“Uniform Plumbing Code” means the current edition of same which is accepted by the city of Lynnwood.

“Unpolluted water” means water of quality equal to or better than the NPDES permit effluent criteria in effect or water that would not cause a violation of water quality standards if discharged untreated.

“Upset” means an exceptional incident in which there is an unintentional and temporary noncompliance with pretreatment standards and/or with requirements of this title because of factors beyond the reasonable control of the discharger. An upset does not include noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventative maintenance, careless or improper operation or spills.

“User” means any person who contributes to, causes or allows the discharge of sewage or industrial wastewater into the POTW sewer system. (Ord. 3220 § 1, 2016; Ord. 2742 § 1, 2008; Ord. 1706, 1989)