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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 at 2100 Campus Drive SE, Rochester, MN 55904.

Lab Services and Fees

Note that the most up-to-date fees can be found in the document below.

Discounted Water Testing Packages

Recommended Annual Test/Conventional Real Estate
Bacteria, Nitrate, Nitrite, Chloride, Sulfate, Fluoride

$51

VA/FHA Real Estate Test Lead, Bacteria, Nitrate, Nitrite, Chloride, Sulfate, Flouride

$79

Water Tests

Bacteria – Total Coliform & E. Coli

$25

Cations – Calcium, Magnesium, Sodium

$31

Anions – Nitrate, Nitrite, Chloride, Sulfate, Fluoride

$28

Lead: Sub-contracted to MVTL

$28

Arsenic: Sub-contracted to MVTL

$28

Manganese: Sub-contracted to MVTL

$28

Water Sample Collection by County Staff
By appointment, Olmsted County locations only. This fee is in addition to sample testing fees.

$85

 

Iron: Subcontracted to MVTL

$28

 

Hardness Test

$31

 

 

Sample Acceptance Requirements

  • Sample must arrive at the lab within 28 hours of being collected
  • Sample must arrive Monday – Wednesday 8 a.m. – 4:30 p.m. or Thursday by 12 p.m. Be aware lab hours may change during major holidays.
  • Sample must arrive in bottles supplied by the lab
  • The sample bottle must be labeled with name, sampling date and time
  • The water test request form must be completed and arrive with the sample
  • The sample should arrive on an ice pack

Water Sampling Information

Before sampling

  • Water Sampling Instructions
  • Sample Acceptance Policy

Lab Certification

  • Lab Certification
  • Scope Certification

Contact

Phone: 507 328-7495
Email: waterlab@co.olmsted.mn.us

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