For new septic systems or new septic system holding tanks, with the exception of:

those required for a municipal water supply well;

where these activities would be a significant drinking water threat, Municipalities shall amend their Official Plan and Zoning By-laws to prohibit uses, buildings or structures that would require a new septic system or septic system holding tank to be located within the above noted significant drinking water threat areas so that these activities never become significant drinking water threats.

5.09: Planning Approval Authorities, and all other implementers, shall establish
monitoring programs as per Section 45 of the Clean Water Act. The
information collected through these monitoring programs shall be included
in a monitoring report that shall be submitted annually to the Upper
Thames River Conservation Authority. The information submitted to the
Conservation Authority shall be consistent with the guidance developed
pursuant to policy 5.02 where that guidance identifies items required to
meet provincial reporting requirements of the implementer or SPA.
Aspects of the guidance which are beyond that which is necessary to
satisfy provincial reporting requirements shall be considered in submitting
the monitoring reports. Monitoring reports are to be submitted by
February 1 of each year following the first anniversary of the effective date
of the Source Protection Plan. Monitoring reports shall include information
since the submission of the previous monitoring report to December 31 of
the year previous to the deadline for report submission. For the first report,
the information shall include information from the effective date of the
Source Protection Plan.