 ft at 12:30PM Mar 25, 2023Observed: 4.42 ft at 12:45PM Mar 25, 2023Observed: 4.43 ft at 1:00PM Mar 25, 2023Observed: 4.43 ft at 1:15PM Mar 25, 2023Observed: 4.44 ft at 1:30PM Mar 25, 2023Observed: 4.44 ft at 1:45PM Mar 25, 2023Observed: 4.45 ft at 2:00PM Mar 25, 2023Observed: 4.45 ft at 2:15PM Mar 25, 2023Observed: 4.47 ft at 2:30PM Mar 25, 2023Observed: 4.47 ft at 2:45PM Mar 25, 2023Observed: 4.48 ft at 3:00PM Mar 25, 2023Observed: 4.48 ft at 3:15PM Mar 25, 2023Observed: 4.49 ft at 3:30PM Mar 25, 2023Observed: 4.5 ft at 3:45PM Mar 25, 2023Observed: 4.51 ft at 4:00PM Mar 25, 2023Observed: 4.52 ft at 4:15PM Mar 25, 2023Observed: 4.52 ft at 4:30PM Mar 25, 2023Observed: 4.53 ft at 4:41PM Mar 25, 2023Observed: 4.53 ft at 4:45PM Mar 25, 2023Observed: 4.54 ft at 5:00PM Mar 25, 2023Observed: 4.55 ft at 5:15PM Mar 25, 2023Observed: 4.55 ft at 5:30PM Mar 25, 2023Observed: 4.56 ft at 5:45PM Mar 25, 2023Observed: 4.56 ft at 6:00PM Mar 25, 2023Observed: 4.57 ft at 6:15PM Mar 25, 2023Observed: 4.58 ft at 6:30PM Mar 25, 2023Observed: 4.58 ft at 6:45PM Mar 25, 2023Observed: 4.59 ft at 7:00PM Mar 25, 2023Observed: 4.6 ft at 7:15PM Mar 25, 2023Observed: 4.6 ft at 7:30PM Mar 25, 2023Observed: 4.61 ft at 7:45PM Mar 25, 2023Observed: 4.62 ft at 8:00PM Mar 25, 2023Observed: 4.62 ft at 8:15PM Mar 25, 2023Observed: 4.63 ft at 8:30PM Mar 25, 2023Observed: 4.64 ft at 8:45PM Mar 25, 2023Observed: 4.64 ft at 9:00PM Mar 25, 2023Observed: 4.65 ft at 9:15PM Mar 25, 2023Observed: 4.65 ft at 9:30PM Mar 25, 2023Observed: 4.66 ft at 9:45PM Mar 25, 2023Observed: 4.66 ft at 10:00PM Mar 25, 2023Observed: 4.66 ft at 10:15PM Mar 25, 2023Observed: 4.67 ft at 10:30PM Mar 25, 2023Observed: 4.68 ft at 10:45PM Mar 25, 2023Observed: 4.68 ft at 11:00PM Mar 25, 2023Observed: 4.68 ft at 11:15PM Mar 25, 2023Observed: 4.69 ft at 11:30PM Mar 25, 2023Observed: 4.7 ft at 11:45PM Mar 25, 2023Observed: 4.7 ft at 12:00AM Mar 26, 2023Observed: 4.71 ft at 12:15AM Mar 26, 2023Observed: 4.71 ft at 12:30AM Mar 26, 2023Observed: 4.72 ft at 12:45AM Mar 26, 2023Observed: 4.72 ft at 1:00AM Mar 26, 2023Observed: 4.72 ft at 1:15AM Mar 26, 2023Observed: 4.73 ft at 1:30AM Mar 26, 2023Observed: 4.74 ft at 1:45AM Mar 26, 2023Observed: 4.74 ft at 2:00AM Mar 26, 2023Observed: 4.74 ft at 2:15AM Mar 26, 2023Observed: 4.75 ft at 2:30AM Mar 26, 2023Observed: 4.75 ft at 2:45AM Mar 26, 2023Observed: 4.76 ft at 3:00AM Mar 26, 2023Observed: 4.77 ft at 3:15AM Mar 26, 2023Observed: 4.78 ft at 3:30AM Mar 26, 2023Observed: 4.78 ft at 3:45AM Mar 26, 2023Observed: 4.79 ft at 4:00AM Mar 26, 2023Observed: 4.79 ft at 4:15AM Mar 26, 2023Highest Observation: 4.81 ft at 4:41AM Mar 26, 2023Forecast: 5 ft 8:00AM Mar 26, 2023Forecast: 5.4 ft 2:00PM Mar 26, 2023Forecast: 5.7 ft 8:00PM Mar 26, 2023Forecast: 5.9 ft 2:00AM Mar 27, 2023Forecast: 5.9 ft 8:00AM Mar 27, 2023Highest Forecast: 6 ft 2:00PM Mar 27, 2023Highest Forecast: 6 ft 8:00PM Mar 27, 2023Highest Forecast: 6 ft 2:00AM Mar 28, 2023Forecast: 5.9 ft 8:00AM Mar 28, 2023USGS--Water Resources of the United StatesMTLP1(plotting HGIRG) Graph Created (5:17AM Mar 26, 2023)ObservedForecast (issued 10:38AM Mar 25)Latest observed value: 4.81 ft at 4:41 AM EDT 26-Mar-2023. Flood Stage is 11 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Stage may be affected by ice during winter months.

NOTE: Forecasts for the Swatara Creek at Middletown are issued routinely year-round.

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Upstream Gauge - near Hershey Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 18
Moderate Flood Stage: 15
Flood Stage: 11
Action Stage: 10
Low Stage (in feet): 0

Historic Crests
(1) 23.29 ft on 09/09/2011
(2) 16.36 ft on 03/12/2011
(3) 16.19 ft on 07/26/2018
(4) 13.68 ft on 12/26/2020 (P)
(5) 13.46 ft on 09/03/2021 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.26 ft on 02/05/2022 (P)
(2) 13.46 ft on 09/03/2021 (P)
(3) 13.68 ft on 12/26/2020 (P)
(4) 11.76 ft on 09/12/2018
(5) 16.19 ft on 07/26/2018
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:15
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
23.29 Flood of Record. Level of flooding associated with the remnants of Tropical Storm Lee on September 9 2011.
20 Widespread flooding of structures...including the trailer park at Harborton Place and Caravan Court.
18 Widespread flooding occurs. Numerous homes are affected by high water. Route 230 is affected. Flooding begins in the vicinity of Hoffer Park.
15 Flooding begins in the vicinity of Few Avenue and near the community swimming pool.
12 Both banks overflow upstream of the Vine Street Bridge and several basements are affected.
11 Minor overbank flooding begins near the Vine Street Bridge downstream to the Susquehanna River.
Photos
(1) Upstream from gage site
(2) Downstream from Gage
(3) River gage
About This Location Collapse

Latitude: 40.192500° N, Longitude: 76.728333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 11 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 278.56 Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available 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
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State College Weather Forecast Office
328 Innovation Boulevard, Suite 330
State College, PA 16803
(814) 231-2408
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