GHD was retained by the City of Barrie to undertake a
comprehensive engineering study to investigate alternatives and
develop recommendations for increasing the degree of wastewater
treatment for phosphorus removal.
The 76 MLD plant is the largest wastewater treatment plant that
discharges to Lake Simcoe. The plant is regulated by an
Environmental Compliance Approval issued under section 20.2 of Part
II.1 of the Environmental Protection Act, R.S.O. 1990, C.E. 19
which contains Lake Simcoe Phosphorus Reduction Strategy Effluent
Limits of 0.1 mg/L Total Phosphorus (annual average concentration),
effective no later than June 2, 2015. The project includes
identification and initial screening of available treatment
processes and technologies, completion of a detailed evaluation of
selected alternatives, implementation and monitoring on pilot plant
performance and final recommendation of preferred technology.
The primary objective of the pilot study was to consistently meet
0.04 mg/L total phosphorus.
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