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Grand Riverat Shadehill Reservoir, SD (Gauge SHAS2)
Observation History | Stage Impacts/Record Events
Stages:
Normal
Action
Flood
Moderate Flood
Major Flood
River Stage Data for Gauge SHAS2
Normal Stage: 2263.02 ft
(impacts and historical events)
Action Stages:
Flood
Moderate Flood
Major Flood
Gauge SHAS2 History chart | graph
Stage Date CST Stage ft
CURRENT 02/16/2012 08:15 am 2263.02
  02/16/2012 08:00 am 2263.02
  02/16/2012 07:45 am 2263.02
  02/16/2012 07:30 am 2263.02
  02/16/2012 07:15 am 2263.02
  02/16/2012 07:00 am 2263.02
  02/16/2012 06:45 am 2263.02
  02/16/2012 06:30 am 2263.02
  02/16/2012 06:15 am 2263.02
  02/16/2012 06:00 am 2263.02
  02/16/2012 05:45 am 2263.02
  02/16/2012 05:30 am 2263.02
  02/16/2012 05:15 am 2263.02
  02/16/2012 05:00 am 2263.02
  02/16/2012 04:45 am 2263.02
  02/16/2012 04:30 am 2263.02
  02/16/2012 04:15 am 2263.02
  02/16/2012 04:00 am 2263.02
  02/16/2012 03:45 am 2263.02
  02/16/2012 03:30 am 2263.02
  02/16/2012 03:15 am 2263.02
  02/16/2012 03:00 am 2263.02
  02/16/2012 02:45 am 2263.02
  02/16/2012 02:30 am 2263.02
  02/16/2012 02:15 am 2263.02
  02/16/2012 02:00 am 2263.02
  02/16/2012 01:45 am 2263.02
  02/16/2012 01:30 am 2263.02
  02/16/2012 01:15 am 2263.02
  02/16/2012 01:00 am 2263.02
  02/16/2012 12:45 am 2263.02
Flood Impacts and Historical Events
Stage Impacts
2307.6Near record flooding with similar flooding to what occurred in 1950 before the reservoir was completed.
2304.5Flooding will occur from the dam to the Missouri River.
2302.0Flooding of the grassy area near the bottom of the spillway begins and flows are diverted to the Grand River.
2300.0Lowland flooding begins.
2285.0Lowland flooding will occur 20 to 30 MILES downstream from the dam.
2274.4Bankfull stages will occur downstream.
2272.0Water begins flowing into an uncontrolled outlet and is discharged downstream.
Historical Crests Record Lows
Historical crests are unavailable. Low water records are unavailable.

Data provided by NOAA Advanced Hydrologic Prediction Service

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