Underwriters Laboratories Inc.

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Drinking Water Analytical Services

SDWA Compliance Testing

Understanding and interpreting your monitoring requirements is our business. Our in-depth knowledge of existing and upcoming drinking water regulations allows us to serve as a resource as you develop and implement your monitoring schedules. Customers and regulators have the confidence that data generated by UL meets all applicable requirements.

At our state-of-the-art, 70,000-square-foot facility, we perform virtually all analyses required under the Safe Drinking Water Act (SDWA), including:

  • Dioxin
  • Disinfection byproducts
  • Inorganic constituents
  • Metals
  • Microbiological parameters
  • Organic constituents
  • Radiological parameters

For more information on recently promulgated drinking water regulations, please use the following resources:

EPA Sites

For a list of drinking water contaminants and maximum contaminant levels, visit www.epa.gov/safewater/mcl.html.

For a list of current and proposed drinking water rules and guidance documents, visit www.epa.gov/safewater/regs.html.

For additional information on drinking water standards, visit www.epa.gov/safewater/standards.html.

Contact Us

For more information on UL's drinking water analytical services you may email us or call +1-800-332-4345. You may also wish to visit our FAQs.