DDW-2024-008367

Slot Canyon Inn 09104.xlsx Page 1 of 6/11/2024
Division of Drinking Water — Water System Capacity Calculation Sheet (Last Update 3/30/2017)
*Enter the green cells only*
System Name Slot Canyon Inn System Number 09104
1.1 Indoor Water Use
Number of residential connections - - - - - - - - - - -- - - - - - - - - - - - - - - - - - -- - - - - - - - -2
Number of other connections - - - 4 ERCs of other connections 6.0
Total Equivalent Residential Connections (ERCs)8.0
MIN. REQUIREMENTS FOR INDOOR WATER USE
Source Storage
gpd/ERC Total (gpm)Gallons/ERC Total (gallons)
800 4.4)400 (3,200)
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
(Enter notes here regarding whether and what % of
irrigation water is supplied by PWS.)
Irrigation zone 4
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
(*Verify req'd fire flow and duration with local fire code officials.* Enter notes here, e.g.
fire official contact info or comments.)
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 4.4 400 3,200
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 4.4 gpm
Existing Source Capacity 60.0 gpm
Source Capacity Deficit None gpm
Existing % of Total Req'd 1350.0%
Slot Canyon Inn 09104.xlsx Page 2 of 6/11/2024
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 3,200 gal
Existing Storage Capacity 90 gal
Storage Capacity Deficit 3,110 gal
Required Fire Storage 0 gal
Is storage deficiency solely due to
fire storage?NO
Existing % of Total Req'd 2.8%
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 0 30 0 0.00
Semi-Developed Camp w/ flush toilets 20 0 10 0 0.00
Semi-Developed Camp w/o flush toilets 5 0 2.5 0 0.00
RV Park N/A 100 N/A 50 0.13
Number of people per camp site
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
4. Data Input for Calculating ERCs, Source and Storage 4.2 Summary - Existing Sources (enter in green cells below)
Slot Canyon Inn Total Existing Source Capacity (in gpm)
4.1 Projected ERCs Calculation (optional)WS001 Slot Canyon Well
Total Projected ERCs 0
Existing Residential Connections
Obligated Future ERCs (enter below)
Maximum ERCs (assuming indoor use only)
4.3 Summary - Existing Storage Tanks (enter below)
Total Existing Storage Cap. (in gallons)
HD001 Pressure Tanks
Slot Canyon Inn 09104.xlsx Page 3 of 6/11/2024
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.
Slot Canyon Inn 09104.xlsx Page 4 of 6/11/2024
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
4.2 Summary - Existing Sources (enter in green cells below)
60
60
108
4.3 Summary - Existing Storage Tanks (enter below)
90
90