About this river
Republican River is a 9.9 mile river near Fishing Milford Lake in Kansas. Streamflow is measured at the USGS gauge Republican R at Junction City, KS (site 06857100). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1968 to 2026
Republican River typically runs highest in July, at a median 576 cfs, and lowest in October, at 167 cfs. The highest flow on record for any single day is 33,300 cfs, in 1993.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 239 | 111 to 553 | |
| February | 289 | 109 to 630 | |
| March | 192 | 66 to 671 | |
| April | 177 | 55 to 884 | |
| May | 371 | 55 to 1,150 | |
| June | 485 | 71 to 1,480 | |
| July | 576 | 99 to 1,430 | |
| August | 405 | 136 to 924 | |
| September | 200 | 56 to 523 | |
| October | 167 | 58 to 531 | |
| November | 188 | 63 to 483 | |
| December | 319 | 96 to 1,210 |
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 59 years of record. Statistics published by the US Geological Survey for Republican R at Junction City, KS (site 06857100). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
6 mapped launches sit in the mapped area of Republican River. Ramp data comes from the USGS national boat-ramp inventory.
- Thunderbird Marina and RV ResortRepublican River - Milford LakeRestricted
- Rolling HIlls Public Use Area - EastRepublican River - Milford LakePublic
- Rolling HIlls Public Use Area - WestRepublican River - Milford LakePublic
- Dam Site SouthRepublican River - Milford LakePublic
- Milford State ParkRepublican River - Milford LakePublic
- Milford Lake State Park MarinaRepublican River - Milford LakePublic
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Republican 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.


