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HomeMy WebLinkAboutDDW-2024-010235COMMUNITY 38,000 Phone: 801-774-1090 Emergency Phone: ESORENSEN@ROYUTAH.ROG Date Standard effective Peak Day Source Demand per ERC (gal/day) Average Annual Demand per ERC (gal/day) Equalization Storage per ERC (gal/day) Data from these reporting years 2018 to 2020 Max Peak Day Source Demand per ERC (gal/day)466 x 32%=615 Max Average Annual Demand per ERC (gal/day)107,333 x 27%=136,035 Max Equalization Storage per ERC (gal/day)294 x 27%=373 DWRi WATER USE DATA REPORTED Data Year Peak Day Source Demand (gal/day) Average Annual Demand (gallons) ERCs Op Days 2020 5,871,835 1,158,087,488 12,591 365 2019 4,431,574 1,108,382,177 12,533 365 2018 4,500,002 1,388,604,261 12,478 365 Variability 1% Data Year Peak Month Average (gal/day) Peak Month Average per ERC (gal/day) Ratio of PD/ERC to Peak Month Avg/ERC 2020 4,378,807 348 1.3 2019 3,921,144 313 1.1 2018 3,679,909 295 1.2 MINIMUM SIZING STANDARD Equalization Storage per ERC (gal/day) 615 2/9/2022 MINIMUM SIZING STANDARD CALCULATIONS 373 136,035 Minimum Sizing Standards Roy City Water System Population: System Type: 5460 S 2700 W EDWARD JAY SORENSON Division of Drinking Water Utah Department of Environmental Quality PWS ID: UTAH29016 ROY, UT 84067 27% 84,687 87,767 32% 27% 240 Variability Factor 361 354 466 Peak Demand per ERC (gal/day) Avg Annual Demand per ERC (gal/year) 294 232 107,333 0.0% 0.0% ST005 4000 SOUTH W TANK 2,000,000 GAL WS001 4800 S 1980 W WELL 1,100 GPM ST001 4800 S 1980 W TANK 2,000,000 GAL WS004 UTAH29023 WEBER BASIN WCDGPM ST002 5175 S 2425 W TANK 1,000,000 GAL WS005 4000 SOUTH WELL 1,850 GPM ST006 HILL AIR FORCE BASE 2MG TANK 2,000,000 GAL WS006 5175 S 2425 W WELL 677 GPM WS007 HILL FIELD WELL REPL-1 1,849 GPM WS008 UTAH29023 WEBER BASIN WCDGPM Storage Totals: 7,000,000 GAL Source Totals: 5,476 GPM SYSTEM STORAGE AND SOURCE INVENTORY 12,591 7,000,000 373 0 Required Storage w/ Fire (gal): Required Fire Storage (gal): SYSTEM SOURCE DETAILSSYSTEM STORAGE DETAILS STORAGE CALCULATION No Storage Deficiency Equalization per ERC (gal): 0 5,367,770 675,000 4,692,770 Storage Deficiency: Required Storage w/o Fire Flow (gal) ERCs: Existing Storage (gal): CAPACITY CALCULATIONS FOR STORAGE No Source Deficiency CAPACITY CALCULATIONS FOR SOURCES STORAGE CALCULATION Peak Day Source Demand per ERC (gpm) 0.43 Existing Source Capacity (gmp): 5,476 ERCs: 12,591 Required Source Capacity (gpm) 5,378 Source Deficiency (gpm):