
Total Organic Carbon Water Test
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Recommended for targeted testing of total organic carbon (TOC) in a drinking water sample. TOC analysis measures the concentration of organic molecules in water (those with carbon-hydrogen bonds). While nearly all water, no matter how pure, contains some carbon-based material, TOC measurements are a useful and common metric for assessing overall organic contamination from natural substances, insecticides, herbicides, and other agricultural or industrial chemicals. TOC analysis is commonly conducted in pharmaceutical and industrial applications.TOC analysis can also be used to measure organic contamination related to nearby industrial spills and leaks which may enter a drinking water supply.
- Certified lab testing
- Report turnaround 8 business days
- Standard shipping included
- Unbiased treatment advice

About the Total Organic Carbon Water Test:
This is the right test for you if:
- Water tastes or smells earthy or musty.
- Concerned about water purity for industrial or pharmaceutical applications.
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.
The Total Organic Carbon Water Test kit includes analysis for 1 analytes:
Properties: 1
Total Organic Carbon
Choose your preferred shipping method at checkout:
1. Standard (Both Ways)
- 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 2-day shipping to the lab via FedEx.
2. 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.
3. 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.
4. Urgent Orders
- Questions about shipping? Contact our support team.

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
Have Questions? We Have Answers.
Reach out to us any time. We can help with everything related to water testing, including:
- Test Kit Selection
- Lab Methods & Certifications
- Detection & Reporting Limits
- Compliance
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?
You can see each kit's specific report turnaround in the product description. 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.
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.

