Current Water Quality
Data
Information
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|
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Security
Consumer
Confidence
Water Quality
Data are for the month of July 2010
(Information is usually
updated by the 20th of the following month.)
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Raw Water Quality
|
| |
Non-carbonate hardness, ppm |
105 |
| |
Total hardness, ppm |
401 |
| |
Total hardness, grains per gallon |
23.4 |
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pH |
7.34 |
Treated Water Quality
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| |
Non-carbonate hardness, ppm |
113 |
| |
Total hardness, ppm |
168 |
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Total hardness, grains per gallon |
9.8 |
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pH |
9.47 |
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Chlorine residual, ppm |
2.38 |
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Iron content, ppm |
0.09 |
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Fluoride content, ppm |
0.99 |
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Turbidity, NTU's |
0.09 |
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Bacterial Samples |
# of
samples taken |
56 |
| |
|
# of
confirmed positive samples |
0 |
Volume of Water
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| |
Average Day, million gallons |
6.00 |
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Maximum Day, million gallons |
7.10 |
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Minimum Day, million gallons |
4.70 |
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Pumped to Mains, million gallons/month |
186.06 |
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Water
Plant Operating Summary
Data are for calendar year 2009
|
Volume of Water
|
| Pumped from wells, mg
(2009) |
2,100 |
| Pumped to mains, mg
(2009) |
1,983 |
| |
Electric Utility (2006) |
53 |
| |
ISU-"campus" contract
(2006) |
359 |
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ISU-all other (2006) |
59 |
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All
other customers (2006) |
1,552 |
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Production & public use (2006) |
37 |
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Unaccounted for (2006) |
327 (14%) |
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Total to mains, mg
(2009) |
1,983 |
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Demand (Pumped to Mains)
(2009)
|
| Average day, mg |
5.60 |
| Peak day, mg |
7.77 |
| Average of 3-day peak, mg |
7.43 |
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Summary Climate
(2009)
|
| Degree-days above 65° F |
744 |
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(Normal: 700-900/year) |
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| Rainfall, inches |
39.47 |
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