Lambton Shores operates, repairs and maintains the collection and treatment portion of the wastewater system. Our sewer collection and treatment system is operated and maintained by Jacobs (OMI). Their staff members are certified operators under Reg. 129/04 made under the Ontario Water Resources Act.

Sewer treatment

All of our systems are in compliance with regulations mandated by the Ministry of the Environment. We undergo annual inspections of our system and plants to ensure compliance with our Certificate of Approvals.

Property owners are responsible for the portion of the sanitary lateral from the property line to the house or business.

We perform sewer treatment at the following locations:

  • Arkona treatment plant – serving the village of Arkona
  • Forest treatment plant and lagoon system – serving the town of Forest
  • Grand Bend Area Wastewater Treatment Facility – serving the village of Grand Bend and western portion of South Huron
  • Indian Hills treatment system – serving Indian Hills Golf Club and subdivision
  • Thedford lagoon system – serving the village of Thedford

Sewer rates

Sewer charges are based on the amount of water used plus a monthly base charge. The base charge is based on the size of water meter installed. All accounts are billed on a quarterly basis.

As per by-law 90-2019, the 2020 per cubic meter rate for sewer is $3.11.

Water Meter Size

2020 Monthly Base Charge





1 ½”




2 ½”








Sewer backup

If a sewage backup occurs in your home contact Jacobs (OMI) at 1-866-786-2421.

For after hours and sewer emergencies, call 1-888-399-1643.

Financial plan

Lambton Shores Water and Wastewater Financial Plan

Contact Us

Roads and Water
Municipality of Lambton Shores
9575 Port Franks Road, RR #1
Thedford, ON N0M 2N0
T.: 519-243-1400 Press 2 | Toll Free: 1-866-943-1400 Press 2 | F. 519-243-3500
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