209. The installation and subsequent operation of apparatus or equipment intended to treat the discharge into the environment of a quantity of wastewater from a washing facility for road vehicles used for passenger transportation of less than 10 m3 per day are exempted from authorization pursuant to this Subdivision on the following conditions:(1) the water comes only from the operation of the facility and includes no domestic wastewater;
(2) the apparatus or equipment includes a sand remover or settling tank and an oil separator;
(3) the water is discharged 100 m or more from a category 1 or 2 water withdrawal site or 30 m or more from a category 3 groundwater withdrawal site.