231-275-7382

6461 Sunset Dr., Lake Ann, MI 49650

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About Great Lakes Water Quality Lab

Great Lakes Water Quality Laboratory, Inc. is committed to performing quality water tests in an efficient and profitable manner, maintaining a professional reputation through courteous service and consistent performance.

EGLE State Certification #0091

PO Box 131
6461 Sunset Dr.
Lake Ann, MI 49650

Phone: 231-275-7382

office@greatlakeswaterlab.net

Mon - Fri 8:00 am - 5:00 pm
Saturday 9:00 am - 2:00 pm
Drop Box is accessible 24/7 to drop off samples and pick up sampling containers.

Holiday Hours:
January 1st – Closed
May 30th – Closed
July 1st-5th – Closed
September: 2nd-6th – Closed
November: 23rd-28th – Closed
December: 23rd-27th – Closed

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