County health department lab

Suffolk County Public and Environmental Health Laboratory

Hauppauge, NY · Suffolk County

Homeowner samplesYou can collect and drop off your own sample
Mail-in kitsNot listed, call to confirm
Walk-in drop offNot listed, call to confirm

Certification and services

State certified
Certification number
10528
Certified by
New York drinking water program
Certified for
Microbiological, Inorganic chemistry, Metals, Volatile organics, Pesticides and socs, Pfas, Radiological, 1, 4-dioxane
Lab type
County Health
Last verified
September 29, 2026

Listed on the official state certified laboratory list.

Tests this lab is certified for

Arsenic
Coliform Bacteria
Iron and Manganese
Lead
Nitrate / Nitrite
Pesticides
PFAS
Radon in Water
Uranium
Volatile Organic Compounds

Accredited by the NYS Department of Health Environmental Laboratory Approval Program (ELAP lab ID 10528) for potable water analyses: Microbiological, Inorganic chemistry, Metals, Volatile organics, Pesticides and SOCs, PFAS, Radiological, 1,4-Dioxane. Accreditation scope current through 2027-03-31. County health department laboratory; sells bacteria and nitrate tests to residents.

How to submit a sample

  1. 1
    Call or check the website for the right bottles

    Bacteria samples need a sterile bottle from the lab. Chemistry samples usually take a clean container the lab supplies.

  2. 2
    Collect from a cold tap before treatment

    Skip softeners and filters. Remove the aerator, run the water 3 to 5 minutes, then fill without touching the inside of the cap.

  3. 3
    Keep it cold and deliver within 24 hours

    Bacteria samples are time-sensitive. Use a cooler with ice packs and hand it in or ship it the same day.

  4. 4
    Read the report against the standards

    Compare results with EPA drinking water limits. If anything is over, our problem pages explain what it means and how to treat it.

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