Extended Well Water Test
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Recommended for thorough evaluation of well water quality, particularly wells that have never been tested before. Extensive analysis of possible groundwater contaminants—including heavy metals, common bacteria, petroleum compounds, PFAS, tannins, and radionuclides.
- Certified lab testing
- 12 business day lab turnaround
- Free shipping, both ways
- Unbiased treatment advice
Overnight shipping to lab included
This kit includes overnight shipping to the lab and insulated coolers for accurate analysis.
About the Extended Well Water Test:
This is the right test for you if:
- Are served by a private or shared well.
- Have a septic tank near the well or other source of potential bacterial contamination.
- Have young children or other vulnerable individuals in your home.
- Concerned about runoff from agricultural activity.
- Concerned about contamination from oil and gas or industrial operations.
- Water appears to have an oily, iridescent sheen or a yellow-brown hue.
- Want to check for chemicals from plastic pipes.
- Located in an area with potential radiological contamination.
- Concerned about nearby industrial contamination or chemical spills of PFAS.
1. Sample
You'll get everything you need to collect your drinking water sample, including easy-to-follow instructions.
2. Ship
Shipping is free, so getting your sample to the lab won't cost you a thing.
3. Test
We route your sample to an independent, certified lab in our network that's best equipped to analyze your water.
4. Report
Once the lab analysis is complete you'll get an interactive digital report that explains your results and what to do next.
Sampling Instructions
Sampling Materials
Overnight Shipping to Lab Included
Cold Shipping KitThe Extended Well Water Test kit includes analysis for 142 analytes:
Properties: 6
Alkalinity (as CaCO3) / Conductivity / Hardness / Total Dissolved Solids / Turbidity / pH
Bacteria: 2
E. coli / Total Coliform
Disinfection Byproducts: 6
Bromochloromethane / Bromodichloromethane / Bromoform / Chloroform / Dibromochloromethane / Dibromomethane
Inorganics: 8
Boron / Chloride / Fluoride / Nitrate (as N) / Nitrite (as N) / Phosphorus / Silica / Sulfate
Metals: 25
Aluminum / Antimony / Arsenic / Barium / Beryllium / Cadmium / Chromium (Total) / Cobalt / Copper / Iron / Lead / Lithium / Manganese / Mercury / Molybdenum / Nickel / Selenium / Silver / Strontium / Thallium / Tin / Titanium / Uranium / Vanadium / Zinc
Minerals: 4
Calcium / Magnesium / Potassium / Sodium
Organics: 1
Tannins
Pesticides: 1
1,3 Dichloropropene
Petroleum Compounds: 7
Benzene / Ethylbenzene / Methyl Tertiary Butyl Ether / Naphthalene / Toluene / m,p Xylene / o Xylene
PFAS: 25
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid / 4,8-dioxa-3H-perfluorononanoic acid / 4:2 Fluorotelomer sulfonic acid / 6:2 Fluorotelomer sulfonic acid / 8:2 Fluorotelomer sulfonic acid / 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid / GenX / Perfluoro(2-ethoxyethane)sulfonic acid / Perfluoro-3,6-dioxaheptanoic acid / Perfluoro-4-oxapentanoic acid / Perfluoro-5-oxahexanoic acid / Perfluorobutanesulfonic acid / Perfluorobutanoic acid / Perfluorodecanoic acid / Perfluorododecanoic acid / Perfluoroheptanesulfonic acid / Perfluoroheptanoic acid / Perfluorohexanesulfonic acid / Perfluorohexanoic acid / Perfluorononanoic acid / Perfluorooctanesulfonic acid / Perfluorooctanoic acid / Perfluoropentanesulfonic acid / Perfluoropentanoic acid / Perfluoroundecanoic acid
Radionuclides: 2
Gross Alpha Activity / Gross Beta Activity
VOCs: 45
1,1 Dichloroethane / 1,1 Dichloroethylene / 1,1 Dichloropropene / 1,1,1 Trichloroethane / 1,1,1,2 Tetrachloroethane / 1,1,2 Trichloroethane / 1,1,2,2 Tetrachloroethane / 1,2 Dichlorobenzene / 1,2 Dichloroethane / 1,2 Dichloropropane / 1,2,3 Trichlorobenzene / 1,2,3 Trichloropropane / 1,2,4 Trichlorobenzene / 1,2,4 Trimethylbenzene / 1,3 Dichlorobenzene / 1,3 Dichloropropane / 1,3,5 Trimethylbenzene / 1,4 Dichlorobenzene / 2,2 Dichloropropane / Bromobenzene / Bromomethane / Carbon Tetrachloride / Chlorobenzene / Chloroethane / Chloromethane / Chlorotoluene 2 / Chlorotoluene 4 / Dibromochloropropane / Dichlorodifluoromethane / Dichloromethane / Ethylene dibromide / Hexachlorobutadiene / Isopropylbenzene / Styrene / Tetrachloroethylene / Trichloroethylene / Trichlorofluoromethane / Vinyl Chloride / cis 1,2 Dichloroethylene / n Butylbenzene / n Propylbenzene / p Isopropyltoluene / sec Butylbenzene / tert Butylbenzene / trans 1,3 Dichloropropene
Calculated Parameter: 9
Bicarbonate / Carbonate / Chloride-to-Sulfate Mass Ratio / Grains per gallon / Hardness (Ca,Mg) / Hardness (Total) / Langelier Saturation Index / Sodium Adsorption Ratio / Total THMs
Self Tests: 1
Hydrogen Sulfide (H2S) Gas
Choose your preferred shipping method at checkout:
1. Standard to You | Overnight To Lab
- Orders shipped to you via FedEx.
- Typically shipped within 12-36 hours of placing your order.
- Arrives within 2-3 business days of shipment.
- Includes overnight shipping to the lab via FedEx.
2. Overnight (Both Ways)
- Orders shipped to you via overnight FedEx.
- Typically shipped same day as order placed.
- Arrives within 1 business day of shipment.
- Includes overnight shipping to the lab via FedEx.
3. Urgent Orders
- Questions about shipping? Contact our support team.
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"This lab is incredible at receiving samples and getting results in a timely manner. But where they truly shine is going above and beyond to discuss results with clients and help bring clarity to what those results mean."
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"I've used Tap Score for a couple years now to test our well water (we have LOTS of water issues here) and by far it has been the easiest, most comprehensive, best water testing company I've worked with! They make it super easy and are super helpful for follow-up explanations/help with our water issues. I feel safe and confident using their labs."
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"Once you get your results back use the chat feature to connect with someone who will be able to help you interpret the results, a great help!"
| Recommended | |||
|---|---|---|---|
Which core kit is right for me? |  Essential Well Water Test
|  Advanced Well Water Test
|  Extended Well Water Test
|
| Number of Analytes | 54 | 114 | 142 |
| Free Shipping | Standard | Overnight | Overnight |
| Business Days at Lab | 5 | 5 | 12 |
| General Properties | 14 | 15 | 15 |
| Coliform & Microbiology | 2 | 2 | 2 |
| Inorganics & Fertilizers | 8 | 8 | 8 |
| Metals & Minerals | 29 | 29 | 29 |
| VOCs & SVOCs | — | 50 | 51 |
| Petroleum Compounds | — | 7 | 7 |
| Pesticides | — | 2 | 1 |
| Radiologicals | — | — | 2 |
| PFAS | — | — | 25 |
| Other | 1 | 1 | 1 |
| $209.00 | $399.00 | $1,125.00 |
Independent, Accurate & Actionable Lab Reports.
After our labs evaluate your water, we generate your Tap Score™ using an algorithm that removes subjectivity and supports unbiased solutions.
- Contaminant Breakdown
- Health Risks & Considerations
- Impact on Home & Plumbing
- Treatment Recommendations
Certified, Regional Lab Testing.
With over 250 world-class testing facilities in our network, we can test your water with greater specialization, faster speeds and higher standards.
Customer service meets science.
Our Support Team includes water quality engineers, scientists, and toxicology experts who help make sense of your results.
- Insight into health, aesthetic & plumbing risks
- Recommendations based on your data
- Available by live chat, phone, or email
Go ahead. Ask us anything
We know this stuff feels complicated, but we are dedicated to keeping it simple. Answers to all your questions are always a chat or FAQ away.
Which test is right for me?
When in doubt, start with a Core Kit to analyze multiple contaminants with a single test. If you have more specific motivations for testing, try our Customize My Kit feature to match your needs to the right test(s).
What's the turnaround time?
Most people receive results within 3-5 business days after the lab receives their sample. However, some tests may require additional analytical time so be sure to check each kit’s product page for the most accurate estimate.
What will my report include?
Your report will rank your water against local and federal safety benchmarks, provide a thorough breakdown of any contaminants detected and how they may be affecting your health or plumbing, and provide non-biased treatment recommendations.
Are Tap Score labs certified?
Every lab facility in our network is certified with accreditations ranging from ISO to NELAC/ELAP, Direct State, DoD, DoE, DoH and beyond. Need a specific certification? Let us know so that we can meet your needs accordingly.