DCF 57.40(3)(a)2.2. If the group home’s water supply is from a private well, the well shall be approved by the department of natural resources. Water samples from an approved well shall be tested at least annually for lead and bacteria by a laboratory certified under ch. ATCP 77. If the group home population includes children under 6 years old or expectant mothers, the water shall be tested as required in s. DCF 57.36 (8) or 57.37 (8), as applicable. DCF 57.40(3)(b)(b) Sewage. The group home shall have an adequate sewage disposal system. If the group home has a private sewage disposal system, the system shall be approved by the appropriate governmental approving authority. DCF 57.40(3)(c)(c) Water temperature. The group home shall be equipped with a water heater sufficient to meet the needs of all residents. The hot water delivered to the group home’s sinks, tubs, and showers shall not exceed 110° Fahrenheit. DCF 57.40(4)(a)(a) The group home shall be equipped with a heating system that is capable of maintaining a temperature of at least 68° Fahrenheit. DCF 57.40(4)(b)(b) All rooms, including bedrooms must be provided with adequate heating, cooling and ventilation. DCF 57.40(4)(c)(c) If the temperature inside the group home exceeds 80° Fahrenheit during summer months, the licensee shall provide for air circulation with fans or by other means. DCF 57.40(4)(d)(d) The heating unit shall be maintained in a safe condition as determined by an annual inspection by an individual professionally qualified to conduct such inspections. DCF 57.40(4)(f)(f) Bath and toilet rooms shall have either a window that opens or be equipped with exhaust ventilation to the outside. DCF 57.40(5)(5) Lighting. All habitable rooms shall have electric lighting sufficient to meet the needs of the group home and its residents. DCF 57.40(6)(6) Space requirements. There shall be at least 200 square feet of living space for each resident of the home. “Living space” includes any area that is used by a resident in daily living and excludes unfinished basement, attic, attached garage or similar areas, not usually occupied by a resident in daily living. The licensee shall ensure compliance with all of the following space requirements: DCF 57.40(6)(a)2.2. A group home serving only males or only females shall have at least one full bathroom that contains a toilet, sink, and a tub or shower available for use by residents. A group home initially licensed on or after January 1, 2006, serving males and females shall have 2 full bathrooms that are gender specific, each containing a toilet, sink and a tub or shower, unless the department grants an exception under s. DCF 57.02. DCF 57.40(6)(a)3.3. A bathroom that can be accessed only through a room used as a bedroom may not be counted as being available for use by residents who do not occupy that bedroom. DCF 57.40(6)(a)4.4. If the total number of residents and children of residents over the age of 2 years exceeds 10, there shall be 2 full bathrooms. DCF 57.40(6)(b)1.1. Each bedroom shall have a door that allows for privacy and a window that allows natural light to enter. DCF 57.40(6)(b)2.2. At least one wall of each room used as a bedroom by a resident shall be an outside wall. DCF 57.40(6)(b)3.3. For group homes licensed before January 1, 2006, the floor space of each bedroom shall be as follows: DCF 57.40(6)(b)3.a.a. A bedroom that is used by one resident shall have at least 55 square feet of floor space. DCF 57.40(6)(b)3.b.b. A bedroom that is occupied by 2 residents shall have at least 50 square feet of floor space for each resident. DCF 57.40(6)(b)3.c.c. A bedroom that is occupied by 3 or more residents shall have at least 45 square feet of floor space for each resident. DCF 57.40(6)(b)3.d.d. A bedroom that is occupied by a custodial parent and that parent’s child or children shall have the additional square footage required in s. DCF 57.36 (7). DCF 57.40(6)(b)4.4. For a group home that is licensed after the effective date of this rule, January 1, 2006, all of the following shall apply: