An exclusion provided for in this part does not relieve any person of the duty to comply with the requirements of Title 75, chapter 6. An extension of a public water supply system or an extension of a public sewage system to serve a subdivision must be reviewed in accordance with the provisions of Title 75, chapter 6.
Applicability Of Public Water Supply Laws
Mont. Code Ann. § 76-4-131, under Sanitation in Subdivisions.
Mont. Code Ann. § 76-4-131