The Ontario Building Code | Mobile Home Water Service
7.6.1.15. Mobile Home water service
(1) A water service pipe intended to serve a mobile home shall,
(a) be not less than ¾ in. in size,
(b) be terminated above ground, and
(c) be provided with,
(i) a tamperproof terminal connection that is capable of being repeatedly connected, disconnected and sealed,
(ii) a protective concrete pad,
(iii) a means to protect it from frost heave, and
(iv) a curb stop and a means of draining that part of the pipe located above the frost line when not in use.