Ontario Association of Sewage Industry Services

We are a Provincial Association established in 1991

O.A.S.I.S. was established in 1991 to support and represent businesses in the septic, portable toilet and biosolid land application industry. We are dedicated to working with various levels of government, associations and those in related fields to improve and conform to regulations and guidelines pertaining to the sustainability of the environment in the Province of Ontario.

Presently, we have over 165 member companies who work in the Province of Ontario, throughout Canada and North America.

Latest News

Communication Notice from the Ministry of Labour

The Ministry recognizes and appreciates the continuing challenges faced by [...]

Communication Notice from the Ministry of Environment, Conservation and Parks

Together with the Ministry of the Environment, Conservation and Parks [...]

COVID-19 Resources

Dear OASIS Members, Suppliers, Non-Members and Industry Specialists, Over the [...]

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Latest Blogs

Improving Sewage Lagoon Performance Using Windmill Aeration

There are a variety of technical means for aerating lagoons [...]

Connection Vactor Combo

Vactor 2100 Plus - The Sewer Cleaning Standard You always [...]

Lagoon Insurance

Pollution Insurance Coverage for Lagoons Yes…It Really Does Exist… I’ve [...]

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Live Tweets

OASIS Live Tweets ONOasis
#FAQ: How often should I have my #septictank pumped and inspected? 🤔 https://t.co/Y9Zw3Nspe1
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OASIS Live Tweets ONOasis
As a @psaiorg member, experience everything you love about PSAI events like expert speakers & panels, HOLLway sessi… https://t.co/2SwFqVesjk
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OASIS Live Tweets ONOasis
Business to Bruce is hosting a free #webinar on April 13th, 2021 from 10:00 AM – 11:30 AM. Topic: Learn to promot… https://t.co/FTiAImC1kQ
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