PETALING JAYA - Higher water usage due to the dry weather in the peninsula resulted in some 83,000 Klang Valley households enduring low water pressure and supply distruptions over the weekend.
Syarikat Bekalan Air Selangor (Syabas) said it expected the number of affected households to rise as the the state's water treatment plants could not cope anymore.
"It's difficult to meet the usual demand, what more during the dry season," said Syabas corporate communications and public affairs assistant general manager Priscilla Alfred.
She said water usage habits - including bathing and plant-watering - changed during the dry weather with many using water constantly.
"If this carries on, we expect more users to experience water disruptions," Alfred said.
Contingency measures to supply people with water was limited as Syabas only had enough water tankers and static tanks to meet the needs of 57,700 households at one time, she added.
The 83,000 households come from 65 areas within Kuala Langat, Hulu Langat, Kuala Lumpur and Hulu Petaling.
Some 27,000 households in Kuala Langat and Hulu Langat are already facing water disruptions due to ammonia pollution in the Langat river.
Recent rain in Selangor, Alfred added, did not help as most of it did not occur within catchment areas served by dams or water intake points.
Puncak Niaga said recent sporadic rainfall here had not raised the level in its three dams.
Malaysian Water Association (MWA) president Syed Mohamad Alhabshi said Syabas would have to "tweak" Selangor's water distribution system if consumers did not reduce usage.
He said the firm might need to reduce water pressure in certain areas, so that the balance could be redistributed to other areas.
The Association of Water and Energy Research Malaysia president S. Piarapakaran however said it was normal for more water to be used during dry periods.
He urged the National Water Services Commission to audit the figures behind Syabas' claim of more water being used.