Byram Swinging Bridge : Pearl River

Observation Report



  • pH(0-14)6.5
  • Dissolved Oxygen(mg/L)10.2
  • Hardness(mg/L)10.0
  • Turbidity(JTU)30.0
  • Alkalinity(mg/L)20.0
  • Dissolved Oxygen(% Saturation)90.4
  • Air Temperature11.25
  • Water Temperature8.5


No unusual smells or colors; no animals; a few tourists on the Swinging Bridge; current > 1 ft/sec in mid stream of river; no debris; no wind. Large eddies passing under bridge exhibited white streaks indicating mixing of something coming from upstream. Current in collection area swirling and evident but < 1 ft/sec. Partly cloudy with a little more thin cloud cover than the day before; bright sun when clouds part. No rain in last 24 hours. Continuing large discharges from upstream reservoir. Water level a few inches above yesterday, with falling stage; upstream gage was falling. Water was clear to less than a half foot. Adequate depth.