RIVER GAUGE · PECONIC RIVER
Peconic River at Riverhead (IN MLLW)
Suffolk County, New York
Water level2.91 ft
Flow—
Last readingSep 16, 2026, 4:54 PM UTC (last recorded)
Action5.2 ft
Minor flood5.7 ft
Moderate flood6.4 ft
Major flood7.2 ft
The past week
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Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Oct 28, 2012 | 10.12 ft | — |
| Aug 27, 2011 | 7.35 ft | — |
| Apr 15, 2007 | 5.67 ft | — |
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