Based on contaminant patterns in this area — particularly Radon and Manganese — 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:
San Diego County Public Health Laboratory 5540 Overland Avenue, San Diego 92123 · (619) 203-2009 Eurofins Built Environment Testing West-San Diego, CA 9445 Farnham St., Suite 103, San Diego 92123 · (714) 837-5866 Nautilus Environmental, Inc. 4340 Vandever Avenue, San Diego 92120 · (858) 587-7333 EMSL Analytical, Inc. 7725 Convoy Court, San Diego 92111 · (800) 220-3675 Metropolitan Solutions 2403 Hoover Avenue, National City 91950 · (619) 831-8100 WSP Microbiological & Molecular Services Laboratory 4905 Morena Blvd. Suite 1304, San Diego 92117 · (306) 880-4452 Applied Industrial Microbiology, Inc. 2321 South Melrose Drive, Vista 92081 · (760) 295-0430 WSP USA Inc. 4905 Morena Blvd., Suite 1304, San Diego 92117 · (858) 300-4350 Alpha Analytical Laboratories, Inc. - San Diego 980 Park Center, Suite C, Vista 92081 · (760) 536-3352 Analytical Environmental Lab, LLC 8222 Vickers Street, Suite 110, San Diego 92111 · (619) 871-8505 Environmental Laboratory Network, Inc. 3440 El Cajon Blvd., San Diego 92104 · (858) 266-1666 H2O Molecular 5752 Oberlin Drive, Suite 107, San Diego 92121 · (858) 203-8145 Well Water Testing California | Certified Laboratory ... → Professional Water Test Lab | Drinking Water Testing Service in CA → Water Testing for Private Wells - Sonoma County Emergency →New 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)
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