Delaware River at Trenton, NJ
USGS gauge 01463500 · drainage 6,780 sq mi · observed Oct 16, 9:15 PM EDT · 65 min old
Weather alerts Official NWS
No active National Weather Service alerts were returned for this location. This is not a statement that conditions are safe.
Source: National Weather Service alerts for the gauge location, fetched Oct 16, 10:16 PM EDT.
Last 7 days Live gauge
Source: USGS Water Data API (continuous values), observed to Oct 16, 9:15 PM EDT. Shaded band: 25th to 75th percentile of USGS daily statistics for each date; dashed: median. Flow in cfs.
Gage height and flood stages Live gauge
| Measure | Gage height | Note |
|---|---|---|
| Latest gage height | 9.09 ft | Oct 16, 9:15 PM EDT |
| Action stage | 17.0 ft | 7.9 ft above the latest gage height |
| Minor stage | 20.0 ft | 10.9 ft above the latest gage height |
| Moderate stage | 23.0 ft | 13.9 ft above the latest gage height |
| Major stage | 25.0 ft | 15.9 ft above the latest gage height |
| Forecast high | 10.3 ft | Oct 19, 8:00 AM EDT |
Source: USGS Water Data API (continuous gage height), observed to Oct 16, 9:15 PM EDT. Flood stages and the forecast (dashed curve) from National Weather Service forecast point TREN4, forecast issued Oct 16, 9:45 AM EDT. Dashed horizontal lines are drawn only where they fall inside the axis; all stages are in the table.
Gauge location Mapped layer
Source: Map services and data available from U.S. Geological Survey, National Geospatial Program (USGS Topo). Map about 10 miles across, centred on the gauge at 40.2217, -74.7781.
Radar Official NWS
Source: National Weather Service radar, station KDIX. The loop is served live by the NWS and shows its own frame times.
Weather forecast Official NWS
Source: National Weather Service point forecast, updated Oct 16, 9:02 PM EDT.
Public land at this gauge Mapped layer
| Unit | Managed by | Public access |
|---|---|---|
| Stacy Park (Filtration) | City | Open access |
| Buckingham Township Land | Unknown manager | Open access |
| Stacy Park | Unknown manager | Open access |
| Delaware and Raritan Canal State Park | Unknown manager | Open access |
| Spring Street Park | City | Open access |
| Stacy Park | City | Open access |
| Wilkinson Park | City | Open access |
| Carlos M Negron Memorial Park | City | Open access |
| Isles Unknown | Nonprofit | Open access |
| Delaware and Raritan Canal State Park | State natural resources agency | Open access |
| Williamson Park | Unknown manager | Open access |
| Gray Stones (Undeveloped) | Unknown manager | Open access |
Source: USGS Protected Areas Database (PAD-US), within about half a mile of the gauge, downloaded 2026-10-12. Mapped land is not proof of legal access.
About USGS gauge 01463500 Historical record
| Item | Value |
|---|---|
| USGS site name | Delaware River at Trenton NJ |
| Site type | Stream |
| Agency | U.S. Geological Survey |
| County and state | Mercer County, New Jersey |
| Drainage area | 6,780 sq mi |
| Altitude | -1.1 ft (NAVD88) |
| Hydrologic unit code | 020401050911 |
| Coordinates | 40.2217, -74.7781 |
| Daily mean flow record | Oct 1, 1912 to Oct 16, 2026 |
| Instantaneous flow record | Oct 1, 1981 to Oct 16, 2026 |
| Instantaneous gage height record | Oct 1, 2007 to Oct 16, 2026 |
| Annual peaks on file | 138, 1897 to 2023 |
Source: USGS Water Data API monitoring-locations and time-series-metadata, fetched Oct 16, 10:12 PM EDT.
Sources and method
- Forecasts, alerts and observations: National Weather Service. NWS material is not subject to copyright. Terms
- Data: U.S. Geological Survey. Terms
- Map services and data available from U.S. Geological Survey, National Geospatial Program. Terms
- Rain estimates and radar: NOAA and National Weather Service. Terms
- Public land: USGS Protected Areas Database of the United States. Terms
USGS daily statistics, downloaded 2026-10-12
Percentile method: trailing 24 h mean vs USGS daily percentiles for calendar date 10-16.
Percentile is estimated from USGS published daily percentiles. Readings are provisional until USGS reviews them. Not endorsed by USGS, NOAA or the National Weather Service. Not for navigation or safety-of-life decisions; the absence of an alert is not a statement that conditions are safe.