| 取样时间 | 菌落数 | |||
| 总出水口1 | 总出水口2 | 总回水口1 | 总回水口2 | |
| 2019-01-14 | 0 | 1 | 0 | 0 |
| 2019-01-17 | 0 | 0 | 0 | 0 |
| 2019-01-21 | 0 | 0 | 0 | 0 |
| 2019-01-24 | 0 | 0 | 0 | 4 |
| 2019-01-28 | 0 | 0 | 0 | 0 |
| 2019-02-12 | 0 | 0 | 0 | 0 |
| 2019-02-18 | 0 | 1 | 0 | 0 |
| 2019-02-21 | 0 | 0 | 0 | 0 |
| 2019-02-25 | 0 | 0 | 0 | 0 |
| 2019-02-28 | 0 | 0 | 0 | 0 |