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When it comes to your drinking water, some people do not want to leave anything on the table. The Ultimate Water Test is our most comprehensive screening available, covering 249 substances including bacteria, fungi, heavy metals, lead, arsenic, radon, volatile organic compounds, semi-volatile organic compounds, herbicides, and pesticides.
This is the test we recommend for well owners who want absolute peace of mind, homebuyers conducting thorough due diligence before closing, households near agricultural land, industrial sites, landfills, or wetlands, and anyone who has experienced unexplained illness, unusual odors, or changes in their water quality.
For those who want the most complete picture possible, consider pairing this test with our PFAS “Forever Chemical” Drinking Water Test to screen for an additional 18 forever chemicals not included in this panel.
See what this test covers and how it works in the sections below.

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Ships free to your door

Takes under 5 minutes

Free return shipping

Expert Consultation

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Total Coliform, Fecal E. coli and Total Bacteria Count
Aluminum, Antimony, Arsenic, Barium, Beryllium, Boron, Cadmium, Calcium, Cerium, Chromium (Total), Cobalt, Copper, Iron, Lead, Lithium, Magnesium, Manganese, Mercury, Molybdenum, Nickel, Phosphorous, Potassium, Selenium, Silver, Sodium, Strontium, Thallium, Tin, Titanium, Uranium, Vanadium and Zinc
Chloride, Chlorine, Fluoride, Nitrate (as N), Nitrite and Sulfate
Alkalinity (as CaCO3), Ammonia, Color, Conductivity, Hardness, Odor, pH, Sediment, Silica, Tannins, Total Dissolved Solids and Turbidity
Radon
Total Coliform, Fecal E. coli and Total Bacteria Count
Aluminum, Antimony, Arsenic, Barium, Beryllium, Boron, Cadmium, Calcium, Cerium, Chromium (Total), Cobalt, Copper, Iron, Lead, Lithium, Magnesium, Manganese, Mercury, Molybdenum, Nickel, Phosphorous, Potassium, Selenium, Silver, Sodium, Strontium, Thallium, Tin, Titanium, Uranium, Vanadium and Zinc
Chloride, Chlorine, Fluoride, Nitrate (as N), Nitrite and Sulfate
Alkalinity (as CaCO3), Ammonia, Color, Conductivity, Hardness, Odor, pH, Sediment, Silica, Tannins, Total Dissolved Solids and Turbidity
Radon
Benzene, Bromobenzene, Bromochloromethane, Bromodichloromethane, Bromoform, Dibromochloromethane, Chloroethane, Chloroform, Chloromethane, 1,2-Chlorotoluene, 1,4-Chlorotoluene, 1,2-Dibromo-3-chloropropane, Dibromomethane, 1,2-Dibromoethane, 1,3-Dichlorobenzene, 1,2-Dichlorobenzene, 1,4-Dichlorobenzene, Dichlorodifluoromethane, 1,1-Dichloroethane, 1,2-Dichloroethane, 1,1-Dichloroethylene, cis-1,2-Dichloroethene, trans-1,2-Dichloroethene, 1,2-Dichloropropane, 1,3-Dichloropropane, 2,2-Dichloropropane, 1,1-Dichloropropene, 1,3-Dichloropropene, trans-1,3-Dichloropropene, Ethylbenzene, Trichlorofluoromethane, Hexachlorobutadiene, Isopropyl benzene, p-Isopropyltoluene, Methyl-t-Butyl Ether (MTBE), Methylene Chloride, Monochlorobenzene, Naphthalene, n-Propylbenzene, Styrene, 1,1,1,2-Tetrachloroethane, 1,1,2,2-Tetrachloroethane, Tetrachloroethylene, Toluene, 1,2,3-Trichlorobenzene, 1,2,4-Trichlorobenzene, 1,1,1-Trichloroethane, 1,1,2-Trichloroethane, Trichloroethylene, 1,2,3-Trichloropropane, 1,2,4-Trimethylbenzene, 1,3,5-Trimethylbenzene, Vinyl Chloride, o-Xylene, m+p Xylenes
Acenaphthylene, Acenapthene, Alachlor, Aldrin., Ametryn, Anthracene, Atraton, Atrazine
Benz (A) Anthracene, Benzo (B) Fluoranthene, Benzo (K) Fluoranthene, Benzo (A) Pyrene, Benzo (G,H,I,) Perylene, Bromacil, Butachlor, Butylate, Butyl Benzyl Phthalate, Carboxin, Alpha Chlordane, Gamma Chlordane, Trans Nonachlor, Chlorneb, Chlorobenzilate, Chlorpropam, Chlorothalonil, Chloropyrifos, 2-Chlorobiphenyl, Chrysene, Cyanazine, Cycloate, DCPA, DDD, 4,4′-, DDE, 4,4′-, DDT, 4,4′-, Diazinon, Dibenz (A,H) Anthracene, Di-N-Butyl Phthalate, 2,3-Dichlorobiphenyl, Dichlorvos, Dieldrin., Diethyl Phthalate, Di (2-Ethylhexyl) Adipate, Di (2-Ethylhexyl) Phthalate, Dimethyl Phthalate, 2,4-Dinitrotoluene, 2,6-Dinitrotoluene, Diphenamid, Disulfoton, Endosulfan I, Endosulfan II, Endosulfan Sulfate, Endrin., Endrin Aldehyde, EPTC, Ethoprpo, Etridiazole, Fenamiphos, Fenarimol, Fluorene, Fluridone, Heptachlor., Heptachlor Epoxide, 2,2′,3,3′,4,4’6-HeptachloroBiphenyl, Hexachlorobenzene, 2,2′,4,4′,5,6′-HexachloroBiphenyl, Alpha Hexachlorocyclohexane, Beta Hexachlorocyclohexane, Delta Hexachlorocyclohexane, Hexachlorocyclohexane, Hexazinone, Indeno (1,2,3-CD) Pyrene, Isophorone, Lindane, Merphos, Methoxychlor., Methyl Paraoxon, Metolachlor, Metribuzin, Mevinphos, MGK 264, Molinate, Napropamide, Napthalene., Norflurazon, 2,2′,3,3′,4,5′,6,6′-OctachloroBiphenyl, Pebulate, 2,2′,3′,4,6-Pentachlorobiphenyl, Pentachlorophenol, Phenanthrene, Permethrin, Cis, Permethrin, Trans, Prometron, Prometryn, Pronamide, Propachlor, Propazine, Pyrene, Simazine, Simetryn, Stifros, Terbuthiuron, Terbacil, Terbufos, Terbutryn, 2,2′,4,4′-Tetrachlorobiphenyl, Triademefon, 2,4,5-Trichlorobiphenyl, Tricyclazole, Trifluralin, Vernolate, PCB Screen, Toxaphene Screen, Technical Chloradane
2,4-D, 2,4,5-TP, 2,4,5-T, Aldrin, A-BHC, B-BHC, C-BHC, D-BHC, Chlordane, 4,4′-DDD, 4,4′-DDE, 4,4′-DDT, Dieldrin, Endosulfan I, Endosulfan II, Endosulfan Sulfate, Endrin, Endrin Aldehyde, Heptachlor, Heptachlor Epoxide, Methoxychlor, Toxaphene
Every test comes with step-by-step instructions on how to prepare your water source, collect your water sample, and prepare your sample for return shipment to our lab.
We’ll mail you a kit that includes everything you’ll need to collect a water sample and mail it back to us.
After the test is completed, we’ll email you an in-depth technical report with a full breakdown of your results.
Most water testing companies consider their job done once they’ve sent your results. We don’t. We want to make sure you understand what steps you can take to improve your water quality and address any harmful contaminants. That’s why we offer complimentary follow-up phone calls with our experts—and you’re always welcome to email us with questions anytime.
The Ultimate Water Test provides a complete profile of your drinking water and identifies a very extensive variety of serious and common drinking water problems. This test also provides an in-depth microbiological analysis of your water—quantifying bacteria, fungi, and yeast.
From a health perspective, it’s always safest to go with the Ultimate Water Test if it’s been a while since you’ve had your water tested.
If your water has a strange smell or texture or has caused people drinking it to become ill, we recommend this test as it will reveal any serious problems with your drinking water.
We do The testing ourselves. The results you receive always come directly from our in-house lab. This keeps our prices down and the quality of our testing up.
Most water testing companies provide results, but often fall short when it comes to explaining what those results actually mean in a real-world context, whether the issue is structural, environmental, or something that truly requires filtration. We take a more comprehensive approach by helping you understand not just the data, but what actions, if any, are actually necessary.
We’re a member of the national Water Quality Association and our own local Massachusetts Ground Water Association.
All five-star reviews on Trustpilot, a 4.8 out of 5 rating on Google, and a 4.8 out of 5 rating on Angi based on 342 reviews.
No shared results. Our laboratory holds our clients privacy to the highest regard, your results and information will never be shared. Be aware that state certified laboratories may be required to report your results to various government agencies.