Provided that safe and adequate disposal of sewage and a safe water supply can be provided without endangering the health and safety of adjoining residents, the requirements of Section 4 shall not prevent the construction of a permitted building or establishment of a permitted use on a lot containing less than the lot area and width required in Section 4, provided said lot is:

6.1.1

Recorded prior to July 1, 1965, in the Land Records of the Town of Vernon; or

6.1.2

Shown on a plan of subdivision approved by the Planning & Zoning Commission of the Town of Vernon and placed on file in the office of the Town Clerk of the Town of Vernon; provided, however, that if five (5) years have elapsed since the filing date of such plan, then all work as defined in Section 8-26(c) of the Connecticut General Statutes as amended must have been completed.

6.1.3

Recorded prior to the adoption of any zoning amendment changing the required lot area or width.

A group of adjacent lots of record under the same ownership may be re-divided or re-subdivided in accordance with the subdivision regulations into larger lots:

6.2.1

For permanent dwellings where permitted, provided such lots have not less than seventy-five (75) percent of the required lot area and lot width; and

6.2.2

Where in each case a safe water supply and a safe and adequate disposal of sewage can be provided without endangering the health and safety of adjoining residents.