All the beaches in Windsor-Essex are open this Canada Day but swimming is not recommended at half of them.

E. coli levels are between 100 and 1,000 parts per 100 millilitres of water at five of 10 local beaches.

Swimming is not recommended at Sandpoint Beach in Windsor, Colchester Beach in Essex., Lakeside Beach in

Kingsville, Hillman Beach in Leamington and West Belle River Beach in Lakeshore.

The latest water samples were taken on Wednesday and the recommendation remains in effect until Friday.

Water samples are taken every Wednesday. Beach water sample results take up to two days to process.

The samples are sent to a public health lab in London, Ontario. Testing is done Thursday and the results are given to the Health Unit by Friday.