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Compost Site

2019 Hours of Operation

Monday through Saturday, April 1 to December 14 from 9:00 a.m. to 5:00 p.m. Compost site gates are locked at 5:00 p.m.

Site will not be open:

  • Good Friday - Friday, April 19
  • Victoria Day - Monday, May 20
  • Canada Day - Monday, July 1
  • Alexander MacKenzie Day - Monday, August 5
  • Labour Day - Monday, September 2
  • Thanksgiving Day - Monday, October 14

**As of July 1, 2018, Debit and Credit cards will be the only form of payment at the Compost Site.

The loader is available to load vehicles from 9am to 3pm, Monday to Friday, except between 12pm and 1pm or when offsite due to mechanical failure.

You can drop off broken recycle bins, carts and non-metallic garbage containers for recycling at the compost site.

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Due to construction of a new sewer on St. Andrew Street, access to the Compost Site is required to be detoured. The closure of St. Andrew Street in front of the Water Pollution Control Centre begins May 21, 2019 and runs throughout the summer.

The detour is identified on the map attached. Please follow the detour along Scott Road.

compost site detour

Compost Information

Compost can be dropped off at no charge for leaves, grass, and garden waste.

Residents that wish to use plastic bags for leaves and grass would be required to transport the bags to the compost site and debag them themselves.  Residents would also be responsible for the disposal of their plastic bags.

There is a small fee for brush. Brush includes tree branches, hedges, shrubs, rose bushes, logs, and stumps. There is no limit on the diameter of the material dropped off at the compost site. If the brush is set out at the curb for collection by the City, then the branches cannot exceed 4 inches in diameter and be no longer than 4 feet in length.

Compost must be in clear or paper bags, or open containers marked on two sides with an ‘X’, no heavier than 48 pounds. Brush must be tied in bundles no longer than 4 feet or in open containers marked on two sides with an ‘X’.

If you have any questions, please contact the Public Works Department at 519-344-1932.


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This page was reviewed or revised on Friday, May 10, 2019 2:54 PM

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Sunny near noon then a mix of sun and cloud with 30 percent chance of showers this afternoon. Risk of a thunderstorm this afternoon. High 25. Humidex 30. UV index 9 or very high.

Current Conditions

Mostly Cloudy


Feels like 30C

For more information and forecasts, please visit Environment Canada


255 North Christina Street,
Sarnia, ON N7T 7N2
PH#: 519-332-0330
TTY# : 519-332-2664