A boil water advisory has ended for nearly 10,000 people in Abbotsford, B.C., after E. coli bacteria was detected in a private provider's water system on Thursday.

The Clearbrook Waterworks District — which serves a two-square-kilometre area in west Abbotsford, according to its website — issued the boil water advisory on Friday after its water distribution system was breached at the reservoir.

It had asked its customers to only consume their water after it has been brought to a rolling boil for a…