Kalamazoo Issued Boil Water Advisory

The city ordered residents to boil tap water after an E. coli sample was identified in the system.

Updated on Sept. 19, 2026 in Utilities

Isometric editorial illustration showing a brass municipal water pipe valve inside a concrete utility trench, representing a city water emergency. — Kalamazoo officials have issued a city-wide boil water advisory for all residents after an E. coli sample was detected in the water system on Friday. AI Illustration. Upload story photo >

Live Poll

Do you trust the local government to maintain the safety of your community's water supply?

Kalamazoo officials have issued a boil water advisory for all customers in the Low and High pressure districts. The mandate follows the discovery of E. coli bacteria in a water sample collected on Friday.

Why it matters

The advisory acts as a precautionary measure to protect residents from potential waterborne illnesses caused by the presence of bacteria. City crews are currently working to determine the full extent of the contamination.

Residents must boil tap water for at least two minutes before consumption. City crews are currently testing additional samples to determine the scale of the contamination.

The players

City of Kalamazoo

The local municipal government is responsible for managing city infrastructure, including public water supply and safety protocols.

The details

The advisory covers both the Low and High pressure districts across the city, though bathing and showering require no special precautions. Officials have established multiple contact lines, including 311 and a dedicated water emergency number at (269) 337-8148, to assist residents.

Friday: E. coli bacteria was detected in a local water sample.
Saturday: The City of Kalamazoo officially issued the boil water advisory.
Tuesday, Sept. 22: City crews anticipate resolving the water issue.

Market Landscape

This advisory follows the mandatory public safety protocols established under the Safe Drinking Water Act regarding microbial contamination. The city must now perform extensive follow-up testing to restore compliance with established water quality benchmarks.

Residents within the Low and High pressure districts must boil all tap water for at least two minutes prior to drinking or cooking. Residents do not need to alter their bathing or showering routines during the advisory period.

The takeaway

Maintaining hygiene is critical during a boil water notice, and residents should avoid using tap water for brushing teeth or food preparation. Always rely on official municipal communications for updates on when the water system has been cleared for normal use.