Halifax Water will be diverting millions of cubic metres of wastewater into Halifax harbour and the Bedford Basin in the coming week due to maintenance at treatment facilities.

The utility said it needs to replace UV lighting equipment at its facilities in Halifax and Dartmouth, which will cause them to be shut down for different periods of time.

"Unfortunately, the way the system is set up, we cannot divert wastewater to other locations," said Brittany Smith, senior communications adviser for Ha…