| North Cary Reclaimed Water Program | |||||
| Comparison of Water Quality Parameters | |||||
| Parameter (mg/L, except where noted) | Drinking Water Standard | Cary/ Apex Tap Water | Jordan Lake Water | North Cary Reclaimed Water | |
| Iron | 0.3 | 0.029 | 0.151 | 0.039 | |
| Manganese | 0.05 | 0.012 | 0.277 | 0.018 | |
| Calcium | n/a | 8.48 | not meas. | 15.95 | |
| Magnesium | n/a | 2.20 | not meas. | 4.21 | |
| Sulfate | 250 | 25.1 | not meas. | 48.7 | |
| Chloride | 250 | 10.5 | 15.3 | 47.2 | |
| Dissolved Solids | 500 | 75 | n/a | 207 | |
| Hardness | n/a | 30.25 | 33.1 | 57.16 | |
| pH | 6.5-8.5 | 7.2 | 6.9 | 6.8-7.2 | |
| Turbidity (NTU) | 0.5 | 0.29 | 3.97 | 0.36 | |
| Total Nitrogen | n/a | not meas. | not meas. | 2.08 | |
| Total Phosphorus | n/a | 0.05 | 0.03 | 0.043 | |
| Fecal Coliforms (#/100 ml) | 0 | 0 | 333 | 0 | |