About this river
Blue River is a 7.0 mile river near Alpine Kayak School in Colorado. Streamflow is measured at the USGS gauge Blue River below Green Mountain Reservoir, CO (site 09057500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1943 to 2026
Blue River typically runs highest in July, at a median 595 cfs, and lowest in February, at 245 cfs. The highest flow on record for any single day is 4,010 cfs, in 1995.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 253 | 189 to 346 | |
| February | 245 | 176 to 349 | |
| March | 249 | 171 to 386 | |
| April | 303 | 188 to 487 | |
| May | 286 | 81 to 756 | |
| June | 583 | 87 to 1,145 | |
| July | 595 | 362 to 1,040 | |
| August | 576 | 443 to 702 | |
| September | 508 | 383 to 668 | |
| October | 386 | 294 to 555 | |
| November | 268 | 195 to 338 | |
| December | 269 | 186 to 346 |
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 83 years of record. Statistics published by the US Geological Survey for Blue River below Green Mountain Reservoir, CO (site 09057500). 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 Blue 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.
