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.
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.
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.
11th Annual Chairty Golf Tournament
30th Annual OASIS Conference & Trade Show
Charity Golf Tournament
40292 Jamestown Road
WIngham, ON N0G 2W0
Friday, Sept 10th, 2021
Tee Time: 11:00 A.M.
$125 Per Golfer
$500 Per Team
Lunch available by donation
Dinner & Auction 6:00 P.M.
30th Annual OASIS
Conference & Trade Show
January 19th – 21st, 2022
Venue & Hotel
Stay Connected With Us
RT @oowa_org: Fats, oils and greases (FOGs) do not break down in your septic tank. They build up, forming a floating scum layer that slows…Read More
Thank you Weber Septic Service for sponsoring a hole! For 50+ years, Weber Septic Services has been serving residential & commercial customers in Wellington County & the Waterloo Region by providing reliable septic & environmental solutions. Learn more: https://t.co/vQHoZI62GjRead More
GPS to GO is a proud provider of #GPS fleet tracking solutions for companies across 🇺🇸 & 🇨🇦. Helping businesses specialized in: - Delivery - Transportation - Home Services - Utilities - Public Transit Learn more about our new Affiliate Partner here: https://t.co/Rxnk2504BlRead More