13.25.050 Management of contaminated groundwater and water quality standards.
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A. Temporary construction dewatering activities shall not cause contaminated groundwater to move across property boundaries and/or towards a City water supply well. Temporary construction dewatering activities shall also not accelerate the movement of contaminated groundwater towards a City water supply well.
B. Construction dewatering effluent discharged to Waters of the State shall meet Water Quality Standards for Surface Waters of the State of Washington (Chapter 173-201A WAC) or MTCA Surface Water Standards.
C. Construction dewatering effluent that is infiltrated into the ground must meet State Groundwater Quality Standards. (Ord. 2957 § 7 (part), 2019: Ord. 2831 § 2 (part), 2016).