• See the tables above for data that are in process or have been completed, submitted to the Chesapeake Bay Program (CBP), and a request to the CBP data manager has been made for acceptance and entry of the datasets into the CBP water quality database. There may be a lag period of several days before data are reviewed and posted by CBP. 
  • Please note that due to hardware and software updates, legacy data processing programs are currently in review and revision and there will be a delay in the creation of final datasets for 2025
  • Continuous monitoring datasets have been completed for 2024. 
  • Dataflow was not conducted in 2024.
  • Tributary datasets have been completed for 2024.
  • Mainstem datasets have been completed for 2024
  • The 2024 water year (Oct 2023- September 2024) of Non-tidal Network baseflow and stormflow is complete.
  • Coastal Bays have been completed through 2024. 
  • Tidal laboratory results (tributary, continuous monitoring, main bay) from the CBL NASL lab have been received through September 2025. 
  • Chlorophyll data from the CBL NASL has been received through November 2025, and processed through November 2025.
  • Keypunched data has been received from MCE through March 2025. April - June 2025 data were sent in late 2025, but MCE is experiencing issues with their computer system and is delayed. July - November 2025 data is prepared and ready to send for type setting when their operations resume.