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Bay County Department of Water and Sewer (Official Site)

Michigan, Bay County Water and Sewer

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Bay County Department of Water and Sewer (Official Site)

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Address 3933 Patterson Rd.

(989)684-3883

Bay City, MI 48706

Lobby Hours Monday—Friday: 9:00AM- 3:30PM Closed 12:30PM - 1:00PM

Office Hours Monday—Friday: 7:30AM- 4:00PM Closed 12:30PM - 1:00PM

Closed Saturday & Sunday

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Pay by Phone:

(888)217-8347

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2026 Holiday Schedule – Closed

Thursday January 1, 2026
Monday February 16, 2026
Friday April 3, 2026
Monday May 25, 2026
Friday July 3, 2026
Monday September 7, 2026
Thursday November 26, 2026
Friday November 27, 2026
Thursday December 24, 2026
Friday December 25, 2026
Thursday December 31, 2026
Friday January 1, 2027

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