Water Loss Audit Report 2010 TEXAS WATER DEVELOPMENT BOARD
P.O. BOX 13231, CAPITOL STATION
AUSTIN,TX 78711-3231
WATER AUDIT REPORTING FORM 2010
If further assistance is needed, contact Mark Mathis at Mark.Mathisf)twdb.state.tx.us or 512.463.0987.
A.Water Utility General Information
1. Water Utility Name: CITY OF COPPELL
2. Contact:
2a. Name GLENN D HOLLOWELL
2b.Telephone# (972)462-5151
2c. Email Address ghollow @coppelitx.gov
3. Reporting Period: From 1/1/2010 To 12/31/2010
4. Source Water Utilization, percentage: Surface Water 100.00 % Ground 0.00 %
Water
5. Population Served:
5a. Retail Population Served 39,750
5b.Wholesale Population Served 0
Assessment
Scale
6. Utility's Length of Main Lines, miles 192.00 0
7. Number of Wholesale Connections Served 0
8. Number of Retail Service Connections Served 12,277
9. Service Connection Density 63.94
(Number of retail service connections/Miles of main lines)
10.Average Yearly System Operating Pressure(psi) 75.00 0
11.Volume Units of Measure: MG
B.System Input Volume
12.Water Volume from own Sources 0.00 0
13. Production Meter Accuracy(enter percentage) 0.00 % 0
14.Corrected Input Volume 0.00
15.Wholesale Water Imported 3,122.00 0
5/6/2011 10:23:32 AM Page 1 of 3
16.Wholesale Water Exported 0.00 0
17.System Input Volume 3,122.00
(Corrected input volume, plus imported water, minus exported water)
C.Authorized Consumption Assessment
Scale
18. Billed Metered 2,967.00 0
19. Billed Unmetered 0.00 0
20. Unbilled Metered 66.00 0
21. Unbilled Unmetered 39.02 0
22.Total Authorized Consumption 3,072.02
D.Water Losses
23.Water Losses 49.98
(Line 17 minus Line 22)
E.Apparent Losses
24.Average Customer Meter Accuracy(Enter percentage) 97.00 % 0
25.Customer Meter Accuracy Loss 91.76
26.Systematic Data Handling Discrepancy 0.00 0
27. Unauthorized Consumption 7.80 0
28.Total Apparent Losses 99.56
F. Real Losses
29. Reported Breaks and Leaks 14.00 0
(Estimated volume of leaks&breaks repaired during the audit period)
30. Unreported Loss -63.58 0
(Includes all unknown water loss)
31.Total Real Losses -49.58
(Line 29, plus Line 30)
32.Water Losses(Apparent+Real) 49.98
(Line 28 plus Line 31)=Line 23
33. Non-revenue Water 155.00
(Water Losses+ Unbilled Authorized Consumption)
5/6/2011 10:23:32 AM Page 2 of 3
(Line 32, plus Line 20, plus Line 21)
G.Technical Performance Indicator for Apparent Loss
34.Apparent Losses Normalized 0.00
(Apparent Loss Volume/#of Retail Service Connections/365)
H.Technical Performance Indicators for Real Loss
35. Real Loss Volume(Line 31) -49.58
36. Unavoidable Annual Real Losses,volume(calculated) 78.79
37. Infrastructure Leakage Index(calculated) -0.62920
(Equals real loss volume divided by unavoidable annual real losses)
38. Real Losses Normalized 0.00
(Real Loss Volume/#of Service Connections/365)
(This indicator applies if service connection density is greater than 32/mile)
39. Real Losses Normalized 0.00
(Real Loss Volume/Miles of Main Lines/365)
(This indicator applies if service connection density is less than 32/mile)
I. Financial Performance Indicators Assessment
Scale
40.Total Apparent Losses(Line 28) 99.56
41. Retail Price of Water $2,600.00000 0
42. Cost of Apparent Losses $258,856.00
(Apparent loss volume multiplied by retail cost of water, Line 40 x Line 41)
43.Total Real Losses(Line 31) -49.58
44.Variable Production Cost of Water* $330.00000 0
(*Note: in case of water shortage, real losses might be valued at the retail price of water instead of
the variable production cost.)
45.Cost of Real Losses ($16,361.40)
(Real Loss multiplied by variable production cost of water, Line 43 x Line 44)
46.Total Assessment Scale 0
47.Total Cost Impact of Apparent and Real Losses $242,494.60
5/6/2011 10:23:32 AM Page 3 of 3
2. In your opinion,how you would rank the effectiveness of your conservation program?
Effective Somewhat Less than Not Effective Do Not Know
Effective Effective
0 0 0 0 0
Please provide additional information about any successes or problems you may have experienced
in implementing your plan.
3. Please provide information on the water conservation activities your entity undertook during
the reporting period:
1.)We have provided water conservation information on our website, in water bill inserts,
and through public educational programs held at the community gardens. We have also
provided information to the public as well as training classes through the Texas Smartscape
program.
2.)We have a meter change out program. We replace meters that are 10+ years old.
3.)We only allow water conserving plumbing fixtures in all new construction and remodels.
4.)We have an on-going leak detection program in which we identify and repair water leaks.
5.)We also have an on-going program trying to reduce and/or minimize unaccounted for
water uses.
6.)All landscaping that is being replaced as a result of City construction projects are
plantings that are drought tolerant and water conserving.
3
4. How often does your entity review your water conservation program?
Annually
5. What year did your entity adopt, or revise,their water conservation plan? 2009
6. What might your entity do to improve the effectiveness of your water conservation program?
7. What might the TWDB or TCEQ do to assist you in improving the effectiveness of your water
conservation program?
8. (Optional)If known,how much expense did your entity incur in implementing your water
conservation program during the reporting period(equipment, materials, staff time, etc.)?
(dollars/year)
9. Recycling and Reuse of Water or Wastewater Effluent
Please provide the following data regarding what types of water recycling or reuse activities
were practiced by your entity during the reporting period,and what volume:
Use Total Annual Volume
(in gallons)
Plant wash down 0
Chlorination/de-chlorination 0
Industrial 0
Landscape irrigation(parks,golf courses) 0
Agricultural 0
Other,please describe: 0
Total 0
Could treated effluent be substituted for certain potable water now being used? Yes 0 No
4
10.Drought Contingency and Emergency Water Demand Management
During the reporting period, did your entity activate its Drought Contingency Plan?
Yes® No
If yes,please check all the appropriate boxes for the reason why:
Reason
Water Shortage
High Demand
Capacity Issues _
Equipment Failure
Other,please describe: Stage 1 begins annually on May 15th.
Start Date 5/15/2010 End Date 9/15/2010
Submit Form b Email '> Print Form Reset Form
5