Overview

• Starting Monday, the nightly reduction expands from eight to ten hours, shifting from 9 p.m.–5 a.m. to 7 p.m.–5 a.m., with no end date announced.
• Arsesp also directed daytime pressure management to curb distribution losses while maintaining overall supply.
• Officials say the first phase saved about 7.26 billion liters, roughly 4.2 m³/s, enough to supply more than 800,000 people for a month.
• A recent bulletin put the integrated metropolitan system at 32.8% of useful volume, with Cantareira at 30.3% and Alto Tietê at 26.1%, after a week averaging a 0.26% daily drop.
• Arsesp cautions that some users may experience nighttime outages with water returning by morning, and residents in outlying neighborhoods report frequent nighttime service gaps.