River gauges›New Jersey
RIVER GAUGE · DELAWARE RIVER

Delaware River at Riegelsville

Hunterdon County, New Jersey

Water level3.81 ft
Flow5,360 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action15 ft81,000 cfs
Minor flood22 ft
Moderate flood26 ft
Major flood30 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Aug 19, 195538.85 ft340,000 cfs
Oct 9, 190335.9 ft291,500 cfs
Apr 3, 200534.07 ft262,000 cfs

Flood map

See which streets and areas flood at each water level here. Open the flood map ↗

More on Delaware River

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