Canada Post service disruption

The Canadian Union of Postal workers has initiated a strike on September 25, 2025, impacting Canada Post mail service. If you usually mail payments, applications, registrations or other documents to the City, the mail service disruption could delay or prevent their delivery. Essential City mail will continue to be delivered via alternate means, please continue to check your mail. Learn more about alternatives via our Public Notice.

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City of Sarnia

Public Works

The Public Works Department maintains the water, sewer and road systems as well as operating two sewage facilities within the City. Public Works also administers the contracts for garbage collection and recycling, and maintains the City’s fleet.

Blocked Sewers

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Water Distribution Reports

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Drinking Water Quality Management System

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Hydrants

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Lead Reduction

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Backflow Prevention Program

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City of Sarnia

©2025 City of Sarnia

Contact the City

Phone

519-332-0330

Toll Free

1-877-472-7642

Address

255 Christina Street North, Sarnia, Ontario, N7T 7N2

Hours

Monday - Friday 8:30am - 4:30pm

Email

customerservice@sarnia.ca

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