DDW-2025-007163

Utah Department of Environmental Quality
Division of Drinking Water
Minimum Sizing Standards
Date Standard Effective: Tue Sep 12 08:48:46 MDT 2023
Peak Day Source Demand per ERC (gal/day): 401
Average Annual Demand per ERC (gal/year): 48,026
Equalization Storage per ERC (gal): 132
PINE CREEK RANCH POA PWS ID: UTAH20049
Admin Name: RENNALD S EGBERT
Address: 8857 S 1300 E
City, State, Zip: Sandy, UT 84094
Phone: [phone]
Email: [e-mail]
System Type: Transient Non-Community
Population: 90
MINIMUM SIZING STANDARD
MINIMUM SIZING STANDARD CALCULATIONS VARIABILITY
Data from these reporting years: 2020, 2021, 2022
Peak Day Source Demand per ERC (gal/day): 401
Average Annual Demand per ERC (gal/year): 48,026
Equalization Storage per ERC (gal): 132
x
x
x
(1 + 0.0)
(1 + 0.0)
(1 + 0.0)
=
=
=
401
48,026
132
DWRi WATER USE DATA REPORTED
Equalization per ERC (gal): 132
Existing Storage (gal): 32,000
ERCs: 133
Required Storage w/o Fire Flow: 17,556
Required Fire Storage (gal): 0
Required Storage w/Fire (gal): 17,556
Storage Deficiency: 0
Storage Deficiency (%): 0.0
No Storage Deficiency
Peak Day Source Demand per ERC (gpm): 0.28
Existing Source Capacity (gpm): 109
ERCs: 133
Required Source Capacity (gpm): 37
Source Deficiency: 0
Source Deficiency (%): 0.0
No Source 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/year)
Equaliza
tion
Storage
per ERC
(gal)
OP
Days
2022 52,136 6,243,305.16 130 401 48,026 132 365
2021 39,102 5,376,541.5 128 305 42,005 115 365
2020 32,585 3,584,361 133 245 26,951 74 366
Variability:0.039 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
2022 15,977 123 3.26
2021 9,565 75 4.09
2020 9,992 75 3.26
CAPACITY CALCULATIONS FOR STORAGE
CAPACITY CALCULATIONS FOR SOURCES
SYSTEM STORAGE AND SOURCE INVENTORY
Storage ID Storage Name Effective Volume (GAL)
ST001 VISTA STORAGETANK 1 15,000
ST002 TIMBER RIDGE STORAGE TANK 2 11,000
ST003 UPPER TIMBER RIDGE STORAGE TANK 3 6,000
Storage Totals: 32,000 GAL
Source ID Source Name Flow Rate (GPM)
WS001 VISTA WELL # 1 75
WS003 VISTA WELL 2 34
Source Totals: 109 GPM