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North Fork Grand River in South Dakota

River47.9 mi
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Around here

Around North Fork Grand River

Shadehill Reservoir8.8 mi20 mi

Data Source: Recreation.gov · Public land: USGS PAD-US

About this river

North Fork Grand River is a 47.9 mile river. Streamflow is measured at the USGS gauge North Fork Grand River near White Butte, SD (site 06355500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1967 to 2026

North Fork Grand River typically runs highest in April, at a median 34 cfs, and lowest in September, at 0.4 cfs. The highest flow on record for any single day is 10,000 cfs, in 2009.

Show the numbers
Typical flow by month at North Fork Grand River near White Butte, SD, in cfs
MonthTypical (cfs)Usual range (cfs)
January2.10.9 to 5.1
February3.71.0 to 12
March197.7 to 132
April349.6 to 113
May257.2 to 96
June174.1 to 72
July9.00.8 to 22
August1.00.0 to 8.5
September0.40.0 to 7.1
October3.00.0 to 9.3
November5.32.1 to 8.9
December3.51.6 to 7.0

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 59 years of record. Statistics published by the US Geological Survey for North Fork Grand River near White Butte, SD (site 06355500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

6 mapped launches sit in the mapped area of North Fork Grand River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

  • Shadehill Recreation Area - BeachPublic
  • Shadehill West Public Water AccessPublic
  • Shadehill Recreation Area - Ketterlings PointPublic
  • Bowman-Haley DamBowman-Haley DamPublic
  • Bowman-Haley DamBowman-Haley DamPublic
  • Mirror LakeFlat Creek - Mirror LakePublic

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