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Mayor's Office

City of Flint conducts flushing and testing to prepare for re-connection to GLWA water supply

FLINT, Mich.— October 5, 2022

The Great Lakes Water Authority (GLWA) 120-inch water transmission main has returned to service. This past Friday, September 30, the City of Flint Department of Public Works began the process of flushing and testing to prepare for the transition back to the city’s normal blend of 95% GLWA and 5% Genesee County Drain Commission (GCDC).

This process includes flushing stale water from the city’s 12.6-mile-long transmission main and testing the water quality as fresh water begins to flow through the main.

No GLWA water will be distributed into the Flint system until testing shows it meets regulatory standards. This testing process is ongoing and will take several more days to complete.

The City of Flint will give 24 hours’ notice of the imminent transition back to a 95% GLWA and 5% GCDC blend.

Important reminders for residents

● Water monitoring results are available on the Michigan Department of Environment, Great Lakes, and Energy (EGLE) website.

● For water emergencies or issues with water service, call (810) 766-7202 (water) or (810) 766-7079 (sewer). These lines are monitored 24/7.

● For non-emergency questions or concerns, email [email protected]. This email is monitored by Department of Public Works staff.

For more information about the City of Flint’s upgraded water infrastructure, please watch this video.