Rivers in New Jersey

Stony Brook at Princeton

Mercer County, New JerseyNWS PCTN4USGS 01401000Mount Holly office

Below flood stage
1.76ftStage

Observed Tue, Sep 22, 4:30 PM EDT

Flood stage
9.00 ft
Record crest
16.23 ft2011

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood14.00 ft
Moderate flood11.00 ft
Minor flood9.00 ft
Action8.00 ft
  1. 16.00 ftSignificant flooding occurs along the brook. Several feet of water cover the Hun athletic fields. Route 206 is closed. Flooding along the brook can worsen if the Delaware and Raritan Canal is also running high.
  2. 13.00 ftThe Hun School athletic fields flood. Flooding along the brook can worsen if the Delaware and Raritan Canal is also running high.
  3. 11.00 ftMercer Street, between Province Line Road and the Stony Brook Bridge, is subject to closure due to flooding.
  4. 9.00 ftQuaker Road floods and it subject to closure. Mercer Street begins to flood.
  5. 8.00 ftAdjacent floodplain begins to flood including the Stony Brook walking trail.

Crest history

18 crests on NOAA’s list since 1955.

#DateStage
1August 28, 201116.23 ft
2August 28, 197114.26 ft
3September 16, 199914.02 ft
4August 22, 202112.48 ft
5January 19, 199612.27 ft
6May 1, 201412.18 ft
7August 13, 195511.90 ft
8May 27, 201811.83 ft
9January 28, 199411.48 ft
10July 7, 198411.32 ft
11December 18, 202310.70 ft
12April 16, 200710.55 ft
13November 25, 201810.36 ft
14January 10, 202410.34 ft
15October 12, 200510.32 ft
16April 2, 19988.69 ft
17April 2, 20058.46 ft
18March 22, 19998.30 ft

Most recent crests

  • January 10, 2024: 10.34 ft
  • December 18, 2023: 10.70 ft
  • August 22, 2021: 12.48 ft
  • November 25, 2018: 10.36 ft
  • May 27, 2018: 11.83 ft
  • May 1, 2014: 12.18 ft
  • August 28, 2011: 16.23 ft
  • April 16, 2007: 10.55 ft
  • October 12, 2005: 10.32 ft
  • April 2, 2005: 8.46 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Middle Atlantic River Forecast Center. Forecasts are not available. Only observed stages are available for this point.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.