Based on contaminant patterns in this area — particularly Manganese and 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:
Orange County Public Health Laboratory 600 Shellmaker Road, Newport Beach 92660 · (949) 219-0423 Eurofins Built Environment Testing West -Tustin, CA 2841 Dow Avenue, Suite #300, Tustin 92780 · (523) 298-1015 Alliance Technical Group, LLC - Tustin 3002 Dow Avenue, Suite 532, Tustin 92780 · (714) 832-0064 SunStar Laboratories, Inc. 25712 Commercentre Drive, Lake Forest 92630 · (949) 297-5020 Onterris Laboratories, LLC 931 West Barkley Avenue, Orange 92868 · (714) 771-6900 Envirocheck, Inc. 2211 West Orangewood Avenue, Orange 92868 · (714) 937-0750 Food Microbiological Laboratories, Inc. 10653 Progress Way, Cypress 90630 · (714) 657-7527 AIH Laboratory, Inc. 2556 W. Woodland Drive, Anaheim 92801 · (562) 860-2201 Eurofins Tustin 2841 Dow Avenue, Tustin 92780 · (714) 895-5494 Onterris Laboratories, LLC - Anaheim 2532 E. Cerritos Avenue, Anaheim 92806 · (714) 771-6900 MBC Aquatic Sciences 3000 Red Hill Avenue, Costa Mesa 92626 · (714) 850-4830 LA Testing 5431 Industrial Drive, Huntington Beach 92649 · (714) 828-4999 Environmental Support Technologies 8 Goodyear, Irvine 92618 · (949) 679-9500 Sierra Analytical Labs, Inc. 26052 Merit Circle Suite 104, Laguna Hills 92653 · (949) 348-9389 Eurofins Microbiology 2841 Dow Avenue, Suite 400, Tustin 92780 · (714) 892-0208New 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.
$1,097 · Iron/manganese removal
View on Amazon →$4,305 · NSF/ANSI 42/44
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