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Mapping
Swatara Creek at Harper Tavern Stage (ft)Flow (kcfs)Observed: 0.76 ft at 5:45AM Jun 30, 2020Observed: 0.76 ft at 6:00AM Jun 30, 2020Observed: 0.76 ft at 6:15AM Jun 30, 2020Observed: 0.76 ft at 6:30AM Jun 30, 2020Observed: 0.75 ft at 6:45AM Jun 30, 2020Observed: 0.75 ft at 7:00AM Jun 30, 2020Observed: 0.75 ft at 7:15AM Jun 30, 2020Observed: 0.75 ft at 7:30AM Jun 30, 2020Observed: 0.75 ft at 7:31AM Jun 30, 2020Observed: 0.75 ft at 7:45AM Jun 30, 2020Observed: 0.75 ft at 8:00AM Jun 30, 2020Observed: 0.75 ft at 8:15AM Jun 30, 2020Observed: 0.75 ft at 8:30AM Jun 30, 2020Observed: 0.75 ft at 8:45AM Jun 30, 2020Observed: 0.74 ft at 9:00AM Jun 30, 2020Observed: 0.74 ft at 9:15AM Jun 30, 2020Observed: 0.74 ft at 9:30AM Jun 30, 2020Observed: 0.74 ft at 9:45AM Jun 30, 2020Observed: 0.74 ft at 10:00AM Jun 30, 2020Observed: 0.73 ft at 10:15AM Jun 30, 2020Observed: 0.73 ft at 10:30AM Jun 30, 2020Observed: 0.73 ft at 10:45AM Jun 30, 2020Observed: 0.73 ft at 11:00AM Jun 30, 2020Observed: 0.73 ft at 11:15AM Jun 30, 2020Observed: 0.73 ft at 11:30AM Jun 30, 2020Observed: 0.73 ft at 11:45AM Jun 30, 2020Observed: 0.73 ft at 12:00PM Jun 30, 2020Highest Observation: 0.79 ft at 12:15PM Jun 30, 2020Highest Observation: 0.79 ft at 12:30PM Jun 30, 2020Highest Observation: 0.79 ft at 12:45PM Jun 30, 2020Observed: 0.78 ft at 1:00PM Jun 30, 2020Observed: 0.78 ft at 1:15PM Jun 30, 2020Observed: 0.78 ft at 1:30PM Jun 30, 2020Observed: 0.78 ft at 1:45PM Jun 30, 2020Observed: 0.78 ft at 2:00PM Jun 30, 2020Observed: 0.77 ft at 2:15PM Jun 30, 2020Observed: 0.77 ft at 2:30PM Jun 30, 2020Observed: 0.77 ft at 2:45PM Jun 30, 2020Observed: 0.77 ft at 3:00PM Jun 30, 2020Observed: 0.77 ft at 3:15PM Jun 30, 2020Observed: 0.77 ft at 3:30PM Jun 30, 2020Observed: 0.77 ft at 3:45PM Jun 30, 2020Observed: 0.76 ft at 4:00PM Jun 30, 2020Observed: 0.76 ft at 4:15PM Jun 30, 2020Observed: 0.76 ft at 4:30PM Jun 30, 2020Observed: 0.76 ft at 4:45PM Jun 30, 2020Observed: 0.76 ft at 5:00PM Jun 30, 2020Observed: 0.76 ft at 5:15PM Jun 30, 2020Observed: 0.77 ft at 5:30PM Jun 30, 2020Observed: 0.77 ft at 5:45PM Jun 30, 2020Observed: 0.77 ft at 5:46PM Jun 30, 2020Observed: 0.77 ft at 6:00PM Jun 30, 2020Observed: 0.77 ft at 6:15PM Jun 30, 2020Observed: 0.77 ft at 6:30PM Jun 30, 2020Observed: 0.77 ft at 6:45PM Jun 30, 2020Observed: 0.77 ft at 7:00PM Jun 30, 2020Observed: 0.77 ft at 7:15PM Jun 30, 2020Observed: 0.77 ft at 7:30PM Jun 30, 2020Observed: 0.77 ft at 7:45PM Jun 30, 2020Observed: 0.77 ft at 8:00PM Jun 30, 2020Observed: 0.77 ft at 8:15PM Jun 30, 2020Observed: 0.77 ft at 8:30PM Jun 30, 2020Observed: 0.77 ft at 8:45PM Jun 30, 2020Observed: 0.77 ft at 9:00PM Jun 30, 2020Observed: 0.77 ft at 9:15PM Jun 30, 2020Observed: 0.77 ft at 9:30PM Jun 30, 2020Observed: 0.77 ft at 9:45PM Jun 30, 2020Observed: 0.77 ft at 10:00PM Jun 30, 2020Observed: 0.77 ft at 10:15PM Jun 30, 2020Observed: 0.77 ft at 10:30PM Jun 30, 2020Observed: 0.77 ft at 10:45PM Jun 30, 2020Observed: 0.77 ft at 11:00PM Jun 30, 2020Observed: 0.77 ft at 11:15PM Jun 30, 2020Observed: 0.77 ft at 11:30PM Jun 30, 2020Observed: 0.76 ft at 11:45PM Jun 30, 2020Observed: 0.77 ft at 12:00AM Jul 01, 2020Observed: 0.76 ft at 12:15AM Jul 01, 2020Observed: 0.76 ft at 12:30AM Jul 01, 2020Observed: 0.76 ft at 12:45AM Jul 01, 2020Observed: 0.76 ft at 1:00AM Jul 01, 2020Observed: 0.76 ft at 1:15AM Jul 01, 2020Observed: 0.76 ft at 1:30AM Jul 01, 2020Observed: 0.76 ft at 1:45AM Jul 01, 2020Observed: 0.76 ft at 2:00AM Jul 01, 2020Observed: 0.76 ft at 2:15AM Jul 01, 2020Observed: 0.76 ft at 2:30AM Jul 01, 2020Observed: 0.76 ft at 2:45AM Jul 01, 2020Observed: 0.76 ft at 3:00AM Jul 01, 2020Observed: 0.76 ft at 3:15AM Jul 01, 2020Observed: 0.76 ft at 3:30AM Jul 01, 2020Observed: 0.76 ft at 3:45AM Jul 01, 2020Observed: 0.76 ft at 4:00AM Jul 01, 2020Observed: 0.76 ft at 4:15AM Jul 01, 2020Observed: 0.76 ft at 4:30AM Jul 01, 2020Observed: 0.76 ft at 4:45AM Jul 01, 2020Observed: 0.76 ft at 5:00AM Jul 01, 2020Observed: 0.76 ft at 5:15AM Jul 01, 2020Observed: 0.76 ft at 5:30AM Jul 01, 2020Observed: 0.76 ft at 5:45AM Jul 01, 2020Observed: 0.76 ft at 6:00AM Jul 01, 2020Observed: 0.76 ft at 6:15AM Jul 01, 2020Observed: 0.76 ft at 6:30AM Jul 01, 2020Observed: 0.75 ft at 6:45AM Jul 01, 2020Observed: 0.76 ft at 7:00AM Jul 01, 2020Observed: 0.76 ft at 7:15AM Jul 01, 2020Observed: 0.76 ft at 7:30AM Jul 01, 2020Observed: 0.75 ft at 7:45AM Jul 01, 2020Observed: 0.75 ft at 8:00AM Jul 01, 2020Observed: 0.75 ft at 8:15AM Jul 01, 2020Observed: 0.75 ft at 8:30AM Jul 01, 2020Observed: 0.75 ft at 8:45AM Jul 01, 2020Observed: 0.75 ft at 9:00AM Jul 01, 2020Observed: 0.75 ft at 9:15AM Jul 01, 2020Observed: 0.75 ft at 9:30AM Jul 01, 2020Observed: 0.75 ft at 9:45AM Jul 01, 2020Observed: 0.75 ft at 10:00AM Jul 01, 2020Observed: 0.75 ft at 10:15AM Jul 01, 2020Observed: 0.74 ft at 10:30AM Jul 01, 2020Observed: 0.74 ft at 10:45AM Jul 01, 2020Observed: 0.74 ft at 11:00AM Jul 01, 2020Observed: 0.74 ft at 11:15AM Jul 01, 2020Observed: 0.74 ft at 11:30AM Jul 01, 2020Observed: 0.74 ft at 11:45AM Jul 01, 2020Observed: 0.74 ft at 12:00PM Jul 01, 2020Observed: 0.73 ft at 12:15PM Jul 01, 2020Observed: 0.73 ft at 12:30PM Jul 01, 2020Observed: 0.74 ft at 12:45PM Jul 01, 2020Observed: 0.73 ft at 1:00PM Jul 01, 2020Observed: 0.74 ft at 1:15PM Jul 01, 2020Observed: 0.73 ft at 1:30PM Jul 01, 2020Observed: 0.73 ft at 1:45PM Jul 01, 2020Observed: 0.73 ft at 2:00PM Jul 01, 2020Observed: 0.73 ft at 2:15PM Jul 01, 2020Observed: 0.73 ft at 2:30PM Jul 01, 2020Observed: 0.73 ft at 2:45PM Jul 01, 2020Observed: 0.73 ft at 3:00PM Jul 01, 2020Observed: 0.73 ft at 3:15PM Jul 01, 2020Observed: 0.73 ft at 3:30PM Jul 01, 2020Observed: 0.72 ft at 3:45PM Jul 01, 2020Observed: 0.73 ft at 4:00PM Jul 01, 2020Observed: 0.72 ft at 4:15PM Jul 01, 2020Observed: 0.72 ft at 4:30PM Jul 01, 2020Observed: 0.73 ft at 4:45PM Jul 01, 2020Observed: 0.72 ft at 5:00PM Jul 01, 2020Observed: 0.72 ft at 5:15PM Jul 01, 2020Observed: 0.72 ft at 5:30PM Jul 01, 2020Observed: 0.72 ft at 5:45PM Jul 01, 2020Observed: 0.72 ft at 6:00PM Jul 01, 2020Observed: 0.73 ft at 6:15PM Jul 01, 2020Observed: 0.72 ft at 6:30PM Jul 01, 2020Observed: 0.72 ft at 6:45PM Jul 01, 2020Observed: 0.72 ft at 7:00PM Jul 01, 2020Observed: 0.72 ft at 7:15PM Jul 01, 2020Observed: 0.72 ft at 7:30PM Jul 01, 2020Observed: 0.72 ft at 7:45PM Jul 01, 2020Observed: 0.72 ft at 8:00PM Jul 01, 2020Observed: 0.72 ft at 8:15PM Jul 01, 2020Observed: 0.72 ft at 8:30PM Jul 01, 2020Observed: 0.72 ft at 8:45PM Jul 01, 2020Observed: 0.72 ft at 9:00PM Jul 01, 2020Observed: 0.72 ft at 9:15PM Jul 01, 2020Observed: 0.72 ft at 9:30PM Jul 01, 2020Observed: 0.71 ft at 9:45PM Jul 01, 2020Observed: 0.71 ft at 10:00PM Jul 01, 2020Observed: 0.72 ft at 10:15PM Jul 01, 2020Observed: 0.72 ft at 10:30PM Jul 01, 2020Observed: 0.71 ft at 10:45PM Jul 01, 2020Observed: 0.72 ft at 11:00PM Jul 01, 2020Observed: 0.71 ft at 11:15PM Jul 01, 2020Observed: 0.71 ft at 11:30PM Jul 01, 2020Observed: 0.71 ft at 11:45PM Jul 01, 2020Observed: 0.71 ft at 12:00AM Jul 02, 2020Observed: 0.71 ft at 12:15AM Jul 02, 2020Observed: 0.71 ft at 12:30AM Jul 02, 2020Observed: 0.71 ft at 12:45AM Jul 02, 2020Observed: 0.7 ft at 1:00AM Jul 02, 2020Observed: 0.7 ft at 1:15AM Jul 02, 2020Observed: 0.7 ft at 1:30AM Jul 02, 2020Observed: 0.7 ft at 1:45AM Jul 02, 2020Observed: 0.7 ft at 2:00AM Jul 02, 2020Observed: 0.7 ft at 2:15AM Jul 02, 2020Observed: 0.7 ft at 2:30AM Jul 02, 2020Observed: 0.7 ft at 2:45AM Jul 02, 2020Observed: 0.69 ft at 3:00AM Jul 02, 2020Observed: 0.69 ft at 3:15AM Jul 02, 2020Observed: 0.69 ft at 3:30AM Jul 02, 2020Observed: 0.69 ft at 3:45AM Jul 02, 2020Observed: 0.69 ft at 4:00AM Jul 02, 2020Observed: 0.69 ft at 4:15AM Jul 02, 2020Observed: 0.69 ft at 4:30AM Jul 02, 2020Observed: 0.69 ft at 4:45AM Jul 02, 2020Observed: 0.69 ft at 5:00AM Jul 02, 2020Observed: 0.69 ft at 5:15AM Jul 02, 2020Observed: 0.69 ft at 5:30AM Jul 02, 2020Observed: 0.69 ft at 5:45AM Jul 02, 2020Observed: 0.69 ft at 6:00AM Jul 02, 2020Observed: 0.69 ft at 6:15AM Jul 02, 2020Observed: 0.69 ft at 6:30AM Jul 02, 2020Observed: 0.69 ft at 6:45AM Jul 02, 2020Observed: 0.69 ft at 7:00AM Jul 02, 2020Observed: 0.69 ft at 7:15AM Jul 02, 2020Observed: 0.69 ft at 7:30AM Jul 02, 2020Observed: 0.68 ft at 7:45AM Jul 02, 2020Observed: 0.68 ft at 8:00AM Jul 02, 2020Observed: 0.69 ft at 8:15AM Jul 02, 2020Observed: 0.68 ft at 8:30AM Jul 02, 2020Observed: 0.68 ft at 8:45AM Jul 02, 2020Observed: 0.68 ft at 9:00AM Jul 02, 2020Observed: 0.68 ft at 9:15AM Jul 02, 2020Observed: 0.68 ft at 9:30AM Jul 02, 2020Observed: 0.68 ft at 9:45AM Jul 02, 2020Observed: 0.68 ft at 9:46AM Jul 02, 2020Observed: 0.68 ft at 10:00AM Jul 02, 2020Observed: 0.68 ft at 10:15AM Jul 02, 2020Observed: 0.68 ft at 10:30AM Jul 02, 2020Observed: 0.68 ft at 10:45AM Jul 02, 2020Observed: 0.67 ft at 11:00AM Jul 02, 2020Observed: 0.67 ft at 11:15AM Jul 02, 2020Observed: 0.67 ft at 11:30AM Jul 02, 2020Observed: 0.67 ft at 11:45AM Jul 02, 2020Observed: 0.67 ft at 12:00PM Jul 02, 2020Observed: 0.67 ft at 12:15PM Jul 02, 2020Observed: 0.67 ft at 12:30PM Jul 02, 2020Observed: 0.67 ft at 12:45PM Jul 02, 2020Observed: 0.67 ft at 1:00PM Jul 02, 2020Observed: 0.67 ft at 1:15PM Jul 02, 2020Observed: 0.67 ft at 1:30PM Jul 02, 2020Observed: 0.67 ft at 1:45PM Jul 02, 2020Observed: 0.67 ft at 2:00PM Jul 02, 2020Observed: 0.66 ft at 2:15PM Jul 02, 2020Observed: 0.66 ft at 2:30PM Jul 02, 2020Observed: 0.66 ft at 2:45PM Jul 02, 2020Observed: 0.66 ft at 3:00PM Jul 02, 2020Observed: 0.66 ft at 3:15PM Jul 02, 2020Observed: 0.66 ft at 3:30PM Jul 02, 2020Observed: 0.66 ft at 3:45PM Jul 02, 2020Observed: 0.66 ft at 4:00PM Jul 02, 2020Observed: 0.66 ft at 4:15PM Jul 02, 2020Observed: 0.66 ft at 4:30PM Jul 02, 2020Observed: 0.65 ft at 4:45PM Jul 02, 2020Observed: 0.65 ft at 5:00PM Jul 02, 2020Observed: 0.65 ft at 5:15PM Jul 02, 2020Observed: 0.65 ft at 5:30PM Jul 02, 2020Observed: 0.65 ft at 5:45PM Jul 02, 2020Observed: 0.65 ft at 6:00PM Jul 02, 2020Observed: 0.65 ft at 6:15PM Jul 02, 2020Observed: 0.65 ft at 6:30PM Jul 02, 2020Observed: 0.65 ft at 6:45PM Jul 02, 2020Observed: 0.65 ft at 7:00PM Jul 02, 2020Observed: 0.65 ft at 7:15PM Jul 02, 2020Observed: 0.64 ft at 7:30PM Jul 02, 2020Observed: 0.64 ft at 7:45PM Jul 02, 2020Observed: 0.64 ft at 7:46PM Jul 02, 2020Observed: 0.64 ft at 8:00PM Jul 02, 2020Observed: 0.64 ft at 8:15PM Jul 02, 2020Observed: 0.64 ft at 8:30PM Jul 02, 2020Observed: 0.64 ft at 8:45PM Jul 02, 2020Observed: 0.64 ft at 9:00PM Jul 02, 2020Observed: 0.64 ft at 9:15PM Jul 02, 2020Observed: 0.64 ft at 9:30PM Jul 02, 2020Observed: 0.64 ft at 9:45PM Jul 02, 2020Observed: 0.63 ft at 10:00PM Jul 02, 2020Observed: 0.63 ft at 10:15PM Jul 02, 2020Observed: 0.63 ft at 10:30PM Jul 02, 2020Observed: 0.63 ft at 10:45PM Jul 02, 2020Observed: 0.63 ft at 11:00PM Jul 02, 2020Observed: 0.63 ft at 11:15PM Jul 02, 2020Observed: 0.63 ft at 11:30PM Jul 02, 2020Observed: 0.63 ft at 11:45PM Jul 02, 2020Observed: 0.63 ft at 12:00AM Jul 03, 2020Observed: 0.62 ft at 12:15AM Jul 03, 2020Observed: 0.62 ft at 12:30AM Jul 03, 2020Observed: 0.62 ft at 12:45AM Jul 03, 2020Observed: 0.62 ft at 1:00AM Jul 03, 2020Observed: 0.62 ft at 1:15AM Jul 03, 2020Observed: 0.62 ft at 1:30AM Jul 03, 2020Observed: 0.62 ft at 1:45AM Jul 03, 2020Observed: 0.62 ft at 2:00AM Jul 03, 2020Observed: 0.62 ft at 2:15AM Jul 03, 2020Observed: 0.62 ft at 2:30AM Jul 03, 2020Observed: 0.62 ft at 2:45AM Jul 03, 2020Observed: 0.61 ft at 3:00AM Jul 03, 2020Observed: 0.61 ft at 3:15AM Jul 03, 2020Observed: 0.61 ft at 3:30AM Jul 03, 2020Observed: 0.61 ft at 3:45AM Jul 03, 2020Observed: 0.61 ft at 4:00AM Jul 03, 2020Observed: 0.61 ft at 4:15AM Jul 03, 2020Highest Forecast: 0.6 ft 8:00AM Jul 03, 2020Highest Forecast: 0.6 ft 2:00PM Jul 03, 2020Highest Forecast: 0.6 ft 8:00PM Jul 03, 2020Highest Forecast: 0.6 ft 2:00AM Jul 04, 2020Highest Forecast: 0.6 ft 8:00AM Jul 04, 2020Highest Forecast: 0.6 ft 2:00PM Jul 04, 2020Forecast: 0.5 ft 8:00PM Jul 04, 2020Forecast: 0.5 ft 2:00AM Jul 05, 2020Forecast: 0.5 ft 8:00AM Jul 05, 2020USGS--Water Resources of the United StatesHTVP1(plotting HGIRG) Graph Created (5:32AM Jul 3, 2020)ObservedForecast (issued 10:15AM Jul 2)Latest observed value: 0.61 ft at 4:15 AM EDT 3-Jul-2020. Flood Stage is 9 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Swatara Creek at Harper Tavern are issued routinely year-round.
Return to Area Map
Upstream Gauge - near Inwood Upstream Gauge Downstream Gauge Downstream Gauge - near Hershey
Flood Categories (in feet)
Major Flood Stage: 15
Moderate Flood Stage: 12
Flood Stage: 9
Action Stage: 7
Low Stage (in feet): 0

Historic Crests
(1) 25.60 ft on 06/01/1889
(2) 24.60 ft on 09/08/2011
(3) 23.72 ft on 06/23/1972
(4) 18.28 ft on 06/29/2006
(5) 17.53 ft on 08/24/1933
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 10.15 ft on 05/01/2020 (P)
(2) 12.26 ft on 11/01/2019 (P)
(3) 9.14 ft on 07/08/2019
(4) 10.05 ft on 06/20/2019
(5) 10.81 ft on 04/15/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -0.32 ft on 09/24/1980
(2) -0.30 ft on 09/04/1966
(3) -0.28 ft on 09/27/1964
(4) -0.25 ft on 10/01/1981
(5) -0.17 ft on 07/12/1975
Show More Low Water Records

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
18 Widespread flooding occurs with many roads, homes and businesses affected.
16 Most homes adjacent to the creek are affected to some degree. Numerous evacuations are necessary.
14 A number of homes along the creek are affected. Some evacuations are necessary.
12 A number of secondary roads are closed, resulting in some evacuations. A few homes are flooded.
10 High water isolates several houses.
9 Several driveways and other minor roadways are affected. Water begins to enter some basements.
Photos
(1) looking upstream
(2) view of the gagehouse
(3) looking downstream
About This Location Collapse

Latitude: 40.402500° N, Longitude: 76.577500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 9 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 29 356.68 365.68 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) 231-2408
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