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QUALITY ASSURANCE WING WATER QUALITY RESULTS FOR THE MONTH OF OCT - 2010
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| Sl. No. | Description |
WATER QUALITY |
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|---|---|---|---|---|
RAW WATER KPS+300 MLD + Veeranam |
TEST TAP KPS+300 MLD + Veeranam |
CITY DISTRIBUTION |
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| 1 | NUMBER OF SAMPLES | 22 | 40 | 1276 |
| 2 | PERCENTAGE OF BACTERIOLOGICALLY GOOD SAMPLES | 0% | 100% | 98% |
| 3 | Colour | Sl.Yellowish | Colourless | Colourless |
| 4 | Odour | Sl.Earthy | Chlorinous | Chlorinous |
| 5 | Turbidity (NTU) | 13 | 4 | 5 |
| 6 | Total solids at 105 "C (mg/i) | 303 | 295 | 305 |
| 7 | Total Hardness (As CaCO3) | 123 | 133 | 125 |
| 8 | Calcium (As Ca) | 24 | 22 | 23 |
| 9 | Magenesium (As Mg) | 14 | 18 | 18 |
| 10 | Chlorides (AsCI) | 64 | 71 | 78 |
| 11 | Sulphates (As SO4) | 33 | 32 | 39 |
| 12 | Ammoniacal Nitrogen (As N) | 0.07 | 0.04 | 0.03 |
| 13 | Albuminoid Nitrogen (As N) | 0.53 | 0.15 | 0.23 |
| 14 | Nitrous Nitrogen (As N) | Nil | Nil | Nil |
| 15 | Nitric Nitrogen (As N) | 3.5 | 2.08 | 2.67 |
| 16 | Oxygen absorbed (Tidy's test) | 2.49 | 1.01 | 0.92 |
| 17 | Alkalinity to Phenolphthaleint (As CaCO3) | 108 | Nil | Nil |
| 18 | Alkalinity to Methyl Orange (As CaCO3) | 0.01 | 107 | 101 |
| 19 | Phosphates (As PO4) | 0.15 | 0.01 | 0.01 |
| 20 | Iron (As Fe) | 8.1 | 0.06 | 0.12 |
| 21 | Hydrogen Ion Concentration (pH) | 8.1 | 7.9 | 7.6 |
| 22 | Silicate (As SiO2) | 10 | 10 | 10 |
| 23 | Fluoride (As F) | 0.1 | 0.1 | 0.1 |
| 24 | Specific Conductance (Micromhos/cm) | 472 | 450 | 475 |
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