Wash water for municipal equipment is discharged to the sanitary sewer and is not allowed in storm drains. Steam cleaning is done on the facility only in an area equipped to capture all the water and other wastes. Steam cleaning wash water is prohibited from storm drains.
The vehicle and equipment washing/steam cleaning BMPs for this facility are as follows:
(a) Vehicles and equipment are washed only in designated areas.
(b) Wash areas are paved and clearly marked.
(c) Sumps or drain lines are installed to collect wash water for treatment and discharge to the sanitary sewer; reuse (for repeated washings); or recycle (used elsewhere onsite).
(d) The wash area is graded or bermed to prevent storm water run on.
(e) Washing takes place on gravel, grass, or other permeable surfaces.
(f) Use only biodegradable soaps.
(g) Equipment and vehicle washing takes place inside a building designed for maintenance or equipment storage. All drains from the wash area are connected to the sanitary sewer and no storm water contacts the area.
(h) A commercial car wash is used to wash the facility vehicles and equipment.
(Ord. 2011-44. Passed 8-1-11.)