| Proportions of Water-Borne Treatment Average 2014-2016 per Solo-Gabriele et al. 2016. | |||||||
| CCA | ACZA | ACQ | MCQ | CA | MCA | PTI | EL2 |
| 1.0% | 0.0% | 8.5% | 0.0% | 10.9% | 66.7% | 2.4% | 10.5% |
| Arsenical | Copper non-arsenical | Non-metal | |||||
| 100.0% | 0% | 9.9% | 0.0% | 12.6% | 77.5% | 18.4% | 81.6% |