• 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 needed major programmatic updates which have largely been completed, allowing for data processing to resume in April 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. We are awaiting 'QAQC' datasets from CBL NASL to begin 2025 data processing.
  • The 2025 water year (Oct 2024- September 2025) of Non-tidal Network baseflow and stormflow is near-complete. July-Sept. 2025 datasets are in final review and all other datasets are complete and submitted to CBP
  • Coastal Bays have been completed through 2024. 
  • Tidal laboratory results (tributary, continuous monitoring, main bay) from the CBL NASL lab have been received through February 2026. 
  • Chlorophyll data from the CBL NASL has been received through January 2026, and processed through January 2026.
  • Keypunched data has been received from MCE through December 2025.