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Hydrograph River at a Glance Download
Rapid Creek below Pactola Dam Stage (ft)Flow (cfs)Observed: 7.59 ft at 9:45AM Nov 29, 2020Observed: 7.59 ft at 10:00AM Nov 29, 2020Observed: 7.59 ft at 10:15AM Nov 29, 2020Highest Observation: 7.6 ft at 10:30AM Nov 29, 2020Highest Observation: 7.6 ft at 10:45AM Nov 29, 2020Observed: 7.59 ft at 11:00AM Nov 29, 2020Observed: 7.59 ft at 11:15AM Nov 29, 2020Observed: 7.59 ft at 11:30AM Nov 29, 2020Observed: 7.59 ft at 11:45AM Nov 29, 2020Observed: 7.59 ft at 12:00PM Nov 29, 2020Observed: 7.59 ft at 12:15PM Nov 29, 2020Observed: 7.59 ft at 12:30PM Nov 29, 2020Observed: 7.59 ft at 12:45PM Nov 29, 2020Observed: 7.59 ft at 1:00PM Nov 29, 2020Observed: 7.59 ft at 1:15PM Nov 29, 2020Observed: 7.59 ft at 1:30PM Nov 29, 2020Observed: 7.59 ft at 1:45PM Nov 29, 2020Highest Observation: 7.6 ft at 2:00PM Nov 29, 2020Highest Observation: 7.6 ft at 2:15PM Nov 29, 2020Highest Observation: 7.6 ft at 2:30PM Nov 29, 2020Observed: 7.59 ft at 2:45PM Nov 29, 2020Highest Observation: 7.6 ft at 3:00PM Nov 29, 2020Highest Observation: 7.6 ft at 3:15PM Nov 29, 2020Highest Observation: 7.6 ft at 3:30PM Nov 29, 2020Observed: 7.59 ft at 3:45PM Nov 29, 2020Highest Observation: 7.6 ft at 4:00PM Nov 29, 2020Observed: 7.59 ft at 4:15PM Nov 29, 2020Highest Observation: 7.6 ft at 4:30PM Nov 29, 2020Observed: 7.59 ft at 4:45PM Nov 29, 2020Highest Observation: 7.6 ft at 5:00PM Nov 29, 2020Highest Observation: 7.6 ft at 5:15PM Nov 29, 2020Observed: 7.59 ft at 5:30PM Nov 29, 2020Observed: 7.59 ft at 5:31PM Nov 29, 2020Highest Observation: 7.6 ft at 5:45PM Nov 29, 2020Observed: 7.59 ft at 6:00PM Nov 29, 2020Highest Observation: 7.6 ft at 6:15PM Nov 29, 2020Highest Observation: 7.6 ft at 6:30PM Nov 29, 2020Highest Observation: 7.6 ft at 6:45PM Nov 29, 2020Observed: 7.59 ft at 7:00PM Nov 29, 2020Observed: 7.59 ft at 7:15PM Nov 29, 2020Observed: 7.59 ft at 7:30PM Nov 29, 2020Observed: 7.59 ft at 7:45PM Nov 29, 2020Observed: 7.59 ft at 8:00PM Nov 29, 2020Observed: 7.59 ft at 8:15PM Nov 29, 2020Observed: 7.59 ft at 8:30PM Nov 29, 2020Observed: 7.59 ft at 8:45PM Nov 29, 2020Observed: 7.59 ft at 9:00PM Nov 29, 2020Observed: 7.59 ft at 9:15PM Nov 29, 2020Observed: 7.59 ft at 9:30PM Nov 29, 2020Observed: 7.59 ft at 9:45PM Nov 29, 2020Observed: 7.59 ft at 10:00PM Nov 29, 2020Observed: 7.59 ft at 10:15PM Nov 29, 2020Highest Observation: 7.6 ft at 10:30PM Nov 29, 2020Observed: 7.59 ft at 10:45PM Nov 29, 2020Observed: 7.59 ft at 11:00PM Nov 29, 2020Observed: 7.59 ft at 11:15PM Nov 29, 2020Highest Observation: 7.6 ft at 11:30PM Nov 29, 2020Observed: 7.59 ft at 11:45PM Nov 29, 2020Observed: 7.59 ft at 12:00AM Nov 30, 2020Observed: 7.59 ft at 12:15AM Nov 30, 2020Observed: 7.59 ft at 12:30AM Nov 30, 2020Observed: 7.59 ft at 12:45AM Nov 30, 2020Observed: 7.59 ft at 1:00AM Nov 30, 2020Observed: 7.59 ft at 1:15AM Nov 30, 2020Observed: 7.59 ft at 1:30AM Nov 30, 2020Observed: 7.59 ft at 1:32AM Nov 30, 2020Observed: 7.59 ft at 1:45AM Nov 30, 2020Observed: 7.59 ft at 2:00AM Nov 30, 2020Observed: 7.59 ft at 2:15AM Nov 30, 2020Observed: 7.59 ft at 2:30AM Nov 30, 2020Observed: 7.59 ft at 2:45AM Nov 30, 2020Observed: 7.59 ft at 3:00AM Nov 30, 2020Observed: 7.59 ft at 3:15AM Nov 30, 2020Observed: 7.59 ft at 3:30AM Nov 30, 2020Observed: 7.59 ft at 3:45AM Nov 30, 2020Observed: 7.59 ft at 4:00AM Nov 30, 2020Observed: 7.59 ft at 4:15AM Nov 30, 2020Observed: 7.59 ft at 4:30AM Nov 30, 2020Observed: 7.59 ft at 4:45AM Nov 30, 2020Observed: 7.59 ft at 5:00AM Nov 30, 2020Observed: 7.59 ft at 5:15AM Nov 30, 2020Observed: 7.59 ft at 5:30AM Nov 30, 2020Highest Observation: 7.6 ft at 5:45AM Nov 30, 2020Observed: 7.59 ft at 6:00AM Nov 30, 2020Highest Observation: 7.6 ft at 6:15AM Nov 30, 2020Highest Observation: 7.6 ft at 6:30AM Nov 30, 2020Highest Observation: 7.6 ft at 6:45AM Nov 30, 2020Observed: 7.59 ft at 7:00AM Nov 30, 2020Observed: 7.59 ft at 7:15AM Nov 30, 2020Observed: 7.59 ft at 7:30AM Nov 30, 2020Observed: 7.59 ft at 7:45AM Nov 30, 2020Observed: 7.59 ft at 8:00AM Nov 30, 2020Observed: 7.59 ft at 8:15AM Nov 30, 2020Observed: 7.59 ft at 8:30AM Nov 30, 2020Observed: 7.59 ft at 8:45AM Nov 30, 2020Observed: 7.59 ft at 9:00AM Nov 30, 2020Observed: 7.59 ft at 9:15AM Nov 30, 2020Observed: 7.59 ft at 9:30AM Nov 30, 2020Observed: 7.59 ft at 9:32AM Nov 30, 2020Observed: 7.59 ft at 9:45AM Nov 30, 2020Observed: 7.59 ft at 10:00AM Nov 30, 2020Observed: 7.59 ft at 10:15AM Nov 30, 2020Observed: 7.59 ft at 10:30AM Nov 30, 2020Observed: 7.59 ft at 10:45AM Nov 30, 2020Observed: 7.59 ft at 11:00AM Nov 30, 2020Observed: 7.59 ft at 11:15AM Nov 30, 2020Observed: 7.59 ft at 11:30AM Nov 30, 2020Observed: 7.59 ft at 11:45AM Nov 30, 2020Observed: 7.59 ft at 12:00PM Nov 30, 2020Observed: 7.59 ft at 12:15PM Nov 30, 2020Observed: 7.59 ft at 12:30PM Nov 30, 2020Observed: 7.59 ft at 12:45PM Nov 30, 2020Observed: 7.59 ft at 1:00PM Nov 30, 2020Observed: 7.59 ft at 1:15PM Nov 30, 2020Observed: 7.59 ft at 1:30PM Nov 30, 2020Observed: 7.59 ft at 1:45PM Nov 30, 2020Observed: 7.59 ft at 2:00PM Nov 30, 2020Observed: 7.59 ft at 2:15PM Nov 30, 2020Observed: 7.59 ft at 2:30PM Nov 30, 2020Observed: 7.59 ft at 2:45PM Nov 30, 2020Observed: 7.59 ft at 3:00PM Nov 30, 2020Observed: 7.59 ft at 3:15PM Nov 30, 2020Observed: 7.59 ft at 3:30PM Nov 30, 2020Observed: 7.59 ft at 3:45PM Nov 30, 2020Observed: 7.59 ft at 4:00PM Nov 30, 2020Observed: 7.59 ft at 4:15PM Nov 30, 2020Observed: 7.59 ft at 4:30PM Nov 30, 2020Observed: 7.59 ft at 4:45PM Nov 30, 2020Observed: 7.59 ft at 5:00PM Nov 30, 2020Observed: 7.59 ft at 5:15PM Nov 30, 2020Highest Observation: 7.6 ft at 5:30PM Nov 30, 2020Highest Observation: 7.6 ft at 5:31PM Nov 30, 2020Observed: 7.59 ft at 5:45PM Nov 30, 2020Observed: 7.59 ft at 6:00PM Nov 30, 2020Observed: 7.59 ft at 6:15PM Nov 30, 2020Observed: 7.59 ft at 6:30PM Nov 30, 2020Observed: 7.59 ft at 6:45PM Nov 30, 2020Observed: 7.59 ft at 7:00PM Nov 30, 2020Observed: 7.59 ft at 7:15PM Nov 30, 2020Observed: 7.59 ft at 7:30PM Nov 30, 2020Observed: 7.59 ft at 7:45PM Nov 30, 2020Observed: 7.59 ft at 8:00PM Nov 30, 2020Observed: 7.59 ft at 8:15PM Nov 30, 2020Observed: 7.59 ft at 8:30PM Nov 30, 2020Observed: 7.59 ft at 8:45PM Nov 30, 2020Observed: 7.59 ft at 9:00PM Nov 30, 2020Highest Observation: 7.6 ft at 9:15PM Nov 30, 2020Observed: 7.59 ft at 9:30PM Nov 30, 2020Observed: 7.59 ft at 9:45PM Nov 30, 2020Observed: 7.59 ft at 10:00PM Nov 30, 2020Observed: 7.59 ft at 10:15PM Nov 30, 2020Observed: 7.59 ft at 10:30PM Nov 30, 2020Observed: 7.59 ft at 10:45PM Nov 30, 2020Observed: 7.59 ft at 11:00PM Nov 30, 2020Observed: 7.59 ft at 11:15PM Nov 30, 2020Observed: 7.59 ft at 11:30PM Nov 30, 2020Observed: 7.59 ft at 11:45PM Nov 30, 2020Observed: 7.59 ft at 12:00AM Dec 01, 2020Highest Observation: 7.6 ft at 12:15AM Dec 01, 2020Observed: 7.59 ft at 12:30AM Dec 01, 2020Observed: 7.59 ft at 12:45AM Dec 01, 2020Observed: 7.59 ft at 1:00AM Dec 01, 2020Observed: 7.59 ft at 1:15AM Dec 01, 2020Observed: 7.59 ft at 1:30AM Dec 01, 2020Observed: 7.59 ft at 1:31AM Dec 01, 2020Observed: 7.59 ft at 1:45AM Dec 01, 2020Observed: 7.59 ft at 2:00AM Dec 01, 2020Observed: 7.59 ft at 2:15AM Dec 01, 2020Observed: 7.59 ft at 2:30AM Dec 01, 2020Observed: 7.59 ft at 2:45AM Dec 01, 2020Observed: 7.59 ft at 3:00AM Dec 01, 2020Observed: 7.59 ft at 3:15AM Dec 01, 2020Observed: 7.59 ft at 3:30AM Dec 01, 2020Observed: 7.59 ft at 3:45AM Dec 01, 2020Observed: 7.59 ft at 4:00AM Dec 01, 2020Observed: 7.59 ft at 4:15AM Dec 01, 2020Observed: 7.59 ft at 4:30AM Dec 01, 2020Observed: 7.59 ft at 4:45AM Dec 01, 2020Highest Observation: 7.6 ft at 5:00AM Dec 01, 2020Highest Observation: 7.6 ft at 5:15AM Dec 01, 2020Observed: 7.59 ft at 5:30AM Dec 01, 2020Observed: 7.59 ft at 5:45AM Dec 01, 2020Observed: 7.59 ft at 6:00AM Dec 01, 2020Observed: 7.59 ft at 6:15AM Dec 01, 2020Observed: 7.59 ft at 6:30AM Dec 01, 2020Observed: 7.59 ft at 6:45AM Dec 01, 2020Observed: 7.59 ft at 7:00AM Dec 01, 2020Observed: 7.59 ft at 7:15AM Dec 01, 2020Observed: 7.59 ft at 7:30AM Dec 01, 2020Observed: 7.59 ft at 7:45AM Dec 01, 2020Observed: 7.59 ft at 8:00AM Dec 01, 2020Observed: 7.59 ft at 8:15AM Dec 01, 2020Observed: 7.59 ft at 8:30AM Dec 01, 2020Observed: 7.59 ft at 8:45AM Dec 01, 2020Observed: 7.59 ft at 9:00AM Dec 01, 2020Observed: 7.59 ft at 9:15AM Dec 01, 2020Observed: 7.59 ft at 9:30AM Dec 01, 2020Observed: 7.59 ft at 9:31AM Dec 01, 2020Observed: 7.59 ft at 9:45AM Dec 01, 2020Observed: 7.59 ft at 10:00AM Dec 01, 2020Observed: 7.59 ft at 10:15AM Dec 01, 2020Observed: 7.59 ft at 10:30AM Dec 01, 2020Observed: 7.59 ft at 10:45AM Dec 01, 2020Observed: 7.59 ft at 11:00AM Dec 01, 2020Observed: 7.59 ft at 11:15AM Dec 01, 2020Observed: 7.59 ft at 1:30PM Dec 01, 2020Observed: 7.59 ft at 1:45PM Dec 01, 2020Observed: 7.59 ft at 2:00PM Dec 01, 2020Observed: 7.59 ft at 2:15PM Dec 01, 2020Observed: 7.59 ft at 2:30PM Dec 01, 2020Observed: 7.59 ft at 2:45PM Dec 01, 2020Observed: 7.59 ft at 3:00PM Dec 01, 2020Observed: 7.59 ft at 3:15PM Dec 01, 2020Observed: 7.59 ft at 3:30PM Dec 01, 2020Observed: 7.59 ft at 3:45PM Dec 01, 2020Observed: 7.59 ft at 4:00PM Dec 01, 2020Observed: 7.59 ft at 4:15PM Dec 01, 2020Observed: 7.59 ft at 4:30PM Dec 01, 2020Observed: 7.59 ft at 4:45PM Dec 01, 2020Observed: 7.59 ft at 5:00PM Dec 01, 2020Observed: 7.59 ft at 5:15PM Dec 01, 2020Observed: 7.59 ft at 5:30PM Dec 01, 2020Observed: 7.59 ft at 5:31PM Dec 01, 2020Observed: 7.59 ft at 5:45PM Dec 01, 2020Observed: 7.59 ft at 6:00PM Dec 01, 2020Observed: 7.59 ft at 6:15PM Dec 01, 2020Observed: 7.59 ft at 6:30PM Dec 01, 2020Observed: 7.59 ft at 6:45PM Dec 01, 2020Observed: 7.59 ft at 7:00PM Dec 01, 2020Observed: 7.59 ft at 7:15PM Dec 01, 2020Observed: 7.59 ft at 7:30PM Dec 01, 2020Observed: 7.59 ft at 7:45PM Dec 01, 2020Observed: 7.59 ft at 8:00PM Dec 01, 2020Observed: 7.59 ft at 8:15PM Dec 01, 2020Observed: 7.59 ft at 8:30PM Dec 01, 2020Observed: 7.59 ft at 8:45PM Dec 01, 2020Observed: 7.59 ft at 9:00PM Dec 01, 2020Observed: 7.59 ft at 9:15PM Dec 01, 2020Observed: 7.59 ft at 9:30PM Dec 01, 2020Observed: 7.59 ft at 9:45PM Dec 01, 2020Observed: 7.59 ft at 10:00PM Dec 01, 2020Observed: 7.59 ft at 10:15PM Dec 01, 2020Observed: 7.59 ft at 10:30PM Dec 01, 2020Observed: 7.59 ft at 10:45PM Dec 01, 2020Observed: 7.59 ft at 11:00PM Dec 01, 2020Observed: 7.59 ft at 11:15PM Dec 01, 2020Observed: 7.59 ft at 11:30PM Dec 01, 2020Observed: 7.59 ft at 11:45PM Dec 01, 2020Observed: 7.59 ft at 12:00AM Dec 02, 2020Observed: 7.59 ft at 12:15AM Dec 02, 2020Observed: 7.59 ft at 12:30AM Dec 02, 2020Observed: 7.59 ft at 12:45AM Dec 02, 2020Observed: 7.59 ft at 1:00AM Dec 02, 2020Observed: 7.59 ft at 1:15AM Dec 02, 2020Observed: 7.59 ft at 1:30AM Dec 02, 2020Observed: 7.59 ft at 1:32AM Dec 02, 2020Observed: 7.59 ft at 1:45AM Dec 02, 2020Observed: 7.59 ft at 2:00AM Dec 02, 2020Observed: 7.59 ft at 2:15AM Dec 02, 2020Observed: 7.59 ft at 2:30AM Dec 02, 2020Observed: 7.59 ft at 2:45AM Dec 02, 2020Observed: 7.59 ft at 3:00AM Dec 02, 2020Observed: 7.59 ft at 3:15AM Dec 02, 2020Observed: 7.59 ft at 3:30AM Dec 02, 2020Observed: 7.59 ft at 3:45AM Dec 02, 2020Observed: 7.59 ft at 4:00AM Dec 02, 2020Observed: 7.59 ft at 4:15AM Dec 02, 2020Observed: 7.59 ft at 4:30AM Dec 02, 2020Observed: 7.59 ft at 4:45AM Dec 02, 2020Observed: 7.59 ft at 5:00AM Dec 02, 2020Observed: 7.59 ft at 5:15AM Dec 02, 2020Observed: 7.59 ft at 5:30AM Dec 02, 2020Observed: 7.59 ft at 5:45AM Dec 02, 2020Observed: 7.59 ft at 6:00AM Dec 02, 2020Observed: 7.59 ft at 6:15AM Dec 02, 2020Observed: 7.59 ft at 6:30AM Dec 02, 2020Observed: 7.59 ft at 6:45AM Dec 02, 2020Observed: 7.59 ft at 7:00AM Dec 02, 2020Observed: 7.59 ft at 7:15AM Dec 02, 2020Observed: 7.59 ft at 7:30AM Dec 02, 2020Observed: 7.59 ft at 7:45AM Dec 02, 2020Observed: 7.59 ft at 8:00AM Dec 02, 2020Observed: 7.59 ft at 8:15AM Dec 02, 2020USGS--Water Resources of the United StatesRCBS2(plotting HGIRG) Graph Created (9:38AM Dec 2, 2020)ObservedLatest observed value: 7.59 ft at 8:15 AM MST 2-Dec-2020. Flood Stage is 14 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts are not available for the Rapid Creek below Pactola Dam. Only observed stages are available for this point.

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Upstream Gauge - at Pactola Reservoir Upstream Gauge Downstream Gauge Downstream Gauge - above Johnson Siding
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 15
Flood Stage: 14
Action Stage: 11.5
Low Stage (in feet): -9999

Historic Crests
(1) 9.00 ft on 05/19/1965
(2) 8.98 ft on 05/29/2015
(3) 8.93 ft on 07/18/2019
(4) 8.86 ft on 06/07/1996
(5) 8.85 ft on 07/02/1998
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.93 ft on 07/18/2019
(2) 8.38 ft on 06/28/2018
(3) 7.86 ft on 07/26/2017
(4) 8.06 ft on 10/12/2015
(5) 8.98 ft on 05/29/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 3.75 ft on 02/12/1961
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
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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
16 Major Flood Stage. Extensive flooding along Rapid Creek with extensive inundation of structures and roads.
15 Moderate Flood Stage. Parking lot below the dam becomes flooded. Some inundation of structures and roads along Rapid Creek are possible.
14 Minor Flood Stage. Minor flooding along the river.
12 Water touches the bottom of the bridge downstream from Pactola Dam.
11.5 Rapid Creek begins to overflow the lower banks near the creek.
Photos
(1) Looking at Pactola Dam
(2) Pactola Emergency Spillway
(3) Gage
(4) Control Downstream From Gage
(5) Looking Upstream
(6) Another View Looking Upstream
(7) Looking Downstream
(8) Another View Looking Downstream
About This Location Collapse

Latitude: 44.076667° N, Longitude: 103.481667° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 14 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 4407.82 4421.82 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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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
Rapid City Weather Forecast Office
300 East Signal Drive
Rapid City, SD 57701-3800
(605) 341-7531
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Page last modified: 2-Nov-2020 7:28 PM
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