# Water supply maintenance disruptions

> Live situation record from CLSTR: https://clstr.news/situations/water-supply-maintenance-disruptions
> Updated: 2026-07-31T22:55:28.000Z. Sources: 24. Developments: 2.

Late July 2026 saw a wave of scheduled water‑service interruptions across Brazil and Portugal, with utilities in Rio Branco, Rio de Janeiro, Brusque, Juiz de Fora and several Portuguese towns carrying out repairs, pipeline upgrades and reservoir adjustments. Authorities warned residents to store water and expected temporary colour or taste changes.

In the following days the focus shifted to additional Brazilian cities. Manaus’ Ponta do Ismael production complex was slated for preventive maintenance on 5 August, shutting both treatment stations for twelve hours and prompting tanker deliveries to hospitals and schools. Porto Alegre’s Department of Water and Sewage scheduled three separate actions between 3 and 5 August, including valve and fuse replacements that could affect the Glória neighbourhood, the Sarandi district and several communities around the Jardim Ipê pumping station, with gradual nightly restoration and possible water‑quality variations.

Meanwhile, municipal crews in Caxias do Sul continued drainage‑gallery work to avoid traffic disruption when schools reopened, and Brusque performed underground pipeline reinforcement on three streets ahead of expected heavy rains. In the Região dos Lagos, the Juturnaíba treatment plant was serviced, potentially reducing supply to several coastal towns; residents were advised to keep inlet valves open, conserve water and expect tankers for essential services, with full restoration taking up to 48 hours.

These updates illustrate an ongoing, coordinated effort by Brazilian water utilities to conduct preventive maintenance and infrastructure upgrades, consistently providing advance notice and mitigation measures to limit impact on households and critical services.

## Timeline

### 2026-07-31: Brazilian cities schedule water supply interruptions for maintenance

Manaus, Porto Alegre, Caxias do Sul, Brusque and Juturnaíba face scheduled water supply interruptions in early August for maintenance, affecting thousands of residents and prompting tanker support for essential

12 sources. https://clstr.news/cluster/water-supply-maintenance-disrupts-service-in-manaus-and-porto-alegre

### 2026-07-28: Water supply interruptions and maintenance affect thousands across Brazil and Portugal

Water supply disruptions due to repairs, reservoir cleaning, and system upgrades affect thousands in Brazil and Portugal, with temporary cuts and gradual restorations underway.

14 sources. https://clstr.news/cluster/planned-water-supply-interruptions-affect-penedo-and-juiz-de-fora-in-brazil

---
Cite as: Water supply maintenance disruptions. CLSTR, https://clstr.news/situations/water-supply-maintenance-disruptions