DDW-2024-011001

System Number 25011
1.1 Indoor Water Use
Number of residential connections - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -31
Number of other connections - - - 5 ERCs of other connections 5.0
Total Equivalent Residential Connections (ERCs)36.0
gpd/ERC Total (gpm) Gallons/ERC Total (gallons)
800 20.0 400 14,400
1.2 Outdoor Water Use
Is the drinking water used for outdoor irrigation?
Residential ERCs using drinking water for irrigation - - - - - - - - - - - - > > >31
Percentage of Residential ERCs using DW for irrigation - - - - - - - - - - - - > > >100%Map Zones
Average irrigated acreage per residential connection - - - - - - - - - - - - > > >0.20 1
Total irrigated acreage of other connections (park, school, etc.)- - - - - - - - - - - - > > >20.00 2
Irrigation zone 3 3
4
5
6
gpd/ERC Total (gpm) Gallons/ERC Total (gallons)
976 88.8 506 66,234
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 1,000
Maximum fire suppression duration (in hours) for water system or pressure zone 2
Required Fire Suppression Storage (in gallons) - - - - - - - - - - - - - - - - - - - - > > >120,000
2. Summary of Water System Capacity Requirements
gpd/ERC Total (gpm) Gallons/ERC Total (gallons)
1,776 108.8 906 200,634
2.1 Does this system have adequate source capacity (per R309-510-7)?
Required Source Capacity 108.8 gpm
Existing Source Capacity 150.0 gpm
Source Capacity Deficit None gpm
Existing % of Total Req'd 137.8%
MIN. REQUIREMENTS FOR INDOOR WATER USE
MINIMUM REQUIREMENTS FOR WATER SYSTEM
Division of Drinking Water — Water System Capacity Calculation Sheet (Last Update 3/30/2017)
*Enter the green cells only*
(Example: water use of 2 factories
equals to water use of 55 homes.)
Source
MIN. REQUIREMENTS FOR IRRIGATION USE
System Name
Source
Fairfield Culinary Water 2024
Storage
(*Verify req'd fire flow and duration with local fire code officials.* Enter notes
here, e.g. fire official contact info or comments.)
(Enter notes here regarding whether and what %
of irrigation water is supplied by PWS.)
Source (indoor + outdoor)
Storage
Storage (indoor + outdoor + fire)
This source capacity assessment is a general overall system calculation. It may not reflect the variations in individual areas or pressure zones.
Yes No
Yes No
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2.2 Does this system have adequate storage capacity (per R309-510-8)?
Total Required Storage 200,634 gal
Existing Storage Capacity 410,000 gal
Storage Capacity Deficit None gal
Required Fire Storage 120,000 gal
Not
Applicable
Existing % of Total Req'd 204.4%
3. Transient PWS Indoor Water Use — ERC Calcuation (See R309-510, Tables 510-1, 2, & 4 for other facility types.)
GPD/person* GPD/site or pad Gallons/person
Gallon/site
or pad ERC/site or pad Total # of
sites/pads ERCs
60 0 30 0 0.00 0 0.0
20 0 10 0 0.00 0 0.0
502.500.00 0 0.0
N/A 100 N/A 50 0.13 0 0.0
Number of people per camp site
Source
(GPD/vehicle)
Storage
(Gal./vehicle)
ERC/1000
vehicles served
Vehicles
served/day ERCs
73.58.80 0.0
4. Data Input for Calculating ERCs, Source and Storage 4.2 Summary - Existing Sources (enter in green cells below)
Total Existing Source Capacity (in gpm)150
4.1 Projected ERCs Calculation (optional)WS001 Fairfield Spring (Inactive) 0
Total Projected ERCs 27 WS002 Fairfield Well 150
Existing Residential Connections 31
Obligated Future ERCs (enter below)
Maximum ERCs (assuming indoor use only) 270
4.3 Summary - Existing Storage Tanks (enter below)
Total Existing Storage Cap. (in gallons)410,000
ST001 160K Tank 160,000
ST002 250K Tank 250,000
(Enter notes here. If additional space is needed, click the "Additional
Notes" tab on the bottom of the screen.)
RV Park
Facility Type
Source
MINIMUM REQUIREMENTS FOR INDOOR USE
Modern Recreation Camp
Storage
Semi-Developed Camp w/ flush toilets
Fairfield Culinary Water 2024
Roadway Rest Stop w/ flushometer valves
Semi-Developed Camp w/o flush toilets
This storage capacity assessment is a general overall system calculation. It may not reflect the variations in individual areas or pressure zones.
Is storage deficiency solely due
to fire storage?
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