East Fork Vermillion River in South Dakota
Around here
Around East Fork Vermillion River
Data Source: Recreation.gov · Public land: USGS PAD-US
About this river
East Fork Vermillion River is a 62.1 mile river. Streamflow is measured at the USGS gauge East Fork Vermillion River near Parker, SD (site 06478600). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1996 to 2026
East Fork Vermillion River typically runs highest in April, at a median 89 cfs, and lowest in January, at 14 cfs. The highest flow on record for any single day is 5,980 cfs, in 2024.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 14 | 6.9 to 28 |
| February | 14 | 7.4 to 44 |
| March | 65 | 21 to 184 |
| April | 89 | 35 to 344 |
| May | 82 | 41 to 216 |
| June | 63 | 25 to 242 |
| July | 30 | 14 to 132 |
| August | 20 | 11 to 75 |
| September | 14 | 7.7 to 69 |
| October | 16 | 7.3 to 78 |
| November | 16 | 9.0 to 58 |
| December | 17 | 7.4 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 30 years of record. Statistics published by the US Geological Survey for East Fork Vermillion River near Parker, SD (site 06478600). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
8 mapped launches sit in the mapped area of East Fork Vermillion River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Lost Public Water AccessPublic
- Lake Vermillion Land Use AreaPublic
- Lake Vermillion Recreation AreaPublic
- Twin Lake-MinnehahaPublic
- Island - SouthPublic
- Island LakePublic
- Diamond LakePublic
- George Public Water AccessPublic
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show East Fork 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.
