Millstone River at Blackwells Mills NJ
Is Millstone River at Blackwells Mills NJ flooding right now?
No — Millstone River at Blackwells Mills NJ is at 2.09 ft, 6.9 ft below its 9 ft flood stage, as of 74 min ago.
Gauge height
2.09 ft
Streamflow
226 cfs
Minor flooding here begins at 9 ft, with major flooding at 15 ft. The highest crest on record was 21.24 ft on Sun, Aug 28, 2011.
Flood forecast
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 7 ft | 4.9 ft below |
| Minor flood | 9 ft | 6.9 ft below |
| Moderate flood | 10 ft | 7.9 ft below |
| Major flood | 15 ft | 12.9 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 21.24 ft | 2011-08-28 |
| 21.01 ft | 1999-09-17 |
| 20.81 ft | 2021-09-02 |
| 19.24 ft | 2007-04-16 |
| 18.68 ft | 1971-08-28 |
Last 7 days
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Millstone River at Millstone NJ | 2.0 mi | Somerset County |
| Millstone River at Griggstown NJ | 3.3 mi | Somerset County |
| Royce Brook at Hamilton Road near Manville NJ | 3.3 mi | Somerset County |
| Millstone River at Weston NJ | 3.8 mi | Somerset County |
| Pike Run at Belle Mead NJ | 3.9 mi | Somerset County |
Get a flood alert for this gauge
Free email alerts when this gauge approaches flood stage are coming soon. Leave your email and you'll be first in line.
One email when alerts launch, then only flood notifications. No spam, unsubscribe anytime.
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.