ZONING REGULATIONS OF THE TOWN OF WILTON, CONNECTICUT

29-9.D.2. Applicabilitya. These regulations shall apply to all land and uses encompassed within theAPZ as designated on a map entitled "Wilton Planning and ZoningCommission Aquifer Map", which Map is hereby made a part of theseRegulations.b. These regulations shall be in addition to the requirements for the underlyingzoning districts as designated on the Zoning Map. Both the requirements ofthe Zoning Regulations as set forth in other sections and the requirementscontained herein for the APZ shall apply within such zone, and in the eventof a conflict, the more restrictive requirements shall control.c. Within the boundaries of the APZ comprising the primary recharge areas ofdesignated aquifers, no land shall be used except in compliance with theprovisions of these Regulations.3. Permitted Uses: The following are permitted uses in the APZ:a. All uses permitted in the underlying district except as provided for in Sections29-9.D.4. and 29-9.D.6.b. On-site sewage disposal systems, provided that no such system shalldischarge more than 350 gallons of sanitary wastewater per acre per day.c. On-site storage of petrochemicals for heating use in tanks of less than 550gallons installed aboveground, provided that such tanks shall be designedand constructed in accordance with the standards of UnderwritersLaboratories, Inc., Canadian Standards Association, National Fire PreventionAssociation or Section 29-62 of the General Statutes.4. Special Permit Uses: The following uses are permitted subject to Special Permit andSite Plan approvals in accordance with 29-10 and 29-11.a. On-site sewage disposal systems that discharge more than 350 gallons ofsanitary wastewater per acre per day.b. Any uses which include the use or storage of potential groundwatercontaminants, either liquid or dry materials, including but not limited to onsitestorage of petrochemicals in tanks installed in-ground, or tanks largerthan 550 gallons installed aboveground.c. Groundwater heat pumps supplying heating and cooling for other than adetached single-family residence, provided that such systems shall bedesigned to treat, if necessary, and return discharged water to thegroundwater.d. The removal of water from a designated aquifer by means of wells, pumps,pipelines or any similar equipment for the purpose of sale or export other162