About this river
Croton River is a 16.2 mile river near Reel Mayhem Outfitters in Connecticut. Streamflow is measured at the USGS gauge Croton R at New Croton Dam near Croton-on-hudson NY (site 01375000). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1933 to 2026
Croton River typically runs highest in March, at a median 612 cfs, and lowest in September, at 11 cfs. The highest flow on record for any single day is 33,000 cfs, in 1956.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 252 | 4.0 to 633 | |
| February | 360 | 19 to 698 | |
| March | 612 | 188 to 999 | |
| April | 590 | 262 to 1,035 | |
| May | 359 | 107 to 672 | |
| June | 112 | 3.0 to 295 | |
| July | 14 | 1.8 to 175 | |
| August | 12 | 1.4 to 176 | |
| September | 11 | 1.2 to 154 | |
| October | 12 | 1.3 to 203 | |
| November | 17 | 1.5 to 343 | |
| December | 150 | 2.2 to 625 |
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 93 years of record. Statistics published by the US Geological Survey for Croton R at New Croton Dam near Croton-on-hudson NY (site 01375000). 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 Croton 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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