1992 - 2022 Centre for Environment, Fisheries & Aquaculture Science (Cefas) England & Wales - E.coli measurements in shellfish flesh from monitoring data for England and Wales

Generally monthly collected Official Control shellfish samples collected from 400 or so sites across E&W by local authority sampling officers. Analysed for E. coli in shellfish flesh in Official Control labs and results reported to Cefas.

Decisions about the classification of harvesting areas is based on this data.

The E. coli data and summary statistics are viewable in list and graphical form for each representative monitoring point (RMP) on the Cefas website.