KUALA LUMPUR: More than 300,000 accounts in 273 locations in Petaling, Hulu Langat, Kuala Langat and Sepang are expected to experience water service disruption today after pollution was detected at Sungai Semenyih.

Syarikat Pengurusan Air Selangor Sdn Bhd (Air Selangor) said this is expected to affect a total 309,605 water account holders.