The Coalition for the West Credit River is calling on Johnathan Wilkinson, (Minister of Environment and Climate Change Canada) for a federal review of the Environmental Study Report (ESR) for the Erin Wastewater Treatment Plant (Erin WWTP), under the Impact Assessment Act.
The Erin Wastewater Treatment Plant (Erin WWTP) will discharge over 7 million litres of effluent daily, releasing a toxic plume of chloride, ammonia and decreased oxygen into the West Credit River, directly upstream of native Brook Trout spawning nursery and habitat, and endangered Redside Dace.
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Category Archives: West Credit River
Coalition concerns over Erin Wastewater Treatment Plant
Our concerns are well documented in the attached Briefing Notes report, which has been prepared by our Coalition in the process of requesting a federal review under the Impact Assessment Act.
Media Release: Concerns over Brook Trout in the West Credit River
Brook trout spawning in a coldwater stream. Film by Steve Noakes
Articles:
Groups concerned about Erin’s proposed plant effect on coldwater fish, by Keegan Kozolanka
Ontario Rivers Alliance says town has ‘dismissed’ plans to protect Credit River brook trout from Erin wastewater plant, by Alexandra Heck
The Town of Erin (Erin) is in the design phase of a new sewage treatment plant, and the Ontario Rivers Alliance (ORA) is concerned that the sewage plant effluent will endanger some of the most productive and highly valued brook trout populations in the West Credit River. Continue reading
Town of Erin Wastewater Treatment Plant – Concerns over Brook Trout and Fish Habitat on the West Credit River

Finally, the West Credit River is a headwaters tributary of the Credit River and is considered the crown jewel of coldwater brook trout fisheries in Ontario. This fishery significantly adds to the economic and social fabric of the province, with Ontario fisheries contributing a total of approximately $2.5 billion annually to the provincial economy. MNRF’s own documents predict that climate change will reduce the number of watersheds in Ontario with brook trout by 50% by 2050.