23. Subject to section 24, the safety check flood determined under section 21 or 22 may be less, but it may not be less than a 100-year flood if it is shown that a dam failure during such a flood would cause a consequence category lower than that used for the purposes of section 21.
O.C. 300-2002, s. 23; O.C. 17-2005, s. 4; O.C. 402-2011, s. 3.