No more than one single-family detached dwelling and/or principal building and its customary accessory building shall hereafter be erected on any one lot. In the A-1 agricultural district there may be up to four single-family residential dwellings on any parcel of land under single ownership (three plus the owner's dwelling) where the following conditions can be met:

a.

The additional dwellings may be occupied by either blood relatives to the owner of the property and said blood relationship shall extend to but not beyond the second descending and ascending generation, or full time caretaker employees of the property owner who are part of the farming operations and responsible for the agricultural production of the property.

b.

Each single-family detached dwelling shall occupy a land area not less than 43,580 square feet (one area) and conform to the lot requirements of a R-1 district.

c.

Each such land area shall receive approval from the county environmental health specialist as to the suitability of the site for an effective sanitary sewage disposal system.

d.

No commercial uses of the buildings are allowed and no rental charges can be place on these units.

e.

Each dwelling shall be accessible to the public roadway.

f.

Individual power supply sources shall be provided to each dwelling and each utility installation shall meet all code requirements.

g.

Permits for construction will not be issued prior to the approval of each of the aforementioned conditions by the building inspector or his designee.