HomeMy WebLinkAboutDDW-2024-011224Bicknell Town 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 Bicknell Town Water System System Number 28001
1.1 Indoor Water Use
Number of residential connections - - - - - - - - - - -- - - - - - - - - - - - - - - - - - -- - - - - - - - -180
Number of other connections - - - 69 ERCs of other connections 79.0
Total Equivalent Residential Connections (ERCs)259.0
MIN. REQUIREMENTS FOR INDOOR WATER USE
Source Storage
gpd/ERC Total (gpm)Gallons/ERC Total (gallons)
800 143.9)400 (103,600)
1.2 Outdoor Water Use
Is the drinking water used for outdoor irrigation?
Residential ERCs using drinking water for irrigation - - - - - - - - - - - - > > >200
Percentage of Residential ERCs using DW for irrigation - - - - - - - - - - - - > > >111%
Average irrigated acreage per residential connection - - - - - - - - - - - - > > >0.05
Total irrigated acreage of other connections (park, school, etc.)- - - - - - - - - - - - > > >10.00
(Enter notes here regarding whether and what % of
irrigation water is supplied by PWS.)
Irrigation zone 3
MIN. REQUIREMENTS FOR IRRIGATION USE
Source Storage
gpd/ERC Total (gpm)Gallons/ERC Total (gallons)
244 67.8 126 50,560
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
MINIMUM REQUIREMENTS FOR WATER SYSTEM
Source (indoor + outdoor)Storage (indoor + outdoor + fire)
gpd/ERC Total (gpm)Gallons/ERC Total (gallons)
1,044 211.7 526 214,160
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 211.7 gpm
Existing Source Capacity 195.0 gpm
Source Capacity Deficit 16.7 gpm
Existing % of Total Req'd 92.1%
Bicknell Town 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 214,160 gal
Existing Storage Capacity 620,000 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 289.5%
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 60 240 30 120 0.30
Semi-Developed Camp w/ flush toilets 20 80 10 40 0.10
Semi-Developed Camp w/o flush toilets 5 20 2.5 10 0.03
RV Park N/A 100 N/A 50 0.13
Number of people per camp site 4
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)
Bicknell Town Water System Total Existing Source Capacity (in gpm)
4.1 Projected ERCs Calculation (optional)WS001 Lower Spring
Total Projected ERCs 259 WS003 Spring 1
Existing Residential Connections 180 WS004 Spring 2
Obligated Future ERCs (enter below)79 WS005 Spring 3
Commercial 33 WS006 Spring 4
Instituitional 23 WS007 Brinkerhoff Spring
Agriculture 23
Maximum ERCs (assuming indoor use only)
4.3 Summary - Existing Storage Tanks (enter below)
Total Existing Storage Cap. (in gallons)
ST001 Tank 1
ST002 Tank2
Bicknell Town 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.
Bicknell Town 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
4.2 Summary - Existing Sources (enter in green cells below)
195
9
9
9
9
9
150
351
4.3 Summary - Existing Storage Tanks (enter below)
620,000
320,000
300,000