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

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 [...]

Letter to Premier – Portable Sanitation on Construction Sites

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

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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: [WEBINAR] Onsite/Decentralized Wastewater Treatment Solutions for Collection, Treatment and Dispersal Wednesday, 9/21, at…
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OASIS Live Tweets ONOasis
OASIS will also be working alongside @ONenvironment on the development of an updated ECA Application Form & guidanc… https://t.co/m25rDIMwIr
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OASIS Live Tweets ONOasis
Together with @ONenvironment (MECP), we would like to inform you of an important change regarding the hauled sewage… https://t.co/kaF9RqcTJv
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