Drewlo Holdings Inc. - Environmental Compliance Approval (sewage)

Instrument type: Environmental Compliance Approval (sewage)

ERO number
025-1312
Ministry reference number
1583-DLEPDV
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
November 25, 2025 - January 9, 2026 (45 days) Open
Last updated

This consultation closes at 11:59 p.m. on:
January 9, 2026

Proposal summary

This proposal is for a new Environmental Compliance Approval (sewage) for Drewlo Holdings Inc., for the establishment of an open-loop geothermal heating system, designed to serve multiple residential buildings located at 1275, 1285, and 1295 Sandy Lane in the City of Sarnia, Ontario. 

Location details

Site address

1275, 1285, and 1295 Sandy Lane
Sarnia, ON
Canada

Site location map

The location pin reflects the approximate area where environmental activity is taking place.

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Proponent(s)

Drewlo Holdings Inc.
680 Waterloo Street
London, ON
N6A 0B3
Canada

Proposal details

This proposal is for a new Environmental Compliance Approval (sewage) for Drewlo Holdings Inc., for the establishment of an open-loop geothermal heating system, designed to serve multiple residential buildings located at 1275, 1285, and 1295 Sandy Lane in the City of Sarnia, Ontario. 

The open-loop geothermal heat pump collects surface water from the marina bay, and process water will be routed back to the marina bay, and discharged approximately 23 metres west of the shoreline. 

The design capacity of the geothermal heating system is up to a maximum of 12,247,200 litres per day, however for the vast majority of the year, average flow rates will be 7,344,000 litres per day.

Supporting materials

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Client Services and Permissions Branch
Address

135 St. Clair Avenue West
Floor 1
Toronto, ON
M4V 1P5
Canada

Office phone number

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