About this river
Twin Falls Main Canal is a 22.1 mile river near AWOL Adventure Sports in Idaho. Streamflow is measured at USGS gauge site 13087505. The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1993 to 2025
Twin Falls Main Canal typically runs highest in February, at a median 1,680 cfs, and lowest in May, at 428 cfs. The highest flow on record for any single day is 5,680 cfs, in 1999.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 1,530 | 446 to 4,530 | |
| February | 1,680 | 427 to 4,540 | |
| March | 996 | 417 to 4,330 | |
| April | 503 | 0.0 to 5,295 | |
| May | 428 | 0.0 to 4,710 | |
| June | 659 | 0.0 to 4,910 | |
| July | 1,290 | 291 to 1,720 | |
| December | 458 | 199 to 819 |
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 20 years of record. Statistics published by the US Geological Survey for USGS gauge 13087505 (site 13087505). 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 Twin Falls Main Canal'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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