DDW-2024-012798

Sigurd Capacity.xlsx Page 1 of 10/29/2024
Division of Drinking Water — Water System Capacity Calculation Sheet (Last Update 3/30/2017)
*Enter the green cells only*
System Name Sigurd System Number 21016
1.1 Indoor Water Use
Number of residential connections - - - - - - - - - - -- - - - - - - - - - - - - - - - - - -- - - - - - - - -174
Number of other connections - - - 18 ERCs of other connections 28.0 (Example: water use of 2 factories
equals to water use of 55 homes.)
Total Equivalent Residential Connections (ERCs)202.0
MIN. REQUIREMENTS FOR INDOOR WATER USE
Source Storage
gpd/ERC Total (gpm)Gallons/ERC Total (gallons)
800 112.2)400 (80,800)
1.2 Outdoor Water Use
Is the drinking water used for outdoor irrigation?
Residential ERCs using drinking water for irrigation - - - - - - - - - - - - > > >174
Percentage of Residential ERCs using DW for irrigation - - - - - - - - - - - - > > >100%Map Zones
Average irrigated acreage per residential connection - - - - - - - - - - - - > > >0.05 1
Total irrigated acreage of other connections (park, school, etc.)- - - - - - - - - - - - > > >3.00 2
(Enter notes here regarding whether and what % of
irrigation water is supplied by PWS.)
Irrigation zone 3 3
4
5
MIN. REQUIREMENTS FOR IRRIGATION USE 6
Source Storage
gpd/ERC Total (gpm)Gallons/ERC Total (gallons)
244 39.7 126 29,578
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 1
Required Fire Suppression Storage (in gallons) - - - - - - - - - - - - - - - - - - - - > > >60,000
(*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
Sigurd Capacity.xlsx Page 2 of 10/29/2024
MINIMUM REQUIREMENTS FOR WATER SYSTEM
Source (indoor + outdoor)Storage (indoor + outdoor + fire)
gpd/ERC Total (gpm)Gallons/ERC Total (gallons)
1,044 151.9 526 170,378
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 151.9 gpm
Existing Source Capacity 365.0 gpm
Source Capacity Deficit None gpm
Existing % of Total Req'd 240.3%
Sigurd Capacity.xlsx Page 3 of 10/29/2024
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 170,378 gal
Existing Storage Capacity 844,000 gal
Storage Capacity Deficit None gal
Required Fire Storage 60,000 gal
Is storage deficiency solely due to
fire storage?Not Applicable
Existing % of Total Req'd 495.4%
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 Total # of sites/pads ERCs
Modern Recreation Camp 60 0 30 0 0.00 0 0.0
Semi-Developed Camp w/ flush toilets 20 0 10 0 0.00 0 0.0
Semi-Developed Camp w/o flush toilets 5 0 2.5 0 0.00 0 0.0
RV Park N/A 100 N/A 50 0.13 0 0.0
Number of people per camp site 0
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)
Sigurd Total Existing Source Capacity (in gpm)365
4.1 Projected ERCs Calculation (optional)WS001 Ross Canyon Spring 165
Total Projected ERCs 206 WS003 Ross Canyon Lower Spring
Existing Residential Connections 206.06 WS005 Inspiration Spring
Obligated Future ERCs (enter below)WS006 North Spring
WS007 Willow Spring
Data from Water Rights WS008 Carter Spring
WS009 Artesian Well
WS002 Pumped Well 200
Sigurd Capacity.xlsx Page 4 of 10/29/2024
Maximum ERCs (assuming indoor use only)657
4.3 Summary - Existing Storage Tanks (enter below)
Total Existing Storage Cap. (in gallons)844,000
ST001 44K Tank 44,000
ST002 150K Tank 150,000
ST003 350K Tank 350,000
St004 300K Tank 300,000
(Enter notes here. If additional space is needed, click the "Additional Notes"
tab on the bottom of the screen.)