Is the Millstone River flooding?
The Millstone River is tracked by 6 USGS streamgauges in New Jersey. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Millstone River is running normal, rising toward flood stage, or already flooding. 4 of 6 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all New Jersey river levels.
River facts
The longest-running gauge on this river is Millstone River at Blackwells Mills NJ. The highest level ever recorded there was 21.24 ft on 28 August 2011, carrying 20,700 cfs. Peak records there go back to 1921 (102 annual peaks). It is currently at 1.84 ft, 19.4 ft below that record.
| Gauge | Status | Stage | Flood stage | Updated |
|---|---|---|---|---|
| Millstone River at Griggstown NJ | No flooding | 3.38 ft | 10 ft | |
| Millstone River at Blackwells Mills NJ | No flooding | 1.84 ft | 9 ft | |
| Millstone River at Millstone NJ | No flooding | 0.86 ft | 10 ft | |
| Millstone River at Weston NJ | No flooding | 1.47 ft | 11.5 ft | |
| Millstone River at Plainsboro NJ | No current data | — | — | — |
| Millstone River at Carnegie Lake at Princeton NJ | No current data | — | — | — |