Ontario · O. Reg. 137/25
REGISTRATIONS UNDER PART II.2 OF THE ACT - STORM WATER MANAGEMENT WORKS
Under the Environmental Protection Act
Current version date September 1, 2026 · official source text · watch this law (RSS)
Change history
Ontario stormwater management works registration rules updated and future amendments folded into consolidated text
Ontario has amended O. Reg. 137/25, which governs registration of stormwater management works under the Environmental Activity and Sector Registry (EASR). The main practical effect is that previously scheduled future…
Ontario stormwater registry rules updated to cover spill containment works and underdrain systems at power generation sites
A set of amendments scheduled to take effect September 1, 2026 expand Ontario's self-registration framework for stormwater management works to formally recognize two new types of works: spill containment works (design…