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Exhibit E - LWA PROPOSAL RFP NO. 14 -069 <br />L A R R Y <br />WALKER <br />Cal leg uas Creek Watershed <br />Implementation Planning <br />t <br />Ventura County, CA <br />ASSOCIATES <br />CLIENT <br />Larry Walker Associates, Inc. (LWA) has provided technical water quality support <br />Calleguas Creek Watershed <br />to the Calleguas Creek Watershed (CCW) since 1998 and has assisted in <br />Management Group <br />watershed planning, monitoring, and management activities. The CCW water <br />quality and water resource management group, comprised of municipal, <br />agricultural, water supply, and wastewater treatment entities have contracted <br />CLIENT CONTACT <br />with LWA to manage the proactive development of a watershed implementation <br />Joe Deakin <br />plan to address pollutants of concern through an integrated framework in <br />Assistant Director <br />anticipation of a future MS4 permit. <br />Department of Public Works <br />The current Ventura County MS4 permit, issued in 2009, does not contain <br />City of Simi Valley <br />requirements to carry out quantitative assessments similar to the Reasonable <br />2929 Tapo Canyon Rd. <br />Assurance Analysis (RAA) outlined in the 2012 Los Angeles MS4. The absence of <br />Simi Valley, CA 93063 <br />clearly defined watershed management planning requirements affords the co- <br />permittees the opportunity to utilize novel and creative approaches to produce <br />(805) 583 -6401 <br />analyses that meet the intent of the RAA outside of the limits imposed by a <br />JDeakin @simivalley.org <br />Permit. <br />On behalf of the CCW group, LWA has provided the following services: <br />• Evaluated available peer- reviewed pollutant loading models and tools to <br />PROJECT DATES <br />establish a cost - effective, robust and defensible pollutant loading <br />2014 - Present <br />technical approach, utilizing the body of work conducted within the <br />watershed and extensive monitoring datasets; <br />• Identified pollutants of concern based on receiving water and outfall <br />LWA TEAM KEY STAFF <br />monitoring datasets; and <br />Will Lewis <br />Established target load reductions expected to bring pollutants of concern <br />Giles Pettifor <br />into compliance with water quality based effluent limitations and <br />Ashli Desai <br />receiving water limitations. <br />KEY SERVICES <br />• Pollutant Load <br />Quantification <br />• Treatment Control Best <br />Management Practice <br />(BMP) Evaluation <br />• Watershed Compliance <br />Strategy Development <br />Page 1 19 <br />25M -77 <br />