Water Quality Monitoring Results

For more about the TRWA’s water quality monitoring program see the water quality monitoring program page. Click on the links below to view PDFs with the actual data.

• 2023 Data
  • 2023 Nitrate, Total Phosphorus, and Enterococci Bacteria
  • 2023 Dissolved Oxygen, pH, Temperature and Total Suspended Solids (turbid samples)
• 2022 Data
  • 2022 Nitrate, Total Phosphorus, and Enterococci Bacteria
  • 2022 Dissolved Oxygen, pH, Temperature and Total Suspended Solids (turbid samples)
• 2021 Data
  • 2021 Nitrate, Total Phosphorus, and Enterococci Bacteria
  • 2021 Dissolved Oxygen, pH, Temperature and Total Suspended Solids (turbid samples)
• 2020 Sampling Program Suspended Due to Pandemic
• 2019 Data
  • 2019 Nitrate, Total Phosphorus, and Enterococci Bacteria
  • 2019 Dissolved Oxygen, Total Suspended Solids, pH, and Temperature
  • Overview of Monitoring Program – PowerPoint Summary for 2019
• 2018 Data
  • 2018 Nitrate, Total Phosphorus, and Fecal Coliform Bacteria
  • 2018 Dissolved Oxygen, Total Suspended Solids, pH, and Temperature
  • Overview of Monitoring Program – PowerPoint Summary for 2018
• Average 2016, 2017 and 2018 Monitoring Results for Nitrate and Phosphorus
  • Average 2016, 2017 and 2018 Nitrate and TP Data and Degree of Target Exceedance
• 2017 Data
  • 2017 Nitrate, Total Phosphorus, and Fecal Coliform Bacteria
  • 2017 Dissolved Oxygen, Total Suspended Solids, pH, and Temperature
  • Overview of Monitoring Program – PowerPoint Summary for 2017
• 2016 Data
  • 2016 Nitrate, Total Phosphorus, and Fecal Coliform Bacteria
  • 2016 Dissolved Oxygen, Total Suspended Solids, pH, and Temperature
  • Overview of Monitoring Program – PowerPoint Summary for 2016
• 2003 – 2019 Nitrate Results
  • Lower River and Tidal Estuary Locations TNT-01/02 and TMR-01
• Data from past years is available upon request.