(1) Except for ONB programs that enroll only school-age children and operate on public or private school premises, ONB programs that are served by private septic systems must ensure that the septic systems are designed, constructed, and maintained in accordance with state and local health jurisdiction requirements.

(a) Private septic systems must be inspected by a septic system maintenance service providers approved by the local health jurisdiction and monitored on a routine basis. Any deficiencies noted in an inspection report must be corrected with the necessary permits and inspections.

(b) The most recent private septic system pumping and inspection records must be kept on the licensed premises or in the ONB programs' administrative offices.

(c) If ONB providers do not have the documentation described in (b) of this subsection, ONB providers must obtain such documentation from the state, local health jurisdiction, or a department approved private company within six months of the date the ONB provider is approved by DCYF to operate an ONB program.

(d) ONB providers must notify the department and local health jurisdiction if there is a problem, concern, or malfunction with their private septic system.

(e) If a private septic system problem, concern, or malfunction interferes with the proper care of children and an approved alternative is not available, the state, local health jurisdiction, or department may require ONB programs to close until the system is inspected, repaired, and approved by the local health jurisdiction.

(2) Except for ONB programs that enroll only school-age children and operate on public or private school premises, pursuant to WAC 110-302-0146, playground design must not:

(a) Interfere with access to or the operation of a private septic system, including a private septic system's drain field and tanks; or

(b) Be located or placed in a way that impacts the private septic system's drain field or tanks as determined by local officials.

(3) ONB programs that utilizes a water-conserving toilet and greywater system pursuant to WAC 110-302-0220 must ensure that children do not play in areas contaminated by greywater.