water use in lcra service area
DESCRIPTION
Water Use in LCRA service area. Stacy Pandey Water Conservation Coordinator LCRA. LCRA Customer Survey. Municipal 25 surveys returned 80% of water use, 73% of connections Golf course (irrigation) 10 surveys returned 17% of water use Industrial 7 surveys returned 72% of water use. - PowerPoint PPT PresentationTRANSCRIPT
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Water Use in LCRA service
area
Stacy PandeyWater Conservation
CoordinatorLCRA
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LCRA Customer Survey
• Municipal– 25 surveys returned– 80% of water use, 73% of connections
• Golf course (irrigation)– 10 surveys returned– 17% of water use
• Industrial– 7 surveys returned– 72% of water use
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Total Connections of Surveyed Municipal Customers
% Connections by Water Use Category
0% 20% 40% 60% 80% 100%
Single Family
Multi-Family
Commercial
Industrial
Institutional
Wholesale
Public
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Municipal Water Use – by Category
% Water Use by User Type
63%
3%
13%
0%
1%
19%
1%
% Single Family
% Multi-family
% Commercial
% Industrial
% Institutional
% Wholesale
% Public
Single Family
Commercial
Wholesale
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Municipal Water Use – by category, minus WTC, Cedar Park
% Water Use by User Type
82%
2%
9%
1%
2%
3%
2%
% Single Family
% Multi-family
% Commercial
% Industrial
% Institutional
% Wholesale
% Public
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Total Irrigation Connections – Surveyed Municipal Customers
% Irrigation Connections by Water Use Category
14%
62%
0%
2%
0%
16%
5%
% Single Family
% Multi-Family
% Commercial
% Industrial
% Institutional
% Wholesale
% Public
Commercial
SF
MF
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Municipal Customer Water Use – Peak Month
Peak Month Water Use
0% 5% 10% 15% 20% 25% 30% 35% 40% 45%
1-10,000
10,000-25,000
25,000-50,000
>50,000
Gal
lon
s
% Connections
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Peak to Average Day Municipal Water Use
Range of Peak to Average Ratios for LCRA customers
29%
36%
21%
14%
2.0-2.29
2.3-2.59
2.6-2.89
>2.9
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Outdoor water use drivespeak demand
BASE VOLUME 75 %
Seasonal VolumeSeasonal Volume25%25%
DailyWater
Use
Winter WinterSummer
60 %
Time
Peak
40 %40 %
Base and SeasonalWater Use
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Water Loss – Municipal Customers
% Water Loss Reported by LCRA Customers
0.00%
5.00%
10.00%
15.00%
20.00%
25.00%
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Customer #
% W
ater
Lo
ss
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Commercial facilities- surveyed municipal customers
Total Commercial Facilities
0 200 400 600 800 1000 1200 1400
Eating Establishments
Groceries
Stores & Offices
Car Washes
Hotels & Motels
Laundries
Shopping Centers & Malls
Other
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Industrial/Institutional facilities - surveyed municipal customers
Total Industrial/Institutional Facilities
0 20 40 60 80 100 120
Manufacturing
Power Facilities
Asphalt/Concrete
Hospitals
Schools
Colleges
Prisons
Public Facilities
Religious Organizations
Other
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Municipal - New Connections
Connection Growth
0
5000
10000
15000
20000
25000
New Connections last 5 yrs New Connections Next 5 yrs
14% increase
over past 5 years (96%
Residential)
24% increase predicted
over next 5 years (93%
Residential)
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Municipal Customers: Plans to meet Region K Demands
• Region K identified water shortages for 20 WUGs that purchase water from LCRA.
• Region K identifies conservation as a means to meet this water shortage.
• Only 5 of the 14 WUGs responding to survey have plans to meet future demands by conservation.
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Golf course water use
% Water Use within Golf Course Areas
49%
30%
19%
Fairway
Roughs
Greens
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Golf Course (Irrigation) Customers
• 4 used Reuse to meet 50-75% of raw water needs
• 7 using computer controlled irrigation system, 3 using onsite weather data
• 4 completed water audits
• Future demands:– 2 anticipate 10% increase in water demand over next
10-20 years– 2 customers anticipate using more reuse to meet future
demands
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Industrial customers
• Top water uses– 1st - Cooling towers (3-8 cycle range)– 2nd - Process uses
• Irrigation = <1% of total water use
• Toilet water use– 110 bathrooms for 2002 employees– Over 90% bathrooms >15 years old
• 4 completed water audits– None meter cooling tower use separately– Only 1 audited cooling towers
