The water shortages in Gauteng showed how officials needed to improve their performance, said ANC deputy secretary-general Jessie Duarte, according to a report.
Eyewitness News reported on Wednesday that Duarte said the water shortages were a concern for the African National Congress.
"Worries about the metro city are that we just need it to jack up its game," Duarte told the broadcaster.
"It's got to get over this thing of the billing system and the water problems and Johannesburg electricity."
With municipal managers and CEOs earning a lot of money, they were expected to do their jobs.
"I am certainly behind pushing the municipal managers and the chief executive officers (CEOS), who earn quite a lot of money, to do their jobs," she said.
The deputy secretary general said technicians needed to have access to CEOs when machinery failed to function, reported Eyewitness News.
On Tuesday, there were reports that some residents in the north and west of Johannesburg were still without water.
Rand Water urged affected residents to contact the utility's hotline.
By Monday night, water had been restored to all affected areas, spokesman Justice Mohale said.
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