"Private Water System" includes any collection, treatment, storage, or distribution pipes or other constructed conveyances, intakes, structures or facilities under the control of the supplier of water, and used primarily in connection with such a system, and any collection or pretreatment storage facilities not under that control that are used primarily in connection with such a system. This includes multiple independent water wells or sources comprising a Private Water System. Private Water System does not include the portion of service pipe or devices owned and maintained by a homeowner of a private water system.
02-385 C.M.R. ch. 840, § 1