Water Testing You Can Trust

Certified water testing in Wisconsin for homes, wells, and businesses. Fast, accurate results with clear reporting you can actually understand.

Professional Water Analysis

Cost Effective Drinking Water Testing for Wisconsin

Water Diagnostics focuses on the testing and analysis of drinking water for Wisconsin homes, businesses, public water systems, private well owners, pump installers, and anyone concerned about the quality of their drinking water.

Drinking Water Testing

Focused water testing and analysis for customers who want accurate, reliable, and understandable results about their drinking water.

Private Wells & Pump Installers

Testing support for private well owners, well drillers, and pump installers, including required testing needs and reporting support.

Homes, Businesses & Public Systems

Professional water analysis for homeowners, businesses, public water systems, and customers who need dependable answers about water quality.

Why Choose Water Diagnostics

Not Just Results, But Answers

Water Diagnostics provides reliable, convenient, and prompt service with clear reporting and individual attention. Customers receive more than test results — they receive answers they can understand.

Fast Turnaround Times

Prompt testing services designed to help customers get the information they need quickly.

Accurate & Reliable Analysis

Professional water analysis supported by reliable methods and a focus on drinking water quality.

Understandable Results

Clear explanations help customers understand what their water test results mean.

Affordable Prices

Cost effective professional water analysis for Wisconsin homes, businesses, and public systems.

Individual Attention

Service focused on the individual needs of each customer and each water testing situation.

Local Wisconsin Presence

A local Wisconsin laboratory presence serving customers throughout the state.

Certified Water Testing Laboratory

Wisconsin Certified. EPA Certified. Trusted for Drinking Water Analysis.

Water Diagnostics is a certified water testing laboratory serving Wisconsin homes, businesses, private well owners, pump installers, and public water systems.

Wisconsin DATCP Certified

Certified with the Wisconsin Department of Agriculture, Trade and Consumer Protection.

Certification Number: 274361-D3
Laboratory Number: 105-461

EPA Certified Laboratory

Certified by the United States Environmental Protection Agency for drinking water testing.

EPA Laboratory ID: WI01119

DNR Reporting Support

Water Diagnostics can electronically submit water test results directly to the Wisconsin DNR when required for qualifying samples.

Serving Wisconsin

Local Water Testing for Ozaukee County and Wisconsin

Water Diagnostics believes the best water testing comes from a local, trusted business with the attention to service that only a neighbor can give. The laboratory serves all of Wisconsin, with a primary focus on Ozaukee County and nearby communities.

Primary Service Area

Water Diagnostics is located in Mequon, Wisconsin and primarily serves Ozaukee County and surrounding Wisconsin communities.

Communities Served

  • Mequon, Thiensville, Cedarburg, and Grafton
  • Port Washington, Saukville, Bayside, and Belgium
  • Fredonia, Newburg, and surrounding Wisconsin areas

Ready to Test Your Water?

Get Clear Answers About Your Drinking Water

If you bought a home, are selling a home, had a well drilled, had a pump installed, or have concerns about the quality of your drinking water, Water Diagnostics can help you decide which tests are best suited for your needs.

Call: (414) 350-1100
Email: waterdiagnostics@gmail.com
Location: 8605 W. Freistadt Road, Mequon, WI 53097

Contact Water Diagnostics