2020-01 Performance Audit Report: Contingency Plans at County of Hawai'i's Department of Water Supply

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Aaron S. Y. Chung Chair & Presiding Officer Council District 2 March 3, 2020 JNK�•�F .4k- i •. r�4rFvc'nasy W.AluItt of Pubjul"i Bonnie S. Nims, CGAP Legislative Auditor OFFICE OF THE LEGISLATIVE AUDITOR 25 Aupuni Street Hilo, Hawaii 96720 * (808) 961-8386 * Fax (808) 961-8905 website: h9ps:11hawadcouno�.gov e-mail: publiclao&hawaiicount gov The Honorable Aaron S. Y. Chung, Council Chairperson and Members of the Hawaii County Council Hawaii County Council 25 Aupuni Street Hilo, Hawaii 96720 Dear Chair Chung and Council Members, Business Address 120 Pauahi Street Suite 309 Hilo, Hawai `i 96720 In accordance with Hawaii County Charter Section 3-18(d)(2), attached is the Office of the Legislative Auditor's report of our audit of contingency plans at the Department of Water Supply (DWS). As requested by Hawaii County Council in Resolution 287-17, the purpose of our audit was to determine whether the DWS had adequate contingency plans to guarantee sufficient water supply to customers at all times, including during a disruption of deep water well. Since January 2017, up to five of DWS's deep water wells were intermittently in and out of service, restricting valuable water service to residents, businesses, and the public throughout North Kona. As described in the attached report, DWS should further develop and implement complete, detailed, and written contingency plans by district as well as update their Continuity of Operations Plan. If you need any further information, please contact me at 961-8386. We sincerely thank the staff of the Department of Water Supply for their assistance and cooperation during the audit process. We greatly appreciate all of their valuable time and efforts spent on providing us information. Respectfully, Bonnie S. Nims, CGAP Legislative Auditor Hawai `i County is an Equal Opportunity Provider and Employer