Supply of water.

1. Each mobile cosmetological establishment must have: (a) A holding tank which holds at least 100 gallons of self-contained fresh water and which is permanently and distinctly labeled for such use; (b) A holding tank which holds at least 100 gallons of self-contained gray water and which is permanently and distinctly labeled for such use; and (c) Holding tanks which provide hot water continually and on demand with a combined capacity of at least 6 gallons. 2. The holding tanks described in paragraphs (a) and (b) of subsection 1 must contain gauges that indicate the levels in the tanks and reserve capabilities. If an establishment’s portable water supply is depleted, operation must cease until the supply is replenished.