About this river
South Redwater Creek is an 8.2 mile river near Spearfish Canyon Adventures in South Dakota. Streamflow is measured at the USGS gauge Redwater Creek at Wy-sd State Line (site 06430500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1955 to 2026
South Redwater Creek typically runs highest in May, at a median 41 cfs, and lowest in August, at 23 cfs. The highest flow on record for any single day is 1,330 cfs, in 1995.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 33 | 28 to 39 | |
| February | 34 | 28 to 39 | |
| March | 34 | 29 to 41 | |
| April | 37 | 29 to 48 | |
| May | 41 | 30 to 65 | |
| June | 40 | 26 to 61 | |
| July | 24 | 13 to 35 | |
| August | 23 | 15 to 34 | |
| September | 28 | 21 to 36 | |
| October | 31 | 24 to 39 | |
| November | 35 | 28 to 41 | |
| December | 34 | 29 to 40 |
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 71 years of record. Statistics published by the US Geological Survey for Redwater Creek at Wy-sd State Line (site 06430500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show South Redwater Creek's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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