You can count on us for high quality, well-documented, scientifically sound results.

Prein&Newhof is one of the few laboratories in Michigan specializing in the analysis of drinking water samples. P&N’s laboratory is Drinking Water Certified by the Michigan Department of Environmental Quality for microbiology, organic chemistry, inorganic chemistry, and metals, including lead and copper.

Environmental Laboratory Services Book

We test water and/or soils for:

  • Lead and Copper
  • Organics
  • Other Metals
  • Inorganics
  • Microbiology
  • NPDES/IPP Compliance Monitoring

Worried about your water?
We can help.

Since 1974, Prein&Newhof’s environmental laboratory has been doing water testing for drinking water, well water, wastewater, groundwater, leachate, and surface water, including nearly 18,000 lead tests each year.

Prein&Newhof Environmental Laboratory
3260 Evergreen Drive NE
Grand Rapids, MI 49525

Steve Bylsma, Lab Manager
(616) 364–7600



Accurate test results begins with proper sampling techniques. Not only do we perform laboratory testing, but we’ll collect your samples at your site beforehand. We tailor our services to meet your needs.

Call us to set up sampling services or order a self-sampling kit: (616) 364–7600.

Download Chain of Custody Form here.

Lead Sample Instructions


PFAS Testing for Drinking Water


  • $350 per sample
  • 10-day turn-around for results

Convenience Fees:

  • Sampling services following MDEQ PFAS Sampling Guidance, including field blank charge
  • Expedited turn-around time for results

Follows EPA 537 rev 1.1 Methodology for Drinking Water

Are you ready to test your water source for PFAS?

Contact us today at (616) 364–7600 or email our Lab Manager Steve Bylsma.

Do you still have questions regarding PFAS? We’ve got answers on our Clean Water page!


Waiting on test results can hold up your project and delay your response time.  After testing, we’ll send
your results in the format you want and make sure you understand them. We will help you understand
and meet environmental regulations.

Our average turnaround time is five business days, but high-priority jobs can be done sooner if arranged.

For more information, contact us at: (616) 364–7600.

Interpretation of Drinking Water Results

How to read your Lab Report

Laboratory Acronyms Guide



Do you need help with environmental remediation? We do that, too.