Regarding all nonresidential developments and all planned developments, and regarding subdivisions where public water is accessible, water mains shall be constructed and connected to the existing public water supply systems by the applicant, at the applicant's sole expense, and in such a manner as to make adequate water service available to each lot or building within the development. The entire system shall be designed in accordance with the requirements and standards of the local and/or State agency having approval authority and shall be subject to their approval. The system also shall be designed with adequate capacity and sustained pressure and in a looped system with no dead-end lines, whenever possible.
For purposes of the chapter, section regarding subdivisions, 'accessible' shall mean that the property to be developed is no further from an existing water main than the number of feet calculated by multiplying the number of lots in the proposed subdivision by 200 or, in the case of subdivision in which more than 15 lots are proposed, 'accessible' shall mean that the property to be developed is within one mile of an existing water main.