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SwedenAssunpink Creek below STP near Mercerville NJ water level
River gauge, Assunpink Creek, New Jersey, United States
Right now
Below flood stage
Water level
History
What this means
The gauge at Assunpink Creek below STP near Mercerville NJ reads 2.60 ft, a normal level.
It is 6.90 ft below the flood stage of 9.50 ft.
The level is falling, down 0.04 ft over the past 24 hours. Over the past 30 days it has moved between 2.55 ft and 2.95 ft.
Fall is often low-water season on rivers, until steadier rain returns.
Judged against the official flood stage for this gauge. How to read levels
Key numbers
- Highest on record
- 15.82 ftSeptember 2, 2021
What the stage means on the water
A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.
The National Weather Service puts flood stage for this gauge at 9.50 ft, still 6.90 ft away.
What happens at each level
- 14.00 ft
- Flooding expands across the above mentioned areas. Roads are barricaded and closed.
- 13.00 ft
- Sweetbriar Avenue from Whitehead Road to Trinity Avenue is flooded and is subject to closures. Residential basements are flooded on Sweetbriar Avenue. The Whitehead Bridge connecting Hamilton and Lawrence is closed.
- 12.00 ft
- Assunpink Boulevard from 1st to 5th Avenue is flooded and is subject to closures. Rutgers Avenue from Sweetbriar Avenue to Trinity Avenue is flooded and is subject to closures.
- 11.00 ft
- Brown Avenue from Rutgers Avenue to Vetterlein Avenue is flooded and is subject to closures. Whitehead Road from 7th Avenue to Township Line is flooded and is subject to closures.
- 10.00 ft
- Assunpink Boulevard floods. Carnegie Road floods. Rutgers Avenue from Amhurst Avenue to the dead end floods and is subject to closures.
- 8.50 ft
- The Delaware and Raritan Canal State Park trail floods.
- 2.60 ft
- Right now
Impact statements from the U.S. National Weather Service.
Highest crests on record
| Rank | Level | Date |
|---|---|---|
| 1 | 15.82 ft | September 2, 2021 |
| 2 | 14.29 ft | May 1, 2014 |
| 3 | 12.86 ft | May 27, 2018 |
| 4 | 12.31 ft | November 25, 2018 |
| 5 | 11.72 ft | December 18, 2023 |
| 6 | 11.04 ft | January 10, 2024 |
| 7 | 9.68 ft | July 18, 2021 |
Weather at the gauge
No rain in the last 3 days.
Forecast: Open-Meteo
Map
Other gauges on Assunpink Creek
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Assunpink Creek near Clarksville NJRiver gauge, Assunpink Creek | 4.03 ft | Below flood stage | −0.04 ft | 3.3 mi |
| Assunpink Creek at Trenton NJRiver gauge, Assunpink Creek | 3.03 ft | Below flood stage | −0.02 ft | 2.0 mi |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Shabakunk C at Sylva Lake Dam at Ewingville NJRiver gauge, Shabakunk C | 1.4 cfs | Low | ±0 | 2.9 mi |
| Delaware River at Trenton NJRiver gauge, Delaware River | 8.97 ft | Below flood stage | −0.12 ft | 3.2 mi |
| Delaware and Raritan Canal at Port Mercer NJCanal gauge, Delaware and Raritan Canal | 127 cfs | Normal | −5.0 cfs | 4.5 mi |
| Stony Brook at Princeton NJRiver gauge, Stony Brook | 1.73 ft | Below flood stage | −0.02 ft | 6 mi |
| D&R Ca feeder US of gate at Washington Crossing NJRiver gauge, D&R Ca feeder US of gate | 140 cfs | Low | −8.0 cfs | 8 mi |
| Delaware River at Washington Crossing NJRiver gauge, Delaware River | −0.90 ft | Below flood stage | −0.21 ft | 8 mi |
| Crosswicks Creek at Extonville NJRiver gauge, Crosswicks Creek | 2.94 ft | Below flood stage | −0.13 ft | 10 mi |
| Neshaminy Creek near LanghorneRiver gauge, Neshaminy Creek | 1.22 ft | Below flood stage | −0.01 ft | 13 mi |
Questions and answers
What is flood stage for Assunpink Creek below STP near Mercerville NJ?
The official flood stage is 9.50 ft. The level is currently 6.90 ft below it.
Is gage height the same as water depth?
No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.
What is the water level of Assunpink Creek below STP near Mercerville NJ today?
On Oct 20, 2026, 09:30 PM EDT, the water level was 2.60 ft. Down 0.04 ft over the last 24 hours.
Is Assunpink Creek below STP near Mercerville NJ rising or falling?
Down 0.04 ft over the last 24 hours. Down 0.28 ft over the last 7 days.
Is the level of Assunpink Creek below STP near Mercerville NJ normal?
Below flood stage. Judged against the official flood stage for this gauge.
What is the highest water level ever recorded at Assunpink Creek below STP near Mercerville NJ?
The highest level on record is 15.82 ft on September 2, 2021.
How often is this data updated?
The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:01463882(Agency page)- Coordinates
40.24750, -74.72778(WGS84)- Vertical datum
- NAVD88
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 2.60 ft | 2026-10-21 01:30 | Provisional |
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How to cite
U.S. Geological Survey: Assunpink Creek below STP near Mercerville NJ (usgs:01463882). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-jersey/assunpink-creek-below-stp-near-mercerville-nj
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer