Based on contaminant patterns in this area — particularly Radon — 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:
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 → Eurofins Built Environment Testing West - Sacramento, CA 180 Blue Ravine Rd., Folsom 95630 · (415) 377-0751 California Laboratory Services 3249 Fitzgerald Road, Rancho Cordova 95742 · (916) 638-7301 Sparger Technology, Inc. 3738 Bradview Drive, Sacramento 95827 · (916) 369-7688 Continental Water Laboratory 8631 Younger Creek Drive, Sacramento 95828 · (916) 379-2323 Ceres Analytical Laboratory, Inc. 4919 Windplay Drive, Suite 1, El Dorado Hills 95762 · (916) 932-5011New 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 →