Shiawassee River in Michigan
Around here
Around Shiawassee River
Public land: USGS PAD-US
About this river
Shiawassee River is a 26.5 mile river. Streamflow is measured at the USGS gauge Shiawassee River at Owosso, MI (site 04144500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1931 to 2026
Shiawassee River typically runs highest in March, at a median 628 cfs, and lowest in September, at 97 cfs. The highest flow on record for any single day is 5,920 cfs, in 1947.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 266 | 160 to 470 |
| February | 271 | 173 to 462 |
| March | 628 | 406 to 978 |
| April | 597 | 413 to 862 |
| May | 368 | 221 to 596 |
| June | 207 | 128 to 340 |
| July | 119 | 77 to 199 |
| August | 102 | 66 to 154 |
| September | 97 | 61 to 166 |
| October | 118 | 78 to 204 |
| November | 207 | 130 to 345 |
| December | 250 | 149 to 432 |
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 96 years of record. Statistics published by the US Geological Survey for Shiawassee River at Owosso, MI (site 04144500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
5 mapped launches sit in the mapped area of Shiawassee River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Shiawassee 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.
