Current Water Quality
Data
Information
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Security
Consumer
Confidence
Water Quality
Data are for the month of September 2008
(Information is usually
updated by the 20th of the following month.)
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Raw Water Quality
|
| |
Non-carbonate hardness, ppm |
94 |
| |
Total hardness, ppm |
397 |
| |
Total hardness, grains per gallon |
23.2 |
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pH |
7.37 |
Treated Water Quality
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| |
Non-carbonate hardness, ppm |
97 |
| |
Total hardness, ppm |
154 |
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Total hardness, grains per gallon |
9.0 |
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pH |
9.53 |
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Chlorine residual, ppm |
2.31 |
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Iron content, ppm |
0.06 |
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Fluoride content, ppm |
0.92 |
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Turbidity, NTU's |
0.14 |
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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 |
5.86 |
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Maximum Day, million gallons |
6.52 |
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Minimum Day, million gallons |
5.10 |
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Pumped to Mains, million gallons/month |
175.75 |
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Water
Plant Operating Summary
Data are for calendar year 2007
|
Volume of Water
|
| Pumped from wells, mg
|
2,298 |
| Pumped to mains, mg |
2,783 |
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Electric Utility (2006) |
53 |
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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 |
2,783 |
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Demand (Pumped to Mains)
|
| Average day, mg |
6.80 |
| Peak day, mg |
10.22 |
| Average of 3-day peak, mg |
9.81 |
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Summary Climate
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| Degree-days above 65° F |
1,334 |
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(Normal: 700-900/year) |
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| Rainfall, inches |
40.48 |
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