Your partner in compliance

Keystone Laboratories is a full partner with our drinking water clients, ensuring your compliance with the Safe Drinking Water Act (SDWA). Our expert project managers handle every aspect of your testing program. We manage your drinking water permit, design sampling protocols to meet your requirements, and provide sample containers with preprinted labels as needed.

Once your samples are analyzed, we report your data directly to the appropriate regulatory agencies, keeping you informed at every step of the process. If your drinking water samples exceed accepted levels, Keystone’s experienced staff stays by your side. We work with you through follow-up sampling and resolution of the issues.

Typical drinking water analyses

We typically provide the following analyses on a weekly, monthly or quarterly basis to ensure compliance:

  • Total Coliform
  • E. Coli
  • Nitrate/Nitrite
  • Fluoride
  • SOCs
  • VOCs
  • DOCs

Other analyses

Keystone also offers the following analyses for drinking water:

  • TTM (Total TriHaloMethane)
  • HAA5 (HaloAcetic Acids)
  • TOC (Total Organic Content)
  • Chlorate
  • Chlorite
  • Bromate
  • Lead and Copper
  • SDWA Water Quality Parameters:
    • Alkalinity
    • Calcium
    • Conductivity
    • Ph
    • OrthoPhosphates


Keystone is certified by the Iowa Department of Natural Resources, the National Environmental Laboratory Accreditation Conference (NELAC) and the Kansas Department of Environment and Health.

Value-added services

Keystone’s drinking water clients enjoy a variety of value-added services, including:

  • Expert management of your drinking water permit
  • Regularly scheduled deliveries of the coolers, sampling containers you need, with preprinted labels and chains of custody
  • Courier service
  • On-time results reported to
    the appropriate authorities