Sec. 74.5. Water facilities

(a) A community water system is required when:

(1) the subdivision is located in an existing water district or service area;

(2) the subdivision is reasonably accessible to an existing water district or service area. This requirement shall apply in the absence of proof satisfactory to the department that the developer cannot effect arrangements for the installation and/or connection of the water system to the existing water district or service area facilities;

(3) individual wells cannot provide an average yield of five gpm;

(4) the subdivision consists of 50 lots or more;

(5) the subdivision consists of 200 or more residents in the aggregate;

(6) ground waters are nonpotable; or

(7) an approved comprehensive study exists.

(b)

(1) Community water systems shall be capable of delivering water at an average rate of 100 gal/capita/day when service connections are unmetered, or 75 gal/capita/day when service connections are metered.

(2) Community water systems shall be designed to deliver water meeting the requirements of Part 5 of this Title.

(3) Community water systems shall provide for continuity of water service. Ground water shall not be relied on unless at least two sources are available.

(4) Community water systems shall have at least one day's available storage at design average consumption.

(c) Individual wells shall assure an average yield of five gpm of potable water.

(d) The relevant provisions of department Bulletin 42 ^*Bulletins 1, 42 and Rural Water Supply have not been filed with the Department of State; however, for informational purposes they have been published as Appendixes 72-A, 5-A and 5-B, respectively, infra. entitled Recommended Standards for Water Works will be the basis upon which all plans, specifications and reports for community water systems will be reviewed for approval by the department, and the department bulletin Rural Water Supply^*Bulletins 1, 42 and Rural Water Supplyhave not been filed with the Department of State; however, for informational purposes they have been published as Appendixes 72-A, 5-A and 5-B, respectively, infra.will be the basis upon which individual water supply systems will be reviewed for approval.