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I <br /> maintenance schedules and requirements. You must conduct inspections monthly during <br /> the wet season, and every other month during the dry season. (According to the <br /> SWMMWW, the wet season in western Washington is October 1 to April 30. According <br /> to SWMMEW, the wet season in eastern Washington is October 1 to June 30). After the <br /> first year of operation, owners/operators must conduct inspections based on the findings <br /> during the first year of inspections. <br /> • Conduct inspections by qualified personnel, follow manufacturer's guidelines, and use <br /> methods capable of determining either a decrease in treated effluent flowrate and/or a <br /> decrease in pollutant removal ability. <br /> • When inspections are performed, the following findings typically serve as maintenance <br /> triggers: <br /> • Standing water remains in the vault between rain events, or <br /> • Bypass occurs during storms smaller than the design storm. <br /> • If excessive floatables (trash and debris) are present(but no standing water or <br /> excessive sedimentation), perform a minor maintenance consisting of gross solids <br /> removal,not prefilter media replacement. <br /> • Additional data collection will be used to create a correlation between pretreatment <br /> chamber sediment depth and pre-filter clogging (see Issues to be Addressed by the <br /> Company section below) <br /> 6. Discharges from the MWS - Linear Modular Wetland Stormwater Treatment System units <br /> shall not cause or contribute to water quality standards violations in receiving waters. <br /> Applicant: Modular Wetland Systems, Inc. <br /> Applicant's Address: PO. Box 869 <br /> Oceanside, CA 92054 <br /> Application Documents: <br /> • Original Application for Conditional Use Level Designation, Modular Wetland System, <br /> Linear Stormwater Filtration System Modular Wetland Systems, Inc., January 2011 <br /> 1 • Quality Assurance Project Plan: Modular Wetland system—Linear Treatment System <br /> performance Monitoring Project, draft, January 2011. <br /> • Revised Application for Conditional Use Level Designation, Modular Wetland System, <br /> Linear Stormwater Filtration System Modular Wetland Systems, Inc., May 2011 <br /> • Memorandum: Modular Wetland System-Linear GULD Application Supplementary Data, <br /> April 2014 <br /> • Technical Evaluation Report: Modular Wetland System Stormwater Treatment System <br /> Performance Monitoring, April 2014. <br /> 1 <br /> i <br />