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
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
Wingham Lindon Hotel, 86512 London Rd, Wingham, ON N0G 2W0, 519-357-1342
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
January 18th – 21st, 2023
Venue & Hotel
News feed
Stay Connected With Us
An experienced Human Resource (HR) professional and a Certified Human Resources Leader, Kiljon often speaks to the #media on #HR management issues, with his views featured in leading HR management publications & on live news radio stations. Learn more: https://t.co/ihzoTgValA
Read MoreAs part of our upcoming conference & trade show, we will be visiting @CaveSpring, the first certified sustainable winery in Ontario! 🍇🍷 We’re looking forward to learning about the BioGill bioreactors that were installed by @EcoEthicInc in 2015 & sampling award winning wines! https://t.co/xDn5UVAaVV
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