Stormwater Pond Remediation

Many municipalities have challenges in maintaining engineered water systems such as stormwater ponds within urban areas. Changes in hydraulic loading, runoff and constituent loading can lead to a direct reduction of dissolved oxygen concentrations in stormwater ponds and subsequent deleterious effects associated with low oxygen, anoxic or anaerobic conditions such as:

Dissolved Oxygen rise due to EOS at High Park, Toronto

Dissolved Oxygen rise due to EOS at High Park, Toronto

  • generation of toxic and odorous gases (H2S)
  • generation of greenhouse gases (CO2, CH4)
  • release of phosphorus in the water column that promotes algae and weed growth
  • reduced ability of microbial populations to remove undesirable constituents (NH3/NH4+ and organic matter in the form of chemical oxygen demand).

Increasing capacity, maintaining and improving discharge quality are critical to community growth and sustainable cities.

WCI’s EOS-2000 solar-powered resonant frequency system offers an innovative, proven effective, and low-cost solution for increasing dissolved oxygen, digesting large quantities of organic sediments and improving the water quality of stormwater ponds and pond effluents released into receiving waters.


Ryerson Urban Water presentation at 51st CENTRAL Canadian Symposium on Water Quality Research
CAWQ Presentation – Duck Pond

Impact of Increasing Oxygen in StormWater Ponds [PDF 953KB from 43rd Annual WEAO Technical Symposium