For a new onsite sewage system or onsite sewage system holding tank, with the exception of a new onsite sewage system or onsite sewage system holding tank regulated under the Ontario Building Code Act that is required for a municipal water supply well, where these activities would be significant drinking water threats, the Area Municipalities shall amend their respective Zoning By-laws to prohibit uses, buildings and/or structures that would require a new onsite sewage system or onsite sewage system holding tank to be located within such areas, to ensure these activities never become significant drinking water threats.

OC-CW-1.9: Where this Source Protection Plan requires the County or Area Municipality to amend their Official Plan and/or Zoning By-law and provide confirmation of such amendments to the Source Protection Authority, they shall provide a copy of such
compliance within 30 days of adoption of the amendment(s) by County and/or Area Municipal Council or, where the matter has been appealed to the Ontario Municipal Board, the date of their decision to approve.