DDW-2025-001636

Utah Department of Environmental Quality
Division of Drinking Water
Minimum Sizing Standards
Date Standard Effective: Tue Feb 11 09:09:44 MST 2025
Peak Day Source Demand per ERC (gal/day): 743
Average Annual Demand per ERC (gal/day): 140,208
Equalization Storage per ERC (gal/day): 384
AMERICAN FORK CITY PWS ID: UTAH25008
Admin Name: JAY L BREMS
Address: 275 E 200 N
City, State, Zip: American Fork, UT 84003
Phone: [phone]
Email: [e-mail]
System Type: Community
Population: 34,585
MINIMUM SIZING STANDARD
MINIMUM SIZING STANDARD CALCULATIONS VARIABILITY
Data from these reporting years: 2018, 2019, 2020, 2021,
2022, 2023
Peak Day Source Demand per ERC (gal/day): 743
Average Annual Demand per ERC (gal/year): 140,208
Equalization Storage per ERC (gal): 384
x
x
x
(1 + 0.0)
(1 + 0.0)
(1 + 0.0)
=
=
=
743
140,208
384
DWRi WATER USE DATA REPORTED
Equalization per ERC (gal): 384
Existing Storage (gal): 14,500,000
ERCs: 18,078
Required Storage w/o Fire Flow: 6,941,952
Required Fire Storage (gal): 675,000
Required Storage w/Fire (gal): 7,616,952
Storage Deficiency: 0
Storage Deficiency (%): 0.0
No Storage Deficiency
Year Peak
Day
Source
Demand
(gal/day)
Average
Annual
Demand
(gallons)
ERCs Peak
Demand
per ERC
(gal/day)
Avg
Annual
Demand
per ERC
(gal/day)
Equaliza
tion
Storage
per ERC
(gal/day)
OP
Days
2023 8,472,126 1,430,094,868.8 16,513 513 83,237 228 365
2022 7,559,743 1,528,123,883.64 18,078 418 79,461 218 365
2021 10,427,232 1,628,798,808.6 16,371 637 92,890 254 365
2020 10,753,083 1,723,751,790 15,898 676 98,281 269 366
2019 8,928,317 1,832,129,832.6 12,022 743 140,208 384 365
2018 8,146,275 1,791,919,819.2 12,758 639 134,221 368 365
Variability:0.504 0.0 0.0 0.0
Year Peak Month Average
(gal/day)
Peak Month Average
per ERD (gal/day)
Ratio of PD/ERC to
Peak Month Avg/ERC
2023 4,261,605 258 1.99
2022 4,739,765 262 1.59
2021 5,425,944 331 1.92
2020 4,997,082 314 2.15
2019 5,998,811 499 1.49
2018 4,334,869 340 1.88
CAPACITY CALCULATIONS FOR STORAGE
CAPACITY CALCULATIONS FOR SOURCES
Peak Day Source Demand per ERC (gpm): 0.52
Existing Source Capacity (gpm): 20,727
ERCs: 18,078
Required Source Capacity (gpm): 9,401
Source Deficiency: 0
Source Deficiency (%): 0.0
No Source Deficiency
SYSTEM STORAGE AND SOURCE INVENTORY
Storage ID Storage Name Effective Volume (GAL)
ST001 UPPER EAST TANK #1 5,000,000
ST002 UPPER WEST TANK #2 5,000,000
ST003 LOWER TANK 4,500,000
Storage Totals: 14,500,000 GAL
Source ID Source Name Flow Rate (GPM)
WS003 J.C.PARK WELL 2,600
WS004 1ST EAST WELL 650
WS005 6TH EAST WELL 1,200
WS006 HOSPITAL WELL 1,733
WS007 RACE TRACK WELL 3,200
WS008 ALPINE COUNTRY CLUB WELL 2,800
WS009 BOLEY WELL 2,925
WS010 GOLF COURSE WELL 3,500
WS001 TIMP CAVE CAMP SPRING 1,830
WS002 POWER HOUSE SPRING 289
Source Totals: 20,727 GPM