Ontario Association of Sewage Industry Services

We are a Provincial Association established in 1991

O.A.S.I.S. was established in 1991 to represent Septic Pumper, Installers, Portable Toilet Suppliers, Manufacturers and Biosolid Professionals in the 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 150 member companies who work in the Province of Ontario, throughout Canada and North America.

Latest News

COVID-19 Resources

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

Letter to Premier – Portable Sanitation on Construction Sites

March 27th 2020 Premier of Ontario Legislative Building Queen’s Park [...]

COVID-19 Control and Prevention Procedures

Workplaces Public health measures can be implemented to prevent 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
RT @infiltrator: [BLOG] Did you know that most Infiltrator products are made of 95% recycled materials? Learn more about the ways our produ…
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OASIS Live Tweets ONOasis
RT @oowa_org: #whatsthisWednesday Looking down into a septic tank: this is an outlet baffle (black) with effluent filter (white with visibl…
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OASIS Live Tweets ONOasis
RT @CVC_CA: Wouldn’t it be nice if septic systems were self-maintaining? 🚽 Unfortunately, they’re not (yet!)... Find out how to keep your s…
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