Around here
Around West Fork Vermillion River
Source: USGS GNIS · Public land: USGS PAD-US
About this river
West Fork Vermillion River is a 46.5 mile stream near Flow and Paddle in South Dakota. Streamflow is measured at the USGS gauge West Fork Vermillion River near Parker, SD (site 06478690). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1962 to 2026
West Fork Vermillion River typically runs highest in April, at a median 21 cfs, and lowest in September, at 0.6 cfs. The highest flow on record for any single day is 11,900 cfs, in 2024.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 0.6 | 0.1 to 2.7 |
| February | 0.8 | 0.1 to 4.6 |
| March | 20 | 3.8 to 90 |
| April | 21 | 4.3 to 104 |
| May | 12 | 2.4 to 60 |
| June | 13 | 1.1 to 60 |
| July | 4.2 | 0.3 to 21 |
| August | 1.1 | 0.1 to 6.3 |
| September | 0.6 | 0.1 to 2.1 |
| October | 0.7 | 0.1 to 3.8 |
| November | 0.9 | 0.2 to 4.7 |
| December | 0.7 | 0.1 to 3.3 |
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 64 years of record. Statistics published by the US Geological Survey for West Fork Vermillion River near Parker, SD (site 06478690). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
3 mapped launches sit in the mapped area of West 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
Made to print
Put West Fork Vermillion River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show West Fork Vermillion River'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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