The Ontario, Canada, Ministry of the Environment is enforcing the use of a Municipality Responsibility Agreement, which stops the development or expansion of communal systems greater than 2,500 gpd if an agreement isn’t in place. The MRA provisions state that if a large onsite system fails, the nearby municipality agrees to take over treatment. The ministry also halted expansions where municipalities wouldn’t enter into the agreements due to their open-ended cost and liability to the cities. In other cases, the ministry didn’t approve projects after municipalities declined entering into the agreements with property owners requesting a Certificate of Approval for
