Caltest Analytical Laboratory

1885 N Kelly Rd
Napa CA 94558
2 Reviews

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Opening Hours

  • Mon: 8am-5pm
  • Tue: 8am-5pm
  • Wed: 8am-5pm
  • Thu: 8am-5pm
  • Fri: 8am-5pm


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Caltest excels in analysis of water at low levels. We provide analysis of wastewater, surface water and groundwater by EPA methods optimized for low levels of reporting. Our 'Clean' sample handling means lower background and therefore lower reported values in your sample. Focused on water monitoring projects, Caltest has been consistently providing high quality customer focused, responsive service under the same ownership since 1982.Analyzing and supplying accurate data to our customers is our single minded focus. We offer over advanced analytical processes. Caltest is one of the few companies that have extensive experience meeting the minimum levels of the California Toxics Rule and State Implementation Plan. Caltest is your best choice in the current environment of mandatory fines in the event of non-conformity with NPDES compliance analyses.