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Walker Organics Recovery

Offering a wide range of services including composting, biosolids management, grease trap cleaning and wood grinding leading to greener outcomes. Transforming organic waste into fertilizers, mulch, compost and alternative low carbon fuels.


Contact Details:

Contact Walker Organics Recovery

Administrative Office

2800 Thorold Townline Road
P.O. Box 100
Thorold, ON L2V 3Y8

Phone: 905-680-1900
Toll-free: 1-800-263-2526
Fax: 905-680-1916

Compost Facilities

Thorold Compost Site

2800 Thorold Townline Road
Thorold, ON L2E 6S4

Phone: 905-680-3683


Hours of Operation

Monday to Saturday – 7:00 a.m. to 5:00 p.m.
Closed Sundays and statutory holidays including civic holidays.


Acceptable Materials

  • Leaf and yard waste
  • Organics
  • Industrial, commercial and institutional food wastes


Approval Information

Amended Compost Certificate of Approval
Compost Certificate of Approval

Biosolids Facilities

N-Viro® Biosolids Facility - Banff, AB

N-Viro® Biosolids Facility - Halifax, NS

N-Viro® Biosolids Facility - Leamington, ON

N-Viro® Biosolids Facility - Niagara Falls, ON

N-Viro® Biosolids Facility - Sarnia, ON

N-Viro® Biosolids Facility - Sudbury, ON

Waste Stream Information Sheets


Download the Waste Stream Information Sheet here.

N-Rich® Product Labels


Download the Banff Product Label here.


Download the Halifax Product Label here.


Download the Leamington Product Label here.


Download the Niagara Product Label here.


Download the Sarnia Product Label here.


Download the Sudbury Product Label here.

N-Rich® Safety Data Sheets

Safety Data Sheet

Download the Safety Data Sheet here.