Water Testing - Request

Testing is available for coliform bacteria, Escherichia coli (E. coli) bacteria, nitrate, nitrite, sulfate, chloride, fluoride, lead, arsenic, calcium, magnesium, sodium potassium, and manganese.

Read the Sample Acceptance policy 

SEMWAL Sample Acceptance Policy. This policy explains what can prevent us from analyzing your samples or providing valid results.

Lab services and fees 

The total laboratory testing fee depends upon what tests you require.

Purchase test online 

Complete the online form.

Gather water samples 

After you receive your test kit, follow the instructions carefully about gathering your water samples.

Return with 28 hours 

  1. Place both bottles in the Ziploc bag.
  2. Return samples in the original envelope.
  3. Include the completed Water Test Request form.

Deliver to:

Southeastern Minnesota Water Analysis Laboratory

Olmsted County Public Health Department

2100 Campus Drive Southeast

Rochester, MN 55904

For UPS or USPS delivery follow the instructions found in the Water Sampling Instructions.

Read the Sample Acceptance policy 

SEMWAL Sample Acceptance Policy. This policy explains what can prevent us from analyzing your samples or providing valid results.

Lab services and fees 

The total laboratory testing fee depends upon what tests you require.

Pick up a test kit 

You can pick up a test kit at:

Olmsted County Public Health Building

2100 Campus Drive SE

Rochester, MN 55904

8 AM - 5 PM Monday - Friday

Gather water samples 

After you receive your test kit, follow the instructions carefully about gathering your water samples.

Return within 28 hours 

  1. Place both bottles in the Ziploc bag.
  2. Return samples in the original envelope.
  3. Include the completed Water Test Request form.

Deliver to:

Southeastern Minnesota Water Analysis Laboratory

Olmsted County Public Health Department

2100 Campus Drive Southeast

Rochester, MN 55904

For UPS or USPS delivery follow the instructions found in the Water Sampling Instructions.

Want to provide more feedback? Contact us at webmaster@co.olmsted.mn.us.

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