Certified labs near Marshall, Minnesota
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Labs on Minnesota’s official list
- Southwest Health and Human Services, Marshall · ~2 miListed in Minnesota Department of Health’s certified lab list. See the official list → (checked 2026-10-16)
- Worthington Public Utilities Laboratory, Worthington · ~58 miListed in Minnesota Department of Health’s certified lab list. See the official list → (checked 2026-10-16)
- Minnesota Valley Testing Laboratories, Inc., New Ulm · ~66 miListed in Minnesota Department of Health’s certified lab list. See the official list → (checked 2026-10-16)
- Steven M. Traut Wells, Inc., Alexandria · ~100 miListed in Minnesota Department of Health’s certified lab list. See the official list → (checked 2026-10-16)
- Traut Water Analysis Lab, St. Joseph · ~105 miListed in Minnesota Department of Health’s certified lab list. See the official list → (checked 2026-10-16)
- UC Laboratory, Janesville · ~106 miListed in Minnesota Department of Health’s certified lab list. See the official list → (checked 2026-10-16)
- Engel Water Testing, Inc., Minnetrista · ~110 miListed in Minnesota Department of Health’s certified lab list. See the official list → (checked 2026-10-16)
- Twin City Water Clinic, Inc., Hopkins · ~121 miListed in Minnesota Department of Health’s certified lab list. See the official list → (checked 2026-10-16)
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Official lab list for Minnesota
Minnesota Department of Health – testing your wellMinnesota's health department covers which tests well owners should run and how to find an accredited lab that accepts household samples.www.health.state.mn.us · checked 2026-10-18Minnesota Department of HealthThis state agency certifies the labs that may test drinking water. Use its list to pick a certified lab for your well sample.eldo.web.health.state.mn.us · checked 2026-10-18 · link via EPA
Recommended tests
- Every year: bacteria (total coliform and E. coli), nitrate, pH and total dissolved solids — CDC
Many labs accept mailed samples, so a lab a few hours away may still work for you.