Based on contaminant patterns in this area — particularly Radon and Hexavalent Chromium — we recommend the following testing approach for private well owners.
Tap Score offers certified mail-in testing with results in 5–7 business days, tailored to regional contaminant patterns.
Order a Tap Score Well Water Test →State-certified labs in California:
Monterey County Consolidated Environmental Laboratory 1270 Natividad Road, Salinas 93906 · (831) 755-4516 Monterey Bay Analytical Services, Inc. 4 Justin Court, Suite D, Monterey 93940 · (831) 375-6227 Well Water Testing California | Certified Laboratory ... → Professional Water Test Lab | Drinking Water Testing Service in CA → Water Testing for Private Wells - Sonoma County Emergency → Well Water Testing – Why It's So Important → Drinking Water Testing Laboratory — Babcock Laboratories, Inc. → Drinking, Well Water Testing Analysis Lab | California Laboratory Services → Getting Your Water Tested → Water Quality Testing & Analysis: Residential & Commercial Supply Testing for Contaminants & Heavy Metals in San Diego, Orange County and Bay Area | Vert Environmental → Water Quality Testing Labs - Cal Water → Drinking Water & Well Water Testing - Environmental testing and analysis labs, ELAP, NADCAP accredited | Pat Chem Laboratories → BSK Associates 687 North Laverne Avenue, Fresno 93727 · (559) 497-2888 Moore Twining Associates, Inc. 2527 Fresno Street, Fresno 93721 · (559) 268-7021 SGS North America, Inc. 908 North Temperance Avenue, Clovis 93611 · (559) 862-2118New to well water testing? Read our complete guide to what to test for and when. Buying or selling a home with a well? See our well water & real estate guide for disclosure rules and lender requirements.
$500-$700 · Granular activated carbon (GAC)
View on Amazon →$1,395 · Whole-house carbon filtration
View Product →$2,195 · Aeration (EPA-preferred for high radon)
View Product →