West
| Date | pH | Chlorine |
| 29 May 2019 | 7.2 | 0.6 |
| 3 June 2019 | 7.1 | 0.6 |
| 6 June 2019 | 7.0 | 0.5 |
| 8 June 2019 | 7.1 | 0.6 |
| 10 June 2019 | 7.1 | 0.6 |
| 12 June 2019 | 7.0 | 0.6 |
| 14 June 2019 | 7.1 | 0.5 |
| 17 June 2019 | 7.0 | 0.6 |
| 22 June 2019 | 7.1 | 0.6 |
| 25 June 2019 | 7.1 | 0.6 |
| 27 June 2019 | 7.1 | 0.6 |
| 2 July 2019 | 7.1 | 0.6 |
| 4 July 2019 | 7.0 | 0.5 |
| 6 July 2019 | 7.1 | 0.5 |
| 8 July 2019 | 7.0 | 0.6 |
| 2 August 2019 | 7.0 | 0.5 |
| 3 August 2019 | 7.1 | 0.6 |
| 5 August 2019 | 7.0 | 0.5 |
| 6 August 2019 | 7.1 | 0.6 |
| 7 August 2019 | 7.0 | 0.6 |
| 8 August 2019 | 7.0 | 0.5 |
| 9 August 2019 | 7.1 | 0.5 |
| 10 August 2019 | 7.0 | 0.6 |
| 12 August 2019 | 7.1 | 0.6 |
| 13 August 2019 | 7.0 | 0.6 |
| 14 August 2019 | 7.1 | 0.6 |
| 15 August 2019 | 7.0 | 0.6 |
| 16 August 2019 | 7.1 | 0.6 |
| 17 August 2019 | 7.1 | 0.5 |
| 19 August 2019 | 7.0 | 0.6 |
| 20 August 2019 | 7.1 | 0.6 |
| 22 August 2019 | 7.0 | 0.6 |
| 23 August 2019 | 7.1 | 0.6 |
| 24 August 2019 | 7.0 | 0.6 |
| 26 August 2019 | 7.1 | 0.6 |
| 28 August 2019 | 7.0 | 0.5 |
| 29 August 2019 | 7.1 | 0.6 |
| 30 August 2019 | 7.1 | 0.6 |
| 31 August 2019 | 7.1 | 0.6 |
| 2 Sept 2019 | 7.0 | 0.5 |
East
| Date | pH | Chlorine |
| 29 May 2019 | 7.2 | 0.6 |
| 3 June 2019 | 7.2 | 0.6 |
| 6 June 2019 | 7.0 | 0.6 |
| 8 June 2019 | 7.0 | 0.6 |
| 10 June 2019 | 7.1 | 0.8 |
| 12 June 2019 | 7.0 | 0.6 |
| 14 June 2019 | 7.1 | 0.5 |
| 17 June 2019 | 7.0 | 0.6 |
| 22 June 2019 | 7.1 | 0.6 |
| 25 June 2019 | 7.0 | 0.6 |
| 27 June 2019 | 7.1 | 0.6 |
| 2 July 2019 | 7.0 | 0.6 |
| 4 July 2019 | 7.0 | 0.6 |
| 6 July 2019 | 7.1 | 0.6 |
| 8 July 2019 | 7.0 | 0.7 |
| 2 August 2019 | 7.1 | 0.6 |
| 3 August 2019 | 7.0 | 0.6 |
| 5 August 2019 | 7.0 | 0.5 |
| 6 August 2019 | 7.1 | 0.6 |
| 7 August 2019 | 7.0 | 0.6 |
| 8 August 2019 | 7.0 | 0.6 |
| 9 August 2019 | 7.1 | 0.5 |
| 10 August 2019 | 7.1 | 0.6 |
| 12 August 2019 | 7.0 | 0.5 |
| 13 August 2019 | 7.1 | 0.6 |
| 14 August 2019 | 7.0 | 0.5 |
| 15 August 2019 | 7.1 | 0.6 |
| 16 August 2019 | 7.0 | 0.6 |
| 17 August 2019 | 7.1 | 0.5 |
| 19 August 2019 | 7.1 | 0.6 |
| 20 August 2019 | 7.1 | 0.6 |
| 22 August 2019 | 7.1 | 0.6 |
| 23 August 2019 | 7.0 | 0.6 |
| 24 August 2019 | 7.1 | 0.6 |
| 26 August 2019 | 7.1 | 0.6 |
| 28 August 2019 | 7.1 | 0.5 |
| 29 August 2019 | 7.0 | 0.6 |
| 30 August 2019 | 7.0 | 0.5 |
| 31 August 2019 | 7.1 | 0.6 |
| 2 Sept 2019 | 7.1 | 0.6 |