| File Name | Details |
|---|---|
| 2024 Walled Lake Water Quality Report | Download |
| 2024 Walled Lake Treatment | Download |
| 2023 Walled Lake Water Quality Report | Download |
| 2023 Walled Lake Treatment | Download |
| 2022 Walled Lake Water Quality Report | Download |
| 2022 Walled Lake Treatment | Download |
| 2021 Walled Lake Water Quality Report | Download |
| 2021 Walled Lake Treatment | Download |
| 2020 Walled Lake Water Quality Report | Download |
| 2020 Walled Lake Treatment | Download |
| 2019 Walled Lake Water Quality Report | Download |
| 2019 Walled Lake Treatment | Download |
| 2015-2019 Treatment Review & 2020-2025 Treatment Recommendations | Download |
| 2018 Walled Lake Water Quality Report | Download |
| 2018 BioBase Survey Report | Download |
| 2017 Walled Lake Water Quality Report | Download |
| 2017 Walled Lake Treatment Maps | Download |
| 2016 Walled Lake Water Quality Report | Download |
| 2014 Walled Lake Water Quality Report | Download |
| 2011-2014 Walled Lake Treatment Review and 2015-2020 Treatment Recommendations | Download |