METROPOLITAN WATER DISTRICT AND THE MUNICIPAL WATER DISTRICT OF ORANGE COUNTY (2) - 2017

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Lines on the forms requiring data input are highlighted in green. All other lines are calculated. A line -by-line explanation of the forms follows with the symbol, "tw"designating a user input, and the "P" symbol designating a calculated value: Worksheet 1 — Operatin.2 Plan Section A - Historic Groundwater Production: Section A calculates an Adjusted Baseline that is the basis against which monthly In -lieu Cyclic Storage deliveries will be measured. The Adjusted Baseline should reflect the monthly pumping pattern Santa Ana would follow if it were not planning to certify in -lieu deliveries from Metropolitan. The Adjusted Baseline is based on historic groundwater production patterns; however, Santa Ana may adjust these patterns to reflect anticipated system or operational changes during the coming operating year. L Lines Al, A2, & A3 - FY Groundwater Production: Santa Ana inputs previous three years monthly groundwater production data beginning one-year prior to the end of the last full operating period. For example, for an agency preparing its FY 2017-18 operating plan, the three years prior would include FY's 2014-15, 2013-14, and 2012-13. Monthly groundwater production data includes actual pumped groundwater and imported in -lieu deliveries. Line A4 - 3 -Year Historical Baseline: Spreadsheet calculates Santa Ana's average monthly groundwater production from the past three years. Line AS - Adjustments to Baseline: Santa Ana inputs anticipated increases and/or decreases in total monthly production due to factors such as new production wells coming online, wells taken out of service, and/or other justifiable alterations in production patterns. Line A6 - Adjusted Baseline: Spreadsheet calculates Santa Ana's Adjusted Baseline for the coming operating year, i.e., 3 -Year Historical Baseline with Adjustments to Baseline (positive or negative). As indicated above, Lines A1, A2, A3, and A5 are user inputs to be provided by Santa Ana prior to the beginning of the operating year for review by Metropolitan. This review may require Santa Ana provide Metropolitan with records documenting historic well production and rationale for Adjustments of Baseline. Section D — Planned Annual Operating Plan: Section B is Santa Ana's projection of monthly imported water deliveries, groundwater production, and other local supplies that will be used to meet its retail demand. The Section functions as a planning tool for Santa Ana and Metropolitan. It also calculates projected In -Lieu Treated Deliveries eligible for certification as Cyclic Storage based on projected groundwater production. Although only an initial estimate, once completed, Section B should remain static throughout the operating year and utilized as the baseline with which to evaluate the year's actual progress. Line Bl - Adjusted Baseline: This line carries forward Santa Ana's Adjusted Baseline calculated in Line A6. O:OPSEXECICONTRADWOROGRAM FORM&KRENISHMENT AND CUP CEROKICATION DOCUMENTATION.=