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

11th Annual Chairty Golf Tournament

30th Annual OASIS Conference & Trade Show

11th Annual
Charity Golf Tournament

Where

40292 Jamestown Road
WIngham, ON N0G 2W0

When

Friday, Sept 10th, 2021
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 19th – 21st, 2022

Venue & Hotel

Americana Conference Resort Spa & Waterpark

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