Preserve, Protect and improve the big eau pleine reservoir

Maintaining optimum oxygen levels are key to water quality of the Big Eau Pleine. The following isopleths represent oxygen saturation throughout the Big Eau Pleine. - read more.


  • Hwy O bridge: 2 miles

  • Aerator: 5.6 miles

  • Hwy S bridge: 11 miles

  • Oxbo: 13 miles

  • Balsam/Spindler bridge: 18 miles

Map Key

  • Blue is 10 ppm (mg/L) of oxygen  

  • Green is 5 ppm (mg/L) of oxygen

  • Red is 3 ppm (mg/L) of oxygen  

  • Black is 1 ppm (mg/L) of oxygen

Water Quality