- 2021 Annual Wastewater Discharge Report
- 2020 Annual Wastewater Discharge Report
- 2019 Annual Wastewater Discharge Report
- 2018 Annual Wastewater Discharge Report
- 2017 Annual Wastewater Discharge Report
- 2016 Annual Wastewater Discharge Report
- 2015 Annual Wastewater Discharge Report
- 2014 Annual Wastewater Discharge Report
- 2013 Annual Wastewater Discharge Report
- 2012 Annual Wastewater Discharge Report
- 2011 Annual Wastewater Discharge Report