DDW-2024-011187

South Forty Rv Park Capacity Calcs.xlsx Page 1 of 9/23/2024
Division of Drinking Water — Water System Capacity Calculation Sheet (Last Update 3/30/2017)
*Enter the green cells only*
System Name South Forty RV Park System Number 16015
1.1 Indoor Water Use
Number of residential connections - - - - - - - - - - -- - - - - - - - - - - - - - - - - - -- - - - - - - - -0
Number of other connections - - - 75 ERCs of other connections 9.4
Total Equivalent Residential Connections (ERCs)9.4
MIN. REQUIREMENTS FOR INDOOR WATER USE
Source Storage
gpd/ERC Total (gpm)Gallons/ERC Total (gallons)
800 5.2)400 (3,760)
1.2 Outdoor Water Use
Is the drinking water used for outdoor irrigation?
Residential ERCs using drinking water for irrigation - - - - - - - - - - - - > > >0
Percentage of Residential ERCs using DW for irrigation - - - - - - - - - - - - > > >0%
Average irrigated acreage per residential connection - - - - - - - - - - - - > > >0.00
Total irrigated acreage of other connections (park, school, etc.)- - - - - - - - - - - - > > >0.00
RV park no grass, no irrigation
Irrigation zone 2
MIN. REQUIREMENTS FOR IRRIGATION USE
Source Storage
gpd/ERC Total (gpm)Gallons/ERC Total (gallons)
0 0.0 0 0
1.3 Fire Flow Water Use
Does the water system provide fire protection?
Maximum fire flow demand (in gpm) for water system or pressure zone 0
Maximum fire suppression duration (in hours) for water system or pressure zone 0
Required Fire Suppression Storage (in gallons) - - - - - - - - - - - - - - - - - - - - > > >0
No fire hydrants, Marysvale town fire department provides fire protection
2. Summary of Water System Capacity Requirements
MINIMUM REQUIREMENTS FOR WATER SYSTEM
Source (indoor + outdoor)Storage (indoor + outdoor + fire)
gpd/ERC Total (gpm)Gallons/ERC Total (gallons)
800 5.2 400 3,760
2.1 Does this system have adequate source capacity (per R309-510-7)?
This source capacity assessment is a general overall system calculation. It may not reflect the variations in individual areas or pressure zones.
Required Source Capacity 5.2 gpm
Existing Source Capacity 20.0 gpm
Source Capacity Deficit None gpm
Existing % of Total Req'd 383.0%
South Forty Rv Park Capacity Calcs.xlsx Page 2 of 9/23/2024
2.2 Does this system have adequate storage capacity (per R309-510-8)?
This storage capacity assessment is a general overall system calculation. It may not reflect the variations in individual areas or pressure zones.
Total Required Storage 3,760 gal
Existing Storage Capacity 7,700 gal
Storage Capacity Deficit None gal
Required Fire Storage 0 gal
Is storage deficiency solely due to
fire storage?Not Applicable
Existing % of Total Req'd 204.8%
3. Transient PWS Indoor Water Use — ERC Calcuation (See R309-510, Tables 510-1, 2, & 4 for other facility types.)
MINIMUM REQUIREMENTS FOR INDOOR USE
Source Storage
Facility Type GPD/person*GPD/site or pad Gallons/person Gallon/site or
pad ERC/site or pad
Modern Recreation Camp 60 150 30 75 0.19
Semi-Developed Camp w/ flush toilets 20 50 10 25 0.06
Semi-Developed Camp w/o flush toilets 5 12.5 2.5 6.25 0.02
RV Park N/A 100 N/A 50 0.13
Number of people per camp site 2.5
Source
(GPD/vehicle)
Storage (Gal.
/vehicle)
ERC/1000
vehicles served
Vehicles
served/day ERCs
Roadway Rest Stop w/ flushometer valves 7 3.5 8.8 0 0.0
4. Data Input for Calculating ERCs, Source and Storage 4.2 Summary - Existing Sources (enter in green cells below)
South Forty RV Park Total Existing Source Capacity (in gpm)
4.1 Projected ERCs Calculation (optional)WS001 peterson park well
Total Projected ERCs 47
Existing Residential Connections 0
Obligated Future ERCs (enter below)47
Maximum ERCs (assuming indoor use only)
4.3 Summary - Existing Storage Tanks (enter below)
Total Existing Storage Cap. (in gallons)
ST001 storage facility 1
South Forty Rv Park Capacity Calcs.xlsx Page 3 of 9/23/2024
Division of Drinking Water — Water System Capacity Calculation Sheet (Last Update 3/30/2017)
(Example: water use of 2 factories
equals to water use of 55 homes.)
Map Zones
1
2
3
4
5
6
This source capacity assessment is a general overall system calculation. It may not reflect the variations in individual areas or pressure zones.
South Forty Rv Park Capacity Calcs.xlsx Page 4 of 9/23/2024
This storage capacity assessment is a general overall system calculation. It may not reflect the variations in individual areas or pressure zones.
Total # of sites/pads ERCs
0 0.0
0 0.0
0 0.0
75 9.4
4.2 Summary - Existing Sources (enter in green cells below)
20
20
36
4.3 Summary - Existing Storage Tanks (enter below)
7,700
7,700