Dissolved Oxygen
Location 2017 2018 2019 2020 2021 2022 2023 2024
1a 5
1b 4.6
1c 6.8
1d 5.8
2a 5
2b 5.8
2c 4
2d 6
3a 4.6
3b 5.6
3c 4
3d 7
4a 4.6
4b 5.6
4c 5.6
4d 25