Authorities have played down concerns about drinking water for residents in Brisbane's bayside, after asbestos material was found dumped near Leslie Harrison Dam.

Samples of the material were taken on Wednesday last week and were found to contain asbestos, after water management company Seqwater was alerted by Redland City Council. Seqwater has now put measures in place to contain the asbestos and prevent it from running into the nearby Tingalpa Reservoir. But Seqwater…