City of Flint January 14, 2022 update: secondary water pipeline

FLINT, MI — The Department of Public Works began facilitating 95/5 water increment combining/blending to the Genesee County Drain Commission (GCDC) secondary water pipeline on Monday, August 23, 2021. The process of combining the primary and secondary water sources was required to complete necessary repairs to the city’s primary water pipeline.

Due to the City’s amended timeline for Phase V, the incremental water combining/blending to 100%  for the secondary GCDC secondary water pipeline will be delayed at least one week (end of January 2022).


  • Phase V, incremental water combining/blending to 100%  to GCDC secondary water pipeline will begin on Tuesday, January 18, 2022.

  • Construction work on Control Station #2 is scheduled to begin the week of January 24, 2022. Construction is tentatively scheduled to take about a month and during this time, the city will be 100% on the GCDC water supply.

  • Construction work on Control Station #2 includes: valve replacement work as well as automating and modernizing primary water pipeline system equipment.

  • Once the valve repair work is completed on Control Station #2, Flint’s water will once again flow from the primary water pipeline connection to the GLWA at 95%, and 5% to the secondary water pipeline connection to the GCDC. This 95/5 blend will help ensure the water, pipes, valves and other hardware in the secondary pipeline are fresh and ready for use in an emergency.

All protocols are in adherence with the State of Michigan Safe Drinking Water Act, and the city’s agreement with its primary water supplier, GLWA, will continue to be followed.

Important reminders for residents:

  • Visit for the latest updates on Flint’s water infrastructure projects.

  • Water monitoring will continue as all major infrastructure projects are completed. Monitoring results are available on the EGLE’s website at

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

  • For non-emergency questions or concerns, email This email is monitored by DPW department staff.

  • Mayor Neeley will continue to provide weekly community updates on WFLT 1420 AM and via Facebook on Saturdays.

The city of Flint will continue to provide residents with updates on water infrastructure projects as information becomes available.

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