| Substance | Average Reduction |
|---|---|
| Arsenic (Pentavalent) | 97.4% |
| Barium | 98.3% |
| Cadmium | 98.7% |
| Hexavalent Chromium | 91.2% |
| Trivalent Chromium | 97.8% |
| Copper | 98.9% |
| Fluoride | 95.6% |
| Lead | 98.7% |
| Nitrate/Nitrite(both as N) | 86.8% |
| Nitrate | 87% |
| Nitrite | 84.8% |
| Radium 226/228 | 80% |
| Selenium | 96.0% |
| Cyst | 99.99% |
| Trubidity | 99.0% |