Is the South Branch Raritan River flooding?
The South Branch Raritan River is tracked by 4 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 South Branch Raritan River is running normal, rising toward flood stage, or already flooding. 2 of 4 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 South Branch Raritan River near High Bridge NJ. The highest level ever recorded there was 14.26 ft on 28 January 1994, carrying 2,000 cfs. Peak records there go back to 1896 (108 annual peaks). It is currently at 5.96 ft, 8.3 ft below that record.
| Gauge | Status | Stage | Flood stage | Updated |
|---|---|---|---|---|
| South Branch Raritan River near High Bridge NJ | No flooding | 5.96 ft | 10 ft | |
| South Branch Raritan River at Stanton NJ | No flooding | 2.65 ft | 8 ft | |
| South Branch Raritan River at Four Bridges NJ | No current data | — | — | — |
| South Branch Raritan River at South Branch NJ | No flood stage defined | 2.64 ft | — |