River Conditions
Illustrated map of Greenwood Lake

River stage

Singac, Passaic River

River level
4.35 ft
Status
Below flood stage
7-day change
+1.43 ft
Recent high
5.67 ft
Recent low
2.12 ft

Last reported 2026-10-13 | NWS SIGN4

30-day change
-1.32 ft
Average
3.40 ft
Readings
122
Data span
122 days
Record crest
12.44 ft

In brief

The Passaic River at Singac, NJ read 4.35 ft on Oct 13, 2026, 2.65 ft below action stage. That is 1.32 ft lower than 30 days earlier.

Source: National Weather Service gauge SIGN4

River level timeline

2.03.44.86.27.6SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13ACTION 7.00 ftHIGH 5.67LOW 2.634.38 ftLAST READING

Stage threshold profile

Action stage 7.00 ftMinor flooding 8.50 ftModerate flooding 10.00 ftMajor flooding 12.00 ft CURRENT 4.35 ft

Highest crests on record

RankCrestDate
1 12.44 ft 2023-12-20
2 11.95 ft 2024-01-12
3 11.45 ft 2021-09-03
4 9.65 ft 2014-05-03
5 9.47 ft 2023-12-30
6 9.38 ft 2018-12-23
7 9.27 ft 2022-04-10
8 9.11 ft 2018-11-28

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 8.50 ft

    Portions of the Wayne Town Center parking lot begin to flood. Hobson Avenue and Riverlawn Drive in Wayne begin to flood. Fairfield Road, Fayette Avenue, and Riversedge Road in Wayne can flood as water backs up the Pompton River. Lincoln Boulevard in Lincoln Park can also flood due to backwater up the Pompton river. The Pequannock River Park also floods.

  2. 9.00 ft

    Two Bridges Road in Fairfield is subject to closures.

  3. 9.50 ft

    Camp Lane and Marginal Road in Fairfield begins to flood.

  4. 10.00 ft

    Two Bridges Road in Fairfield begins to flood. Finns Drive, Siesta Drive, and Market street in Wayne are all susceptible to flooding. William Street, Louis Street, and Zeliff Avenue in Little Falls can begin to flood. Portions of Lincoln Park become impassable. The Meadows Golf Club in Lincoln Park floods.

  5. 11.00 ft

    Little Falls Road in Fairfield floods. Flooding increases across the Singac section of Little Falls.

  6. 12.00 ft

    Willowbrook Boulevard begins to flood. The Route 46 ramp to access the Willowbrook Mall can flood as the Naachtpunkt Brook backs up.

  7. 13.00 ft

    Flooding increases and spreads across Lincoln Park between the Meadows Golf Club and the Pompton River. Flooding spreads across Fairfield in the vicinity of Big Piece Road. Horseneck Road in Fairfield becomes impassable.

  8. 13.50 ft

    Widespread flooding occurs in the Singac section of Little falls extending from the Passaic River to Main Street. Widespread roadway and parking lot flooding occurs across the Wayne Towne Center and Willowbrook Mall. Route 46 floods and is subject to closures. Flooding extends across Fairfield.

  9. 16.50 ft

    Wayne Towne Center and Willowbrook Mall buildings are inundated.

  10. 17.50 ft

    On and off ramps to Route 80 in Wayne flood.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Passaic River flooding at Singac?

No. The Passaic River at Singac is at 4.35 ft, 2.65 ft below action stage.

What is the flood stage at Singac?

The National Weather Service sets action stage 7 ft, minor flooding 8.5 ft, moderate flooding 10 ft and major flooding 12 ft.

What is the highest the Passaic River has been at Singac?

The highest crest on record is 12.44 ft, on 2023-12-20.

Is the Passaic River high or low right now at Singac?

At 4.35 ft it is higher than 85% of readings over the last 122 days.

Stage and flood information from the NOAA National Weather Service (gauge SIGN4); daily history from the U.S. Geological Survey (site 01389010). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.