Ohio Admin. Code 4781-12-11
Rule 4781-12-11. Water systems
119.03 (A) The operator of a manufactured home park shall ensure that the water system, including any existing fire hydrants, is maintained in a safe and sanitary manner so as not to create a hazard to the health of the manufactured home park occupants. (B) The water supply for a manufactured home park shall be: (1) For portions of the park developed after the effective date of this rule: (a) From a public water supply if the manufactured home park has more than fifteen lots or the water supply serves more than twenty-five people. The water system shall be approved by the Ohio environmental protection agency; or (b) From a private water system that meets the requirements of Chapter 3701-28 of the Administrative Code if the manufactured home park has fifteen or fewer lots and serves twenty-five or fewer people. (2) For portions of a manufactured home park developed on or before the effective date of this rule: (a) From a public water system approved by the Ohio environmental protection agency; or (b) From a private water system that meets the requirements of Chapter 3701-28 of the Administrative Code. (C) Water service pipes connected to a manufactured home shall be protected against freezing and shall meet one of the following requirements: (1) Water service pipes located on a manufactured home park lot developed prior to June 1, 1979, shall be not less than one-half inch in diameter; (2) Water service pipes located on a manufactured home park lot developed on or after June 1, 1979, shall be not less than three-quarters of an inch in diameter. Any new or replacement water service pipes shall have a shut-off valve installed at or near the water main. (D) Any new or replacement water system installed in a manufactured home park located in a one-hundred-year flood plain after the effective date of this rule shall be designed to minimize or eliminate infiltration of flood waters into the system. Supplemental Information Authorized By: 4781.26 Amplifies: 4781.26 1/20/2025 12/1/2012