What can councils of upper-tier municipalities do regarding sewage systems?

In the context of upper-tier municipalities in Ontario, they have the authority to enter into agreements with lower-tier municipalities for the enforcement of sewage system regulations. This allows for a collaborative approach to managing sewage systems, helping ensure compliance with applicable health and safety standards. When these agreements are established, upper-tier councils can delegate responsibility and may also charge municipalities for the enforcement services they provide. This kind of arrangement fosters a cooperative effort between different levels of municipal government, ensuring that sewage systems are managed effectively and in a manner that is consistent with provincial regulations.

The other options do not accurately reflect the powers granted to upper-tier municipalities. Implementing stricter laws than those established by the province may not be permitted since provincial regulations typically set the baseline standards and municipalities must adhere to them. Conducting independent inspections of private properties generally falls outside their jurisdiction, which is often limited to public properties or systems. Additionally, limiting inspections solely to commercial properties would not align with the broader regulatory responsibilities related to sewage management that encompass all types of properties.