Costco Wholesale Canada Ltd. - Environmental Compliance Approval (sewage)

Instrument type: Environmental Compliance Approval (sewage)

ERO number
025-0887
Ministry reference number
1132-DHHPB2
Notice type
Instrument
Act
Environmental Protection Act, R.S.O. 1990
Posted by
Ministry of the Environment, Conservation and Parks
Notice stage
Proposal
Proposal posted
Comment period
August 1, 2025 - September 15, 2025 (45 days) Open
Last updated

This consultation closes at 11:59 p.m. on:
September 15, 2025

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Proposal summary

This proposal is for a new Environmental Compliance Approval (sewage) to install stormwater management infrastructure for Costco Wholesale Canada Ltd., for the collection, transmission, treatment and disposal of stormwater run-off from the lands located at 1900 Cyrville Road, City of Ottawa, Ontario.

Location details

Site address

1900 Cryville Road
City of Ottawa, ON
Canada

Site location map

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Proponent(s)

Costco Wholesale Canada Ltd.
730 Lake Drive
Issaquah, WA
98027
United States

Proposal details

This proposal is for a new Environmental Compliance Approval (sewage) to install stormwater management infrastructure for Costco Wholesale Canada Ltd., for the collection, transmission, treatment and disposal of stormwater run-off from the lands located at 1900 Cyrville Road, City of Ottawa, Ontario.

The proposed stormwater system includes an oil water separator and oil grit separator and storm sewers for quality control; private storm sewers will discharge treated runoff to the municipal storm network within the Cyrville Road right-of-way, with ultimate discharge to Green’s Creek immediately south of the site.

Supporting materials

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Client Services and Permissions Branch
Address

135 St Clair Ave West
1st Floor
Toronto, ON
M4V 1P5
Canada

Office phone number
416-314-8001 or 1-800-461-6290

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