Personal vehicles
Car washing limited to once a week per vehicle
using a hose with positive shut-off nozzle.
Commercial vehicles
Wash commercial vehicles only at a facility where water
is discharged to the sanitary sewer through approved methods.
Or, wash with a high-pressure, low-volume sprayer using
less than 10 gallons per vehicle. There is no limitation
on frequency.
Mobile car washing
Mobile car washes are allowed as long as company uses high-pressure,
low-volume equipment and uses less than 10 gallons of water
per vehicle.