Transcript www.lcra.org Water Use in LCRA service area Stacy Pandey Water Conservation Coordinator LCRA LCRA Customer Survey www.lcra.org • Municipal – 25 surveys returned – 80% of water use, 73% of connections •

www.lcra.org
Water Use in
LCRA service
area
Stacy Pandey
Water Conservation
Coordinator
LCRA
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LCRA Customer Survey
www.lcra.org
• 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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www.lcra.org
Total Connections of Surveyed
Municipal Customers
% Connections by Water Use Category
Public
Wholesale
Institutional
Industrial
Commercial
Multi-Family
Single Family
0%
20%
40%
60%
80%
100%
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Municipal Water Use – by Category
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% Water Use by User Type
Wholesale
1%
19%
% Single Family
% Multi-family
1%
% Commercial
0%
% Industrial
% Institutional
% Wholesale
13%
% Public
Commercial
3%
63%
Single
Family
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Municipal Water Use – by category,
minus WTC, Cedar Park
3%
2%
1%
% Water Use by User Type
2%
9%
% Single Family
% Multi-family
% Commercial
2%
% Industrial
% Institutional
% Wholesale
% Public
82%
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Total Irrigation Connections –
Surveyed Municipal Customers
% Irrigation Connections by Water Use Category
5%
0%
2%
0%
SF
16%
% Single Family
% Multi-Family
MF
% Commercial
% Industrial
14%
% Institutional
% Wholesale
% Public
62%
Commercial
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Municipal Customer Water Use –
Peak Month
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Peak Month Water Use
Gallons
>50,000
25,000-50,000
10,000-25,000
1-10,000
0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
% Connections
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Peak to Average Day Municipal Water
Use
Range of Peak to Average Ratios for LCRA customers
14%
29%
2.0-2.29
2.3-2.59
2.6-2.89
>2.9
21%
36%
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Outdoor water use drives
peak demand
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Water Loss – Municipal Customers
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% Water Loss Reported by LCRA Customers
25.00%
% Water Loss
20.00%
15.00%
10.00%
5.00%
0.00%
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2
3
4
5
6
7
8
9
10
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12
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14
15
16
Customer #
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www.lcra.org
Commercial facilities- surveyed
municipal customers
Total Commercial Facilities
Other
Shopping Centers & Malls
Laundries
Hotels & Motels
Car Washes
Stores & Offices
Groceries
Eating Establishments
0
200
400
600
800
1000
1200
1400
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www.lcra.org
Industrial/Institutional facilities surveyed municipal customers
Total Industrial/Institutional Facilities
Other
Religious Organizations
Public Facilities
Prisons
Colleges
Schools
Hospitals
Asphalt/Concrete
Power Facilities
Manufacturing
0
20
40
60
80
100
120
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Municipal - New Connections
www.lcra.org
Connection Growth
14%
increase
over past
5 years
(96%
Residential)
25000
20000
15000
24%
increase
predicted
over next
5 years
(93%
Residential)
10000
5000
0
New Connections last 5 yrs
New Connections Next 5 yrs
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www.lcra.org
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
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% Water Use within Golf Course Areas
19%
Fairway
Roughs
Greens
49%
30%
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Golf Course (Irrigation) Customers
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• 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
www.lcra.org
• 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
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www.lcra.org
Thanks!
• http://www.lcra.org/water/savewater.html
• Email: [email protected]
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