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6/02/2025 Existing Conditions Report Castlewood County Service Area (CCSA) 11 Water System Leakage County reports indicate leakage estimates ranging from 41 percent (2022) to 15 percent (2023).29 The high leakage in 2022 can be attributed to effects of the old water tanks and subsequent replacement process. Individual residential water meters and overage charges have reduced water usage.30 In 2012 an assessment found potential “unaccounted for water” represent ing about 11 percent to 15 percent of water pumped and recommended further investigation into potential losses.31 It is not known whether further investigations were conducted. Water M&O Expenditures Table 4 shows projected costs that were the basis for FY2024-25 charges.32 Table 4 Summary of Water Costs as Basis for FY2024 -25 Charges The projected costs resulted in a nearly 300 percent increase in water M&O charges compared to the prior year FY2023-24. Non-recurring Water M&O Expenditures Non-recurring and unanticipated expenditures reduced fund balances and created a cumulative deficit requiring a County loan. An additional assessment was added to water M&O service charges to repay the loan (see Water O&M Supplemental Charge, below). Future charges (notwithstanding the 10-year supplemental charge) were calculated based on costs shown in Table 4 excluding extraordinary, non-recurring charges (plus an annual inflation adjustment for water and sewer O&M 29 CPOA data from County (CPOA file: “County Summary Homeowner Usage PDF-Water use (2020-2023) 9.23.24-Downloaded 09.24.24”). 30 CPOA 4/18/2025. 31 2012 CCSA Water & Sewer Assessment. 32 Castlewood CSA R-1967-1 Engineer’s Report for Proposed Service Charge Increase, April 2024.