Ontario Association of Sewage Industry Services
OASIS was established in 1991 to support and represent businesses in the septic, portable toilet and biosolid land application industry.

Our resources
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Resources & Templates
Visit our detailed selection of business resources, templates, guidance documents and other relevant regulatory information for all your business needs.
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Membership Benefits
Through our membership benefit partners, we are proud to offer our members exclusive discounts on products, services and training.
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Find a Professional
Visit our interactive business directory map to find an OASIS professional near you.
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Marketing & Advertising
Promote your products or services to over 170 member companies located in the Province of Ontario, across Canada and North America.
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Become a Member
Join the largest professional network of hauled sewage, septic and portable toilet companies in Ontario and be at the forefront of leading industry advancement, training programs and regulatory updates.


Training & Certification
OASIS training programs are designed in consultation with Ontario Ministries to ensure your business and employees are compliant.
Homeowner Resources
Learn more about how your septic system works and what you need to do to keep it operating efficiently to avoid costly emergency maintenance and replacement costs.

Our Events

12th Annual Chairty Golf Tournament

30th Annual OASIS Conference & Trade Show
12th Annual
Charity Golf Tournament
Where
40292 Jamestown Road
WIngham, ON N0G 2W0
When
Friday, June 10th, 2022
Tee Time: 11:00 A.M.
Prices
$125 Per Golfer
$500 Per Team
More Information
Lunch available by donation
Dinner & Auction 6:00 P.M.
30th Annual OASIS
Conference & Trade Show
When
Venue & Hotel
News feed
Stay Connected With Us
We are excited to invite you to our upcoming #charitygolftournament, which is being hosted in support of @RMHToronto. To date, we have been able to donate $17200 to this incredible #charity. Unable to attend? Please consider sponsoring a hole! ⛳️ Info: https://t.co/edfbNgOzAY
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