About this river
South Branch Elkhart River is a 3.9 mile river near Webster Lake Guide Service in Indiana. Streamflow is measured at the USGS gauge NB Elkhart River at Cosperville, IN (site 04100222). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1972 to 2026
South Branch Elkhart River typically runs highest in April, at a median 213 cfs, and lowest in September, at 42 cfs. The highest flow on record for any single day is 916 cfs, in 1982.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 119 | 73 to 207 | |
| February | 130 | 82 to 205 | |
| March | 203 | 147 to 312 | |
| April | 213 | 140 to 302 | |
| May | 153 | 107 to 216 | |
| June | 115 | 57 to 172 | |
| July | 67 | 44 to 119 | |
| August | 50 | 28 to 83 | |
| September | 42 | 21 to 79 | |
| October | 46 | 26 to 90 | |
| November | 68 | 43 to 134 | |
| December | 111 | 59 to 172 |
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 54 years of record. Statistics published by the US Geological Survey for NB Elkhart River at Cosperville, IN (site 04100222). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
2 mapped launches sit in the mapped area of South Branch Elkhart River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Tri-County Fish & Wildlife Area - Mallard Roost #3Elkhart RiverPublic
- Tri-County Fish & Wildlife Area - Mallard Roost #2Elkhart RiverPublic
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show South Branch Elkhart 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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