Investor Presentaiton

15TH NATIONAL CONVENTION ON STATISTICS 03-05 OCTOBER 2022 Methodology Abstraction for . own use • Organized by the Philippine Statistical System Spearheaded by the Philippine Statistics Authority Data Sources Water abstraction by power plants Proportion of water used by water districts (p) Abs own use water collection where: p = Estimation = p✶ (Abs NWRB water collection + Water Production water Districts) • PSA Population projection, PIDS' per capita daily water requirement of 54L (1999 study) Developing the Water Flow Accounts of Region X PHILIPPINE STAT STATISTICS Solid Responsive percentage of water for own use by water districts relative to its total water production Population water requirement = projected population 0.054 365 * Household abstraction for own use = Water Reqpop - Water Sold households AUTHORITY World-class 9

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