The cryptosporidiosis incident began in December 1989 and continued for several weeks into 1990. Almost 500 people were affected (ENDS Report 182, pp 7-8).
The outcome of the DWI's two-year investigation into the outbreak was announced in a parliamentary answer by Environment Secretary Michael Howard on 16 July.
The DWI's investigation was based on a report by the Outbreak Control Group, published in March 1991. The DWI subsequently