RIVER GAUGE · MILLSTONE RIVER
Millstone River at Millstone
Somerset County, New Jersey
Water level1.31 ft
Flow5 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action8 ft
Minor flood10 ft
Moderate flood11 ft
Major flood16 ft
The past week
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What floods at each level
- 11 ft
The D and R canal is flooded by the Millstone River.
- 10 ft
River Road between Yorktown and Amsterdam is subject to closure. Canal Road near Suydam Road floods.
- 8 ft
Causeways are closed to due flooding.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Sep 2, 2021 | 22.45 ft | 37,320 cfs |
| Sep 16, 1999 | 22.3 ft | -9,999 cfs |
| Aug 27, 2011 | 22.3 ft | -9,999 cfs |
More on Millstone River
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