Open Water Data

(MR1) Millstone River

Plainsboro, New Jersey, United States

Data Sources
  • Water Quality Status
    Passed tests Tue, Jul 15, 2025 at 4:28pm
  • Air Temperature
    18.2°C / 64.8°F (air) Sun, Dec 4, 2022 at 11:00pm
  • Wind
    3.6 - 10.1km/h N 10° Sun, Dec 4, 2022 at 11:00pm
  • Clear
    Clear Sun, Dec 4, 2022 at 11:00pm
  • Precipitation
    0mm Sun, Dec 4, 2022 at 11:00pm
  • Air Visibility
    16km Sun, Dec 4, 2022 at 11:00pm
  • Humidity
    93% Sun, Dec 4, 2022 at 11:00pm

This site is part of Millstone River and is in the Upper Millstone River subwatershed. It can be accessed from UMCP Park and has an average water temperature of 25.4 degrees Celsius, scoring excellent, with typically brown water and no algae. The water here can be still/slow or have moderate flow with ripples. Aquatic vegetation can range from none to abundant.

The description above was copied from or heavily based on Swim Guide, with permission.

More Information