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Public Works Agency <br />www.santa-ana.org/pw <br />Item # 21 <br />City of Santa Ana <br />20 Civic Center Plaza, Santa Ana, CA 92701 <br /> Staff Report <br />August 17, 2021 <br />TOPIC: PFAS Treatment System at Well 38 <br />AGENDA TITLE <br />Approve an Appropriation Adjustment and Approve the Well 38 PFAS Agreement with <br />the Orange County Water District in the amount of $6,000,000 for a 30-Year Term for <br />Construction of a Treatment Facility at Well 38 (Project No. 22-6470) (Non-General Fund) <br />RECOMMENDED ACTION <br />1. Approve an appropriation adjustment recognizing $1,000,000 from prior year fund <br />balance in the Public Works Water Revenue, Prior Year Carry Forward revenue <br />account and appropriate the same amount into the Acquisition & Construction, Water <br />Utility Water Capital Projects, Water Capital Project expenditure account. <br />2. Authorize the City Manager to execute the Well 38 PFAS Agreement with the Orange <br />County Water District for a total cost not to exceed $6,000,000, for the term beginning <br />upon execution of the agreement and ending 30 years thereafter, subject to non- <br />substantive changes approved by the City Manager and City Attorney. <br />3. Approve an amendment to the Fiscal Year 2021-22 Capital Improvement Program to <br />include $1,000,000 in funds for the Well 38 PFAS Treatment Facility Project. <br />DISCUSSION <br />The State of California Division of Drinking Water (DDW) has established Response <br />Levels (RLs) for per- and polyfluoroalkl substances (PFAS) which require that community <br />water systems remove affected drinking water sources from their service. DDW has also <br />established Notification Levels (NLs) which require that community water systems either <br />notify their customers of PFAS detection levels exceeding the NLs, or remove the affected <br />drinking water sources from service. In response, the City’s Water Resources Division <br />has removed five wells from its production and distribution system, including Well 38. <br />The removal of the affected wells creates an increased reliance on more expensive, <br />imported water from Metropolitan Water District of Southern California (MWD). The City <br />pumps roughly 75 percent of the potable water it serves its customers from the Orange <br />County Groundwater Basin (Basin), which is managed by the Orange County Water <br />District (OCWD). The remaining 25 percent of potable water comes from imported