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The Nelson Mandela Bay Metro has responded to multiple queries from residents in parts of the city experiencing an "earthy" odour in their drinking water.
Residents in Newton Park and surrounding areas and Kabega Park in the Western Suburbs have noticed the odour in their water.
NMB spokesperson Sithembise Soyaya says it is due to the composition of the water as an algal bloom was identified in one of the supply dams west of the city.
He says the Infrastructure and Engineering Directorate is actively addressing the issue.
Soyaya says the earthy odour residents experience is caused by a naturally occurring organic compound called Geosmin, which results from the breakdown of algae.
He says that although the water's taste and odour can be unpleasant, it is important to reassure residents that Geosmin poses no health risks and that they can use the water as normal.
The Metro says they are monitoring the situation.
Should residents continue to experience the odour in their drinking water, they are advised to contact the municipal customer care centre at 0800 205 050.
