Water, PFAS & Lead
Mail-in and at-home kits plus certified labs to test drinking and well water for PFAS, lead, bacteria, nitrate, hardness, and more.
Accredited lab means the sample is analyzed by an accredited or state-certified lab. DIY screen kits are quick at-home checks and are not lab-accredited. Monitors are continuous devices. Official locators point you to accreditation authorities.
Mail-in lab water test; the Advanced kit (≈116 analytes) is Wirecutter's top pick.
Certified-lab mail-in PFAS test covering 14-25 PFAS incl. PFOA, PFOS, GenX.
Budget mail-in PFAS test: 55 analytes to 1.0 ppt using validated EPA methods, ~$79.
Established mail-in lab kit covering bacteria, heavy metals, inorganics, VOCs, and THMs.
DIY strips plus EPA-certified lab mail-in kits; the only water line with the Good Housekeeping Seal.
Inexpensive DIY kit screening lead, bacteria, pesticides, nitrates, chlorine, pH, hardness.
Made-in-USA all-in-one DIY kit with ~10 tests incl. lead and bacteria.