Southeastern Minnesota Water Analysis Laboratory (SEMWAL)


Providing drinking water and surface water analysis to Southeastern Minnesota since 1983.

Pick up a test kit at Olmsted County Public Health Building

Lab Services and Fees

Testing Fees (353 KB)

Water Sampling Information

Before Sampling

Sampling Instructions (17 KB)

Sample Acceptance Policy (303 KB)

After Testing

What do your test results mean? (66 KB)

How to disinfect your well (608 KB)

Lab Certification

 picture of certificate


Phone: 507 328-7495