| Storage at the end of the year | Effluent | Influent | Storage at the beginning of the year | Year |
| 3,258,000 | 12,451,500 | 12,575,500 | 308,400 | 2012 |
| 4,213,000 | 16,006,200 | 16,942,200 | 3,276,000 | 2013 |
| 7,534,000 | 14,042,100 | 16,900,100 | 4,274,000 | 2014 |