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Wisconsin State-Certified Water Testing Laboratory

At U.S. Water, we recognize the importance of working with a state-certified water testing laboratory for safeguarding your health and the well-being of your home or business.By choosing a state-certified water testing laboratory, you can have confidence in the accuracy and reliability of the results, ensuring that you receive valuable information about the safety and quality of your water supply.Here’s why partnering with Wisconsin’s only Wisconsin State-Certified Water Testing Lab is crucial.


In-House Testing

Unlike many water treatment centers that outsource their testing, U.S. Water conducts lab work and water testing in-house. This means your water samples are processed quickly and you receive certified results promptly.

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Rapid Turnaround

While other water treatment centers may take up to 48 hours to deliver test results, our basic water sample testing is completed on the same day or within 24 hours (excluding weekends and holidays). This ensures that you can take prompt action to address water concerns.

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Certified Expertise

U.S. Water is proud to hold state certifications from both the Wisconsin Department of Natural Resources (WDNR) and the Wisconsin Department of Agriculture, Trade and Consumer Protection (WDATCP). This signifies our commitment to upholding the highest standards of water quality testing and treatment.


CDC ELITE Certification

Our dedication to excellence goes even further. We maintain CDC ELITE certification for testing for dangerous waterborne pathogens such as Legionella. This certification underlines our capability to identify and mitigate threats to public health effectively.

We know Wisconsin water

Identifying potential water issues can be challenging. While some minerals or contaminants might manifest in visible changes or tastes, others remain undetectable without a test.

Visit our “What’s Wrong with My Water” page to spot potential indicators.

As a central Wisconsin company, we know Wisconsin water. Locally-owned and operated, we are deeply invested in the well-being of our community. Our state-certified water testing services reflect our dedication to ensuring safe, clean water for all.

For comprehensive guidance, start with ourFREE BASIC WATER ANALYSISand consult with our knowledgeable water technicians.

How OftenShould I Test?

Free Basic Water Test

Complete List of Tests

Water TestingLab Forms

Why State-Certified Water Testing Matters

Working with a state-certified water testing laboratory is important for several reasons when it comes to testing the quality of your water:

Accurate and Reliable Results:

State-certified laboratories follow standardized testing methods and protocols set by regulatory agencies. This ensures that the results obtained are accurate and reliable.

Compliance with Regulations:

State-certified laboratories adhere to state and federal regulations regarding water testing. This helps ensure that your testing meets regulatory requirements, providing you with information relevant to potential health risks.

Validated Testing Methods:

Certified laboratories use validated testing methods that have undergone rigorous evaluation and validation. This ensures that the methods employed are scientifically sound and produce precise and consistent results.

Expertise and Professionalism:

Our trained and experienced professionals understand the intricacies of water testing. Their expertise helps in interpreting results accurately and providing relevant information about potential water quality issues.

Legal Considerations:

In some cases, if you need water testing for regulatory compliance or legal purposes, results from a state-certified lab may be required. Using a certified lab helps ensure that your testing meets any legal requirements and can be used as valid evidence if needed.