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Hydrograph River at a Glance Download
Conestoga River at Lancaster Stage (ft)Flow (kcfs)Highest Observation: 3.24 ft at 2:45AM Dec 08, 2017Highest Observation: 3.24 ft at 3:00AM Dec 08, 2017Highest Observation: 3.24 ft at 3:15AM Dec 08, 2017Observed: 3.23 ft at 3:30AM Dec 08, 2017Observed: 3.23 ft at 4:45AM Dec 08, 2017Observed: 3.23 ft at 5:00AM Dec 08, 2017Observed: 3.23 ft at 5:15AM Dec 08, 2017Observed: 3.23 ft at 5:30AM Dec 08, 2017Observed: 3.23 ft at 5:45AM Dec 08, 2017Observed: 3.23 ft at 6:00AM Dec 08, 2017Observed: 3.23 ft at 6:15AM Dec 08, 2017Observed: 3.23 ft at 6:30AM Dec 08, 2017Observed: 3.23 ft at 6:45AM Dec 08, 2017Observed: 3.23 ft at 7:00AM Dec 08, 2017Observed: 3.23 ft at 7:15AM Dec 08, 2017Observed: 3.23 ft at 7:30AM Dec 08, 2017Observed: 3.23 ft at 7:45AM Dec 08, 2017Observed: 3.23 ft at 8:00AM Dec 08, 2017Observed: 3.23 ft at 8:15AM Dec 08, 2017Observed: 3.23 ft at 8:30AM Dec 08, 2017Observed: 3.23 ft at 8:45AM Dec 08, 2017Observed: 3.23 ft at 9:00AM Dec 08, 2017Observed: 3.23 ft at 9:15AM Dec 08, 2017Observed: 3.23 ft at 9:30AM Dec 08, 2017Observed: 3.23 ft at 9:45AM Dec 08, 2017Observed: 3.23 ft at 10:00AM Dec 08, 2017Observed: 3.23 ft at 10:15AM Dec 08, 2017Observed: 3.22 ft at 10:30AM Dec 08, 2017Observed: 3.22 ft at 10:45AM Dec 08, 2017Observed: 3.22 ft at 11:00AM Dec 08, 2017Observed: 3.22 ft at 11:15AM Dec 08, 2017Observed: 3.22 ft at 11:29AM Dec 08, 2017Observed: 3.22 ft at 11:30AM Dec 08, 2017Observed: 3.22 ft at 11:45AM Dec 08, 2017Observed: 3.22 ft at 12:00PM Dec 08, 2017Observed: 3.22 ft at 12:15PM Dec 08, 2017Observed: 3.22 ft at 12:30PM Dec 08, 2017Observed: 3.22 ft at 12:45PM Dec 08, 2017Observed: 3.22 ft at 1:00PM Dec 08, 2017Observed: 3.22 ft at 1:15PM Dec 08, 2017Observed: 3.22 ft at 1:30PM Dec 08, 2017Observed: 3.22 ft at 1:45PM Dec 08, 2017Observed: 3.22 ft at 2:00PM Dec 08, 2017Observed: 3.22 ft at 2:15PM Dec 08, 2017Observed: 3.22 ft at 2:30PM Dec 08, 2017Observed: 3.22 ft at 2:45PM Dec 08, 2017Observed: 3.22 ft at 3:00PM Dec 08, 2017Observed: 3.22 ft at 3:15PM Dec 08, 2017Observed: 3.22 ft at 3:30PM Dec 08, 2017Observed: 3.22 ft at 3:45PM Dec 08, 2017Observed: 3.22 ft at 4:00PM Dec 08, 2017Observed: 3.22 ft at 4:15PM Dec 08, 2017Observed: 3.22 ft at 4:30PM Dec 08, 2017Observed: 3.22 ft at 4:45PM Dec 08, 2017Observed: 3.22 ft at 5:00PM Dec 08, 2017Observed: 3.22 ft at 5:15PM Dec 08, 2017Observed: 3.22 ft at 5:30PM Dec 08, 2017Observed: 3.22 ft at 5:45PM Dec 08, 2017Observed: 3.22 ft at 6:00PM Dec 08, 2017Observed: 3.22 ft at 6:15PM Dec 08, 2017Observed: 3.22 ft at 6:30PM Dec 08, 2017Observed: 3.22 ft at 6:45PM Dec 08, 2017Observed: 3.22 ft at 7:00PM Dec 08, 2017Observed: 3.22 ft at 7:15PM Dec 08, 2017Observed: 3.22 ft at 7:30PM Dec 08, 2017Observed: 3.22 ft at 7:45PM Dec 08, 2017Observed: 3.22 ft at 8:00PM Dec 08, 2017Observed: 3.22 ft at 8:15PM Dec 08, 2017Observed: 3.22 ft at 8:30PM Dec 08, 2017Observed: 3.22 ft at 8:45PM Dec 08, 2017Observed: 3.22 ft at 9:00PM Dec 08, 2017Observed: 3.23 ft at 9:15PM Dec 08, 2017Observed: 3.23 ft at 9:30PM Dec 08, 2017Observed: 3.23 ft at 9:45PM Dec 08, 2017Observed: 3.23 ft at 10:00PM Dec 08, 2017Observed: 3.23 ft at 10:15PM Dec 08, 2017Observed: 3.23 ft at 10:30PM Dec 08, 2017Observed: 3.23 ft at 10:45PM Dec 08, 2017Observed: 3.23 ft at 11:00PM Dec 08, 2017Observed: 3.23 ft at 11:15PM Dec 08, 2017Observed: 3.23 ft at 11:29PM Dec 08, 2017Observed: 3.23 ft at 11:30PM Dec 08, 2017Observed: 3.23 ft at 11:45PM Dec 08, 2017Observed: 3.23 ft at 12:00AM Dec 09, 2017Observed: 3.23 ft at 12:15AM Dec 09, 2017Observed: 3.23 ft at 12:30AM Dec 09, 2017Observed: 3.23 ft at 12:45AM Dec 09, 2017Observed: 3.23 ft at 1:00AM Dec 09, 2017Observed: 3.22 ft at 1:15AM Dec 09, 2017Observed: 3.22 ft at 1:30AM Dec 09, 2017Observed: 3.22 ft at 1:45AM Dec 09, 2017Observed: 3.23 ft at 2:00AM Dec 09, 2017Observed: 3.22 ft at 2:15AM Dec 09, 2017Observed: 3.23 ft at 2:30AM Dec 09, 2017Observed: 3.22 ft at 2:45AM Dec 09, 2017Observed: 3.22 ft at 3:00AM Dec 09, 2017Observed: 3.23 ft at 3:15AM Dec 09, 2017Observed: 3.22 ft at 3:30AM Dec 09, 2017Observed: 3.23 ft at 3:45AM Dec 09, 2017Observed: 3.22 ft at 4:00AM Dec 09, 2017Observed: 3.22 ft at 4:15AM Dec 09, 2017Observed: 3.22 ft at 4:30AM Dec 09, 2017Observed: 3.22 ft at 4:45AM Dec 09, 2017Observed: 3.22 ft at 5:00AM Dec 09, 2017Observed: 3.22 ft at 5:15AM Dec 09, 2017Observed: 3.22 ft at 5:30AM Dec 09, 2017Observed: 3.22 ft at 5:45AM Dec 09, 2017Observed: 3.22 ft at 6:00AM Dec 09, 2017Observed: 3.22 ft at 6:15AM Dec 09, 2017Observed: 3.22 ft at 6:30AM Dec 09, 2017Observed: 3.22 ft at 6:45AM Dec 09, 2017Observed: 3.22 ft at 7:00AM Dec 09, 2017Observed: 3.22 ft at 7:15AM Dec 09, 2017Observed: 3.22 ft at 7:30AM Dec 09, 2017Observed: 3.22 ft at 7:45AM Dec 09, 2017Observed: 3.22 ft at 8:00AM Dec 09, 2017Observed: 3.21 ft at 8:15AM Dec 09, 2017Observed: 3.21 ft at 8:30AM Dec 09, 2017Observed: 3.21 ft at 8:45AM Dec 09, 2017Observed: 3.21 ft at 9:00AM Dec 09, 2017Observed: 3.21 ft at 9:15AM Dec 09, 2017Observed: 3.21 ft at 9:30AM Dec 09, 2017Observed: 3.21 ft at 9:45AM Dec 09, 2017Observed: 3.21 ft at 10:00AM Dec 09, 2017Observed: 3.21 ft at 10:15AM Dec 09, 2017Observed: 3.21 ft at 10:30AM Dec 09, 2017Observed: 3.21 ft at 10:45AM Dec 09, 2017Observed: 3.21 ft at 11:00AM Dec 09, 2017Observed: 3.21 ft at 11:15AM Dec 09, 2017Observed: 3.21 ft at 11:29AM Dec 09, 2017Observed: 3.21 ft at 11:30AM Dec 09, 2017Observed: 3.21 ft at 11:45AM Dec 09, 2017Observed: 3.21 ft at 12:00PM Dec 09, 2017Observed: 3.21 ft at 12:15PM Dec 09, 2017Observed: 3.21 ft at 12:30PM Dec 09, 2017Observed: 3.21 ft at 12:45PM Dec 09, 2017Observed: 3.2 ft at 1:00PM Dec 09, 2017Observed: 3.2 ft at 1:15PM Dec 09, 2017Observed: 3.21 ft at 1:30PM Dec 09, 2017Observed: 3.2 ft at 1:45PM Dec 09, 2017Observed: 3.2 ft at 2:00PM Dec 09, 2017Observed: 3.21 ft at 2:15PM Dec 09, 2017Observed: 3.21 ft at 2:30PM Dec 09, 2017Observed: 3.21 ft at 2:45PM Dec 09, 2017Observed: 3.21 ft at 3:00PM Dec 09, 2017Observed: 3.21 ft at 3:15PM Dec 09, 2017Observed: 3.21 ft at 3:30PM Dec 09, 2017Observed: 3.21 ft at 3:45PM Dec 09, 2017Observed: 3.21 ft at 4:00PM Dec 09, 2017Observed: 3.21 ft at 4:15PM Dec 09, 2017Observed: 3.21 ft at 4:30PM Dec 09, 2017Observed: 3.21 ft at 4:45PM Dec 09, 2017Observed: 3.21 ft at 5:00PM Dec 09, 2017Observed: 3.21 ft at 5:15PM Dec 09, 2017Observed: 3.21 ft at 5:30PM Dec 09, 2017Observed: 3.22 ft at 5:45PM Dec 09, 2017Observed: 3.22 ft at 6:00PM Dec 09, 2017Observed: 3.22 ft at 6:15PM Dec 09, 2017Observed: 3.22 ft at 6:30PM Dec 09, 2017Observed: 3.22 ft at 6:45PM Dec 09, 2017Observed: 3.22 ft at 7:00PM Dec 09, 2017Observed: 3.23 ft at 7:15PM Dec 09, 2017Observed: 3.23 ft at 7:30PM Dec 09, 2017Observed: 3.23 ft at 7:45PM Dec 09, 2017Observed: 3.23 ft at 8:00PM Dec 09, 2017Observed: 3.23 ft at 8:15PM Dec 09, 2017Observed: 3.23 ft at 8:30PM Dec 09, 2017Observed: 3.23 ft at 8:45PM Dec 09, 2017Observed: 3.22 ft at 9:00PM Dec 09, 2017Observed: 3.23 ft at 9:15PM Dec 09, 2017Observed: 3.22 ft at 9:30PM Dec 09, 2017Observed: 3.22 ft at 10:45PM Dec 09, 2017Observed: 3.22 ft at 11:00PM Dec 09, 2017Observed: 3.22 ft at 11:15PM Dec 09, 2017Observed: 3.22 ft at 11:30PM Dec 09, 2017Observed: 3.22 ft at 11:45PM Dec 09, 2017Observed: 3.22 ft at 12:00AM Dec 10, 2017Observed: 3.22 ft at 12:15AM Dec 10, 2017Observed: 3.22 ft at 12:30AM Dec 10, 2017Observed: 3.22 ft at 12:45AM Dec 10, 2017Observed: 3.22 ft at 1:00AM Dec 10, 2017Observed: 3.22 ft at 1:15AM Dec 10, 2017Observed: 3.22 ft at 1:30AM Dec 10, 2017Observed: 3.22 ft at 1:45AM Dec 10, 2017Observed: 3.22 ft at 2:00AM Dec 10, 2017Observed: 3.22 ft at 2:15AM Dec 10, 2017Observed: 3.22 ft at 2:30AM Dec 10, 2017Observed: 3.22 ft at 2:45AM Dec 10, 2017Observed: 3.22 ft at 3:00AM Dec 10, 2017Observed: 3.22 ft at 3:15AM Dec 10, 2017Observed: 3.22 ft at 3:30AM Dec 10, 2017Observed: 3.22 ft at 3:45AM Dec 10, 2017Observed: 3.22 ft at 4:00AM Dec 10, 2017Observed: 3.22 ft at 4:15AM Dec 10, 2017Observed: 3.22 ft at 4:30AM Dec 10, 2017Observed: 3.22 ft at 4:45AM Dec 10, 2017Observed: 3.22 ft at 5:00AM Dec 10, 2017Observed: 3.22 ft at 5:15AM Dec 10, 2017Observed: 3.22 ft at 5:30AM Dec 10, 2017Observed: 3.22 ft at 5:45AM Dec 10, 2017Observed: 3.22 ft at 6:00AM Dec 10, 2017Observed: 3.22 ft at 6:15AM Dec 10, 2017Observed: 3.22 ft at 6:30AM Dec 10, 2017Observed: 3.22 ft at 6:45AM Dec 10, 2017Observed: 3.21 ft at 7:00AM Dec 10, 2017Observed: 3.21 ft at 7:15AM Dec 10, 2017Observed: 3.22 ft at 7:30AM Dec 10, 2017Observed: 3.22 ft at 7:45AM Dec 10, 2017Observed: 3.22 ft at 8:00AM Dec 10, 2017Observed: 3.22 ft at 8:15AM Dec 10, 2017Observed: 3.22 ft at 8:30AM Dec 10, 2017Observed: 3.21 ft at 8:45AM Dec 10, 2017Observed: 3.22 ft at 9:00AM Dec 10, 2017Observed: 3.22 ft at 9:15AM Dec 10, 2017Observed: 3.21 ft at 9:30AM Dec 10, 2017Observed: 3.21 ft at 9:45AM Dec 10, 2017Observed: 3.21 ft at 10:00AM Dec 10, 2017Observed: 3.21 ft at 10:15AM Dec 10, 2017Observed: 3.21 ft at 10:30AM Dec 10, 2017Observed: 3.21 ft at 10:45AM Dec 10, 2017Observed: 3.21 ft at 11:00AM Dec 10, 2017Observed: 3.21 ft at 11:15AM Dec 10, 2017Observed: 3.21 ft at 11:30AM Dec 10, 2017Observed: 3.22 ft at 5:45PM Dec 10, 2017Observed: 3.22 ft at 6:00PM Dec 10, 2017Observed: 3.22 ft at 6:15PM Dec 10, 2017Observed: 3.22 ft at 6:30PM Dec 10, 2017Observed: 3.22 ft at 6:45PM Dec 10, 2017Observed: 3.22 ft at 7:00PM Dec 10, 2017Observed: 3.22 ft at 7:15PM Dec 10, 2017Observed: 3.22 ft at 7:30PM Dec 10, 2017Observed: 3.22 ft at 7:45PM Dec 10, 2017Observed: 3.22 ft at 8:00PM Dec 10, 2017Observed: 3.22 ft at 8:15PM Dec 10, 2017Observed: 3.22 ft at 8:30PM Dec 10, 2017Observed: 3.22 ft at 8:45PM Dec 10, 2017Observed: 3.22 ft at 9:00PM Dec 10, 2017Observed: 3.22 ft at 9:15PM Dec 10, 2017Observed: 3.22 ft at 9:30PM Dec 10, 2017Observed: 3.22 ft at 9:45PM Dec 10, 2017Observed: 3.22 ft at 10:00PM Dec 10, 2017Observed: 3.22 ft at 10:15PM Dec 10, 2017Observed: 3.22 ft at 10:30PM Dec 10, 2017Observed: 3.22 ft at 10:45PM Dec 10, 2017Observed: 3.22 ft at 11:00PM Dec 10, 2017Observed: 3.22 ft at 11:15PM Dec 10, 2017Observed: 3.22 ft at 11:30PM Dec 10, 2017Observed: 3.22 ft at 11:45PM Dec 10, 2017Observed: 3.22 ft at 12:00AM Dec 11, 2017Observed: 3.22 ft at 12:15AM Dec 11, 2017Observed: 3.22 ft at 12:30AM Dec 11, 2017Observed: 3.22 ft at 12:45AM Dec 11, 2017Observed: 3.22 ft at 1:00AM Dec 11, 2017Observed: 3.22 ft at 1:15AM Dec 11, 2017Observed: 3.22 ft at 1:30AM Dec 11, 2017Forecast: 3.2 ft 7:00AM Dec 11, 2017Forecast: 3.2 ft 1:00PM Dec 11, 2017Forecast: 3.2 ft 7:00PM Dec 11, 2017Highest Forecast: 3.3 ft 1:00AM Dec 12, 2017Highest Forecast: 3.3 ft 7:00AM Dec 12, 2017Highest Forecast: 3.3 ft 1:00PM Dec 12, 2017Highest Forecast: 3.3 ft 7:00PM Dec 12, 2017Highest Forecast: 3.3 ft 1:00AM Dec 13, 2017Highest Forecast: 3.3 ft 7:00AM Dec 13, 2017USGS--Water Resources of the United StatesLNCP1(plotting HGIRG) Graph Created (2:32AM Dec 11, 2017)ObservedForecast (issued 8:25AM Dec 10)Latest observed value: 3.22 ft at 1:30 AM EST 11-Dec-2017. Flood Stage is 11 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Conestoga River at Lancaster are issued routinely year-round.
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Downstream Gauge Downstream Gauge - at Conestoga
Flood Categories (in feet)
Major Flood Stage: 15
Moderate Flood Stage: 13
Flood Stage: 11
Action Stage: 9
Low Stage (in feet): 0

Historic Crests
(1) 27.90 ft on 06/23/1972
(2) 21.30 ft on 09/08/2011
(3) 18.14 ft on 01/25/1978
(4) 17.80 ft on 10/09/2005
(5) 17.52 ft on 08/24/1933
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.63 ft on 05/01/2014
(2) 11.20 ft on 10/12/2013
(3) 14.27 ft on 10/30/2012
(4) 21.30 ft on 09/08/2011
(5) 14.70 ft on 06/28/2006
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.30 ft on 11/01/1966
(2) 2.39 ft on 09/30/1965
(3) 2.41 ft on 10/17/1985
(4) 2.42 ft on 09/06/1966
(5) 2.43 ft on 06/14/1976
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
34.6 Approximate level of the FEMA 0.2% Annual Chance Flood level (500-year flood).
27.9 Flood of record from Hurricane Agnes in 1972.
27 Flood waters begin to reach the South Duke Street Bridge.
26.1 Approximate level of the FEMA 1% Annual Chance Flood level (100-year flood).
22.6 Flood waters begin to reach the New Holland Pike Bridge, and the Eden Road Bridge. Approximate level of the FEMA 2% Annual Chance Flood level (50-year flood).
20 Flood waters begin to reach the Eash King Street Bridge, the East Strawberry Street Bridge and the bridge at teh water treatment facility.
17 Flood waters begin to reach the Hunsecker's Mill Covered Bridge.
15.6 Approximate level of the FEMA 10% Annual Chance Flood level (10-year flood).
15 Many homes near the river are affected by high water.
14 The footbridge near the confluence of Stauffer Run begins to flood.
13 Several homes are affected by high water.
11 Grofftown Road will flood.
Photos
(1) looking upstream from gage
(2) looking downstream from gage
About This Location Collapse

Latitude: 40.050000° N, Longitude: 76.277500° 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 245.6 ft 256.6 ft 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
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF Ensemble NAEFS Ensemble  GEFS Ensemble 

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics. 

Click individual graphics to enlarge.

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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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Page last modified: 21-Dec-2016 10:38 PM
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