(A) Purpose. It is the purpose of this section to reduce pollutants such as sediments, concrete, altered pH and oxygen demanding substances in the wash water discharges.
(B) Prohibition. No person shall wash residual ready mix concrete from concrete mixing trucks regardless of its location, in an area where discharges might enter the MS4 and/or waterbodies.
(C) Implications. This section implies that wash water from concrete mixing or excess concrete from concrete mixing trucks may not be discharged into the MS4 and/or waterbodies. The washing is permitted in the ready mix concrete plant only if collected, contained and pretreated before discharging into the sanitary sewer in accordance with the requirements set forth by the City Water Department. The washing is permitted within a construction site only if collected, contained and disposed of in accordance with approved best management practices set forth by the City Water Department.
(Ord. passed 7-26-2010) Penalty, see § 154.99