Laboratory technician determining water quality/ ©Adobe Stock
When you send in your water sample to the lab, the lab will perform various tests and analyses to determine the quality of your water. The specific procedures may vary depending on the lab, but generally, the lab will follow a set of protocols to ensure accurate and reliable results.
Receiving the sample: The lab will receive your water sample and check it for any signs of contamination or damage to the sample. They will then label and document the sample to ensure proper identification throughout the testing process. It is important to follow guidelines and timeframes provided by the lab, or your sample may be rejected at this point.
Testing the water quality: The lab will conduct a series of tests on the sample to assess its quality. These tests may include measuring pH levels, checking for the presence of bacteria or other microorganisms, and analyzing the levels of various contaminants such as heavy metals, pesticides, or nitrates.
The lab technicians will use specialized equipment and techniques to perform these tests accurately. They may use instruments like spectrophotometers, chromatographs, or microbial culture plates to analyze different aspects of the water sample.
Interpreting the results: Once the tests are completed, the lab will interpret the results based on established guidelines and standards. They will compare the results to regulatory limits or recommended levels for drinking water quality. This analysis will help determine if your water sample meets the required standards or if there are any potential issues with its quality.
Creating a report: The lab will compile the results into a report that summarizes the findings of the tests. This report will typically include information on the specific parameters tested, the measured values, and any recommendations or actions that may be necessary based on the results.
It’s important to note that the specific procedures and tests conducted by the lab may vary depending on the purpose of the water sample analysis and the specific requirements of the testing program. Therefore, it’s always a good idea to consult with the lab or your local health department for more detailed information on the specific procedures they follow.
Additional Resources:
What do I need to know about sampling my well water? PrivateWellClass.org
What information should I know before I test my well water? PrivateWellClass.org
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Sign up for the free 10-week email course from PrivateWellClass.org. The class is a project of RCAP and the University of Illinois, with funding from USEPA.
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