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Hydrograph River at a Glance Download
Rapid Creek below Pactola Dam Stage (ft)Flow (cfs)Observed: 8.07 ft at 9:45AM May 30, 2020Observed: 8.05 ft at 10:00AM May 30, 2020Observed: 8.07 ft at 10:15AM May 30, 2020Observed: 8.06 ft at 10:30AM May 30, 2020Observed: 8.07 ft at 10:45AM May 30, 2020Observed: 8.05 ft at 11:00AM May 30, 2020Observed: 8.06 ft at 11:15AM May 30, 2020Highest Observation: 8.08 ft at 11:30AM May 30, 2020Observed: 8.07 ft at 11:45AM May 30, 2020Highest Observation: 8.08 ft at 12:00PM May 30, 2020Observed: 8.07 ft at 12:15PM May 30, 2020Observed: 8.06 ft at 12:30PM May 30, 2020Highest Observation: 8.08 ft at 12:45PM May 30, 2020Observed: 8.07 ft at 1:00PM May 30, 2020Observed: 8.06 ft at 1:15PM May 30, 2020Observed: 8.07 ft at 1:30PM May 30, 2020Observed: 8.07 ft at 1:45PM May 30, 2020Observed: 8.07 ft at 2:00PM May 30, 2020Highest Observation: 8.08 ft at 2:15PM May 30, 2020Observed: 8.07 ft at 2:30PM May 30, 2020Observed: 8.07 ft at 2:45PM May 30, 2020Observed: 8.07 ft at 3:00PM May 30, 2020Observed: 8.07 ft at 3:15PM May 30, 2020Observed: 8.06 ft at 3:30PM May 30, 2020Highest Observation: 8.08 ft at 3:45PM May 30, 2020Observed: 8.07 ft at 4:00PM May 30, 2020Observed: 8.07 ft at 4:15PM May 30, 2020Observed: 8.06 ft at 4:30PM May 30, 2020Highest Observation: 8.08 ft at 4:45PM May 30, 2020Highest Observation: 8.08 ft at 5:00PM May 30, 2020Observed: 8.07 ft at 5:15PM May 30, 2020Observed: 8.07 ft at 5:30PM May 30, 2020Highest Observation: 8.08 ft at 5:45PM May 30, 2020Highest Observation: 8.08 ft at 6:00PM May 30, 2020Observed: 8.07 ft at 6:15PM May 30, 2020Observed: 8.07 ft at 6:30PM May 30, 2020Highest Observation: 8.08 ft at 6:45PM May 30, 2020Observed: 8.06 ft at 7:00PM May 30, 2020Highest Observation: 8.08 ft at 7:15PM May 30, 2020Observed: 8.07 ft at 7:30PM May 30, 2020Observed: 8.06 ft at 7:45PM May 30, 2020Observed: 8.07 ft at 8:00PM May 30, 2020Observed: 8.06 ft at 8:15PM May 30, 2020Observed: 8.06 ft at 8:30PM May 30, 2020Observed: 8.05 ft at 8:45PM May 30, 2020Observed: 8.07 ft at 9:00PM May 30, 2020Observed: 8.07 ft at 9:15PM May 30, 2020Observed: 8.05 ft at 9:30PM May 30, 2020Observed: 8.07 ft at 9:45PM May 30, 2020Observed: 8.07 ft at 10:00PM May 30, 2020Observed: 8.06 ft at 10:15PM May 30, 2020Highest Observation: 8.08 ft at 10:30PM May 30, 2020Observed: 8.07 ft at 10:45PM May 30, 2020Observed: 8.06 ft at 11:00PM May 30, 2020Observed: 8.06 ft at 11:15PM May 30, 2020Observed: 8.06 ft at 11:30PM May 30, 2020Observed: 8.07 ft at 11:45PM May 30, 2020Observed: 8.07 ft at 12:00AM May 31, 2020Observed: 8.07 ft at 12:15AM May 31, 2020Observed: 8.07 ft at 12:30AM May 31, 2020Highest Observation: 8.08 ft at 12:45AM May 31, 2020Highest Observation: 8.08 ft at 1:00AM May 31, 2020Observed: 8.07 ft at 1:15AM May 31, 2020Observed: 8.06 ft at 1:30AM May 31, 2020Observed: 8.06 ft at 1:45AM May 31, 2020Observed: 8.06 ft at 2:00AM May 31, 2020Observed: 8.06 ft at 2:15AM May 31, 2020Observed: 8.07 ft at 2:30AM May 31, 2020Observed: 8.07 ft at 2:45AM May 31, 2020Observed: 8.07 ft at 3:00AM May 31, 2020Highest Observation: 8.08 ft at 3:15AM May 31, 2020Highest Observation: 8.08 ft at 3:30AM May 31, 2020Observed: 8.07 ft at 3:45AM May 31, 2020Observed: 8.07 ft at 4:00AM May 31, 2020Observed: 8.06 ft at 4:15AM May 31, 2020Highest Observation: 8.08 ft at 4:30AM May 31, 2020Highest Observation: 8.08 ft at 4:45AM May 31, 2020Observed: 8.05 ft at 5:00AM May 31, 2020Highest Observation: 8.08 ft at 5:15AM May 31, 2020Observed: 8.06 ft at 5:30AM May 31, 2020Observed: 8.07 ft at 5:45AM May 31, 2020Highest Observation: 8.08 ft at 6:00AM May 31, 2020Observed: 8.07 ft at 6:15AM May 31, 2020Observed: 8.07 ft at 6:30AM May 31, 2020Highest Observation: 8.08 ft at 6:45AM May 31, 2020Observed: 8.06 ft at 7:00AM May 31, 2020Highest Observation: 8.08 ft at 7:15AM May 31, 2020Highest Observation: 8.08 ft at 7:30AM May 31, 2020Observed: 8.06 ft at 7:45AM May 31, 2020Observed: 8.07 ft at 8:00AM May 31, 2020Highest Observation: 8.08 ft at 8:15AM May 31, 2020Observed: 8.05 ft at 8:30AM May 31, 2020Observed: 8.07 ft at 8:45AM May 31, 2020Observed: 8.06 ft at 9:00AM May 31, 2020Observed: 8.07 ft at 9:15AM May 31, 2020Highest Observation: 8.08 ft at 9:30AM May 31, 2020Observed: 8.06 ft at 9:45AM May 31, 2020Highest Observation: 8.08 ft at 10:00AM May 31, 2020Observed: 8.07 ft at 10:15AM May 31, 2020Highest Observation: 8.08 ft at 10:30AM May 31, 2020Observed: 8.07 ft at 10:45AM May 31, 2020Observed: 8.05 ft at 11:00AM May 31, 2020Observed: 8.06 ft at 11:15AM May 31, 2020Observed: 8.05 ft at 11:30AM May 31, 2020Highest Observation: 8.08 ft at 11:45AM May 31, 2020Observed: 8.05 ft at 12:00PM May 31, 2020Observed: 8.07 ft at 12:15PM May 31, 2020Highest Observation: 8.08 ft at 12:30PM May 31, 2020Observed: 8.07 ft at 12:45PM May 31, 2020Observed: 8.06 ft at 1:00PM May 31, 2020Observed: 8.06 ft at 1:15PM May 31, 2020Observed: 8.06 ft at 1:30PM May 31, 2020Observed: 8.05 ft at 1:45PM May 31, 2020Observed: 8.06 ft at 2:00PM May 31, 2020Observed: 8.06 ft at 2:15PM May 31, 2020Observed: 8.06 ft at 2:30PM May 31, 2020Highest Observation: 8.08 ft at 2:45PM May 31, 2020Highest Observation: 8.08 ft at 3:00PM May 31, 2020Observed: 8.07 ft at 3:15PM May 31, 2020Observed: 8.06 ft at 3:30PM May 31, 2020Observed: 8.05 ft at 3:45PM May 31, 2020Observed: 8.05 ft at 4:00PM May 31, 2020Observed: 8.07 ft at 4:15PM May 31, 2020Observed: 8.06 ft at 4:30PM May 31, 2020Observed: 8.07 ft at 4:45PM May 31, 2020Observed: 8.07 ft at 5:00PM May 31, 2020Observed: 8.05 ft at 5:15PM May 31, 2020Highest Observation: 8.08 ft at 5:30PM May 31, 2020Observed: 8.05 ft at 5:45PM May 31, 2020Observed: 8.07 ft at 6:00PM May 31, 2020Observed: 8.07 ft at 6:15PM May 31, 2020Highest Observation: 8.08 ft at 6:30PM May 31, 2020Observed: 8.07 ft at 6:45PM May 31, 2020Observed: 8.07 ft at 7:00PM May 31, 2020Observed: 8.07 ft at 7:15PM May 31, 2020Observed: 8.07 ft at 7:30PM May 31, 2020Observed: 8.06 ft at 7:45PM May 31, 2020Highest Observation: 8.08 ft at 8:00PM May 31, 2020Observed: 8.07 ft at 8:15PM May 31, 2020Observed: 8.05 ft at 8:30PM May 31, 2020Observed: 8.07 ft at 8:45PM May 31, 2020Highest Observation: 8.08 ft at 9:00PM May 31, 2020Observed: 8.07 ft at 9:15PM May 31, 2020Highest Observation: 8.08 ft at 9:30PM May 31, 2020Highest Observation: 8.08 ft at 9:45PM May 31, 2020Highest Observation: 8.08 ft at 10:00PM May 31, 2020Observed: 8.07 ft at 10:15PM May 31, 2020Observed: 8.05 ft at 10:30PM May 31, 2020Observed: 8.07 ft at 10:45PM May 31, 2020Observed: 8.07 ft at 11:00PM May 31, 2020Highest Observation: 8.08 ft at 11:15PM May 31, 2020Observed: 8.07 ft at 11:30PM May 31, 2020Highest Observation: 8.08 ft at 11:45PM May 31, 2020Observed: 8.06 ft at 12:00AM Jun 01, 2020Observed: 8.07 ft at 12:15AM Jun 01, 2020Observed: 8.05 ft at 12:30AM Jun 01, 2020Observed: 8.07 ft at 12:45AM Jun 01, 2020Observed: 8.07 ft at 1:00AM Jun 01, 2020Observed: 8.06 ft at 1:15AM Jun 01, 2020Observed: 8.07 ft at 1:30AM Jun 01, 2020Highest Observation: 8.08 ft at 1:45AM Jun 01, 2020Observed: 8.07 ft at 2:00AM Jun 01, 2020Highest Observation: 8.08 ft at 2:15AM Jun 01, 2020Highest Observation: 8.08 ft at 2:30AM Jun 01, 2020Observed: 8.07 ft at 2:45AM Jun 01, 2020Highest Observation: 8.08 ft at 3:00AM Jun 01, 2020Observed: 8.06 ft at 3:15AM Jun 01, 2020Observed: 8.07 ft at 3:30AM Jun 01, 2020Observed: 8.06 ft at 3:45AM Jun 01, 2020Observed: 8.07 ft at 4:00AM Jun 01, 2020Observed: 8.07 ft at 4:15AM Jun 01, 2020Observed: 8.07 ft at 4:30AM Jun 01, 2020Observed: 8.07 ft at 4:45AM Jun 01, 2020Observed: 8.07 ft at 5:00AM Jun 01, 2020Observed: 8.06 ft at 5:15AM Jun 01, 2020Observed: 8.07 ft at 5:30AM Jun 01, 2020Highest Observation: 8.08 ft at 5:45AM Jun 01, 2020Observed: 8.06 ft at 6:00AM Jun 01, 2020Observed: 8.06 ft at 6:15AM Jun 01, 2020Observed: 8.07 ft at 6:30AM Jun 01, 2020Observed: 8.07 ft at 6:45AM Jun 01, 2020Observed: 8.07 ft at 7:00AM Jun 01, 2020Observed: 8.07 ft at 7:15AM Jun 01, 2020Highest Observation: 8.08 ft at 7:30AM Jun 01, 2020Observed: 8.07 ft at 7:45AM Jun 01, 2020Observed: 8.06 ft at 8:00AM Jun 01, 2020Highest Observation: 8.08 ft at 8:15AM Jun 01, 2020Observed: 8.06 ft at 8:30AM Jun 01, 2020Observed: 8.07 ft at 8:45AM Jun 01, 2020Highest Observation: 8.08 ft at 9:00AM Jun 01, 2020Observed: 8.07 ft at 9:15AM Jun 01, 2020Highest Observation: 8.08 ft at 9:30AM Jun 01, 2020Observed: 8.07 ft at 9:45AM Jun 01, 2020Observed: 8.05 ft at 10:00AM Jun 01, 2020Observed: 8.07 ft at 10:15AM Jun 01, 2020Observed: 8.05 ft at 10:30AM Jun 01, 2020Observed: 8.05 ft at 10:45AM Jun 01, 2020Observed: 8.05 ft at 11:00AM Jun 01, 2020Observed: 8.05 ft at 11:15AM Jun 01, 2020Observed: 8.07 ft at 11:30AM Jun 01, 2020Observed: 8.07 ft at 11:45AM Jun 01, 2020Observed: 8.06 ft at 12:00PM Jun 01, 2020Observed: 8.07 ft at 12:15PM Jun 01, 2020Observed: 8.07 ft at 12:30PM Jun 01, 2020Observed: 8.07 ft at 12:45PM Jun 01, 2020Observed: 8.05 ft at 1:00PM Jun 01, 2020Highest Observation: 8.08 ft at 1:15PM Jun 01, 2020Observed: 8.07 ft at 1:30PM Jun 01, 2020Observed: 8.07 ft at 1:45PM Jun 01, 2020Observed: 8.06 ft at 2:00PM Jun 01, 2020Observed: 8.06 ft at 2:15PM Jun 01, 2020Observed: 8.07 ft at 2:30PM Jun 01, 2020Highest Observation: 8.08 ft at 2:45PM Jun 01, 2020Observed: 8.06 ft at 3:00PM Jun 01, 2020Observed: 8.05 ft at 3:15PM Jun 01, 2020Observed: 8.05 ft at 3:30PM Jun 01, 2020Observed: 8.06 ft at 3:45PM Jun 01, 2020Observed: 8.07 ft at 4:00PM Jun 01, 2020Observed: 8.06 ft at 4:15PM Jun 01, 2020Observed: 8.07 ft at 4:30PM Jun 01, 2020Observed: 8.07 ft at 4:45PM Jun 01, 2020Observed: 8.07 ft at 5:00PM Jun 01, 2020Observed: 8.05 ft at 5:15PM Jun 01, 2020Observed: 8.05 ft at 5:30PM Jun 01, 2020Observed: 8.06 ft at 5:45PM Jun 01, 2020Observed: 8.05 ft at 6:00PM Jun 01, 2020Observed: 8.07 ft at 6:15PM Jun 01, 2020Observed: 8.07 ft at 6:30PM Jun 01, 2020Observed: 8.05 ft at 6:45PM Jun 01, 2020Observed: 8.05 ft at 7:00PM Jun 01, 2020Observed: 8.06 ft at 7:15PM Jun 01, 2020Observed: 8.04 ft at 7:30PM Jun 01, 2020Observed: 8.07 ft at 7:45PM Jun 01, 2020Observed: 8.07 ft at 8:00PM Jun 01, 2020Observed: 8.07 ft at 8:15PM Jun 01, 2020Observed: 8.07 ft at 8:30PM Jun 01, 2020Observed: 8.07 ft at 8:45PM Jun 01, 2020Observed: 8.07 ft at 9:00PM Jun 01, 2020Observed: 8.06 ft at 9:15PM Jun 01, 2020Observed: 8.05 ft at 9:30PM Jun 01, 2020Observed: 8.05 ft at 9:45PM Jun 01, 2020Observed: 8.06 ft at 10:00PM Jun 01, 2020Observed: 8.05 ft at 10:15PM Jun 01, 2020Observed: 8.07 ft at 10:30PM Jun 01, 2020Observed: 8.05 ft at 10:45PM Jun 01, 2020Observed: 8.07 ft at 11:00PM Jun 01, 2020Observed: 8.05 ft at 11:15PM Jun 01, 2020Observed: 8.06 ft at 11:30PM Jun 01, 2020Observed: 8.05 ft at 11:45PM Jun 01, 2020Highest Observation: 8.08 ft at 12:00AM Jun 02, 2020Observed: 8.06 ft at 12:15AM Jun 02, 2020Highest Observation: 8.08 ft at 12:30AM Jun 02, 2020Highest Observation: 8.08 ft at 12:45AM Jun 02, 2020Observed: 8.06 ft at 1:00AM Jun 02, 2020Observed: 8.07 ft at 1:15AM Jun 02, 2020Observed: 8.07 ft at 1:30AM Jun 02, 2020Observed: 8.07 ft at 1:45AM Jun 02, 2020Observed: 8.06 ft at 2:00AM Jun 02, 2020Observed: 8.05 ft at 2:15AM Jun 02, 2020Highest Observation: 8.08 ft at 2:30AM Jun 02, 2020Observed: 8.06 ft at 2:45AM Jun 02, 2020Observed: 8.06 ft at 3:00AM Jun 02, 2020Observed: 8.07 ft at 3:15AM Jun 02, 2020Observed: 8.05 ft at 3:30AM Jun 02, 2020Observed: 8.06 ft at 3:45AM Jun 02, 2020Highest Observation: 8.08 ft at 4:00AM Jun 02, 2020Observed: 8.07 ft at 4:15AM Jun 02, 2020Highest Observation: 8.08 ft at 4:30AM Jun 02, 2020Observed: 8.07 ft at 4:45AM Jun 02, 2020Observed: 8.06 ft at 5:00AM Jun 02, 2020Highest Observation: 8.08 ft at 5:15AM Jun 02, 2020Observed: 8.06 ft at 5:30AM Jun 02, 2020Observed: 8.07 ft at 5:45AM Jun 02, 2020Observed: 8.05 ft at 6:00AM Jun 02, 2020Observed: 8.05 ft at 6:15AM Jun 02, 2020Observed: 8.07 ft at 6:30AM Jun 02, 2020Observed: 8.07 ft at 6:45AM Jun 02, 2020Observed: 8.06 ft at 7:00AM Jun 02, 2020Observed: 8.07 ft at 7:15AM Jun 02, 2020Observed: 8.06 ft at 7:30AM Jun 02, 2020Observed: 8.06 ft at 7:45AM Jun 02, 2020Observed: 8.05 ft at 8:00AM Jun 02, 2020Observed: 8.07 ft at 8:15AM Jun 02, 2020USGS--Water Resources of the United StatesRCBS2(plotting HGIRG) Graph Created (9:38AM Jun 2, 2020)ObservedLatest observed value: 8.07 ft at 8:15 AM MDT 2-Jun-2020. Flood Stage is 14 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts are not available for the Rapid Creek below Pactola Dam. Only observed stages are available for this point.
Return to Area Map
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
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
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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