231-275-7382

6461 Sunset Dr., Lake Ann, MI 49650

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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