To ensure new small on-site sewage systems never become a significant drinking water threat, where such an activity would be a significant drinking water threat, the Township and the County of Dufferin, where applicable, shall permit new development, only where the lot sizes for any proposed development that would include a small on-site sewage system is based on the most current version of the Ministry of Environment, Conservation and Parks’ guidelines for individual on-site servicing. Lots of record that exist on the effective date of the source protection plan are exempted.

DC-M-CW-1.9: Where the Township and County of Dufferin is required to amend their Official Plan and/or Zoning By-law and provide proof of compliance to the Source
Protection Authority, they shall do so within 30 days of final approval of the amendment(s) or, where the matter has been appealed to the Ontario Municipal
Board, the date of their decision to approve.