Vermillion River in South Dakota
Around here
Around Vermillion River
Public land: USGS PAD-US
About this river
Vermillion River is a 62.1 mile river. Streamflow is measured at the USGS gauge Vermillion River near Vermillion,sd (site 06479010). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1984 to 2026
Vermillion River typically runs highest in May, at a median 368 cfs, and lowest in February, at 45 cfs. The highest flow on record for any single day is 30,500 cfs, in 2024.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 50 | 26 to 89 |
| February | 45 | 24 to 95 |
| March | 230 | 98 to 958 |
| April | 348 | 95 to 1,310 |
| May | 368 | 112 to 998 |
| June | 336 | 104 to 875 |
| July | 181 | 56 to 482 |
| August | 92 | 40 to 195 |
| September | 80 | 33 to 150 |
| October | 73 | 39 to 178 |
| November | 79 | 38 to 180 |
| December | 58 | 30 to 150 |
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 43 years of record. Statistics published by the US Geological Survey for Vermillion River near Vermillion,sd (site 06479010). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
One mapped launch sits in the mapped area of Vermillion River. Ramp data comes from the USGS national boat-ramp inventory.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Vermillion River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
