Is Tap Water Safe to Drink in Malawi?

Lilongwe's supply comes from the Lilongwe River via the Kamuzu Dams, managed by the Lilongwe Water Board, while Blantyre draws from the Shire River and Mudi Dam through the Blantyre Water Board. Lake Malawi, one of Africa's Great Lakes, supplies lakeside communities directly, and rural areas depend heavily on boreholes and unprotected wells.

Cyclones such as Freddy in 2023 severely damaged water infrastructure and triggered major cholera outbreaks, with contamination spreading through both piped and well water in flood-affected districts. Agricultural runoff and inadequate sewage treatment also introduce bacteria and nitrates into the Shire and Lilongwe Rivers.

Lilongwe and Blantyre have the most developed treated networks, but both cities experience frequent low-pressure periods and boil-water advisories after heavy rains. Rural areas around Lake Malawi and in the Shire Valley rely on boreholes that can run dry or become contaminated during flooding, worsening health risks in these communities.

Malawi's tap water is generally soft to moderately hard, ranging from 40–150 mg/L, with Lake Malawi-sourced water typically on the softer end..

Many Malawians boil water drawn from boreholes or rivers before drinking, particularly in rural areas without access to the municipal grid.

• •Drink only bottled water, widely sold as Chelsea or Aqua brands in supermarkets
• •Avoid tap water even in Lilongwe or Blantyre hotels unless boiled or filtered
• •Be extra cautious after cyclone season (December–March) when cholera risk spikes
• •Carry purification tablets when visiting Lake Malawi's rural shoreline villages

• •Boil water for at least one minute before drinking, especially after storms
• •Avoid swimming in or swallowing water from Lake Malawi near populated shorelines due to bilharzia risk