State Certified Drinking Water Testing In Missouri
Accurate lab testing for bacteria, lead, nitrates, and pesticides using state-approved methods.
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Accurate Testing Backed By State Certification
Franklin County Lab provides drinking water testing for homeowners, realtors, builders, and public systems across Missouri. We use approved chromogenic and fluorogenic substrate methods to test for Total Coliform and E. coli. We also process Lead, Nitrate, Nitrite, and comprehensive Water Check panels that evaluate metals, organics and inorganics, physical factors, and pesticide risks.
Whether you are buying a home, maintaining a private well, or managing a regulated system, our testing provides clear, documented results. We test only drinking water, so every sample is handled with the same potable water focus and consistent lab standards.
Bacteria, Lead, And Comprehensive Panels
Our most requested service is the standard bacteria test for Coliform and E. coli. These organisms can indicate contamination from environmental or fecal sources and may require timely follow-up. We also offer expanded chemical analysis, including Lead, Nitrate, and Nitrite processing, along with Water Check panels for deeper analysis.
Our lab results are certified and can be used for regulatory or real estate purposes when documentation is required. Results are processed efficiently and explained in a straightforward way, so you understand what the findings mean and what steps, if any, should follow.
Testing First, Treatment Only If Needed
We start with the results. If your findings show safe conditions with no bacteria or chemical concerns, we will tell you that no further action is needed. If contamination is detected, we explain what was found and outline appropriate options, such as UV disinfection, filtration, or professional chlorination.
The goal is to help you make an informed decision using validated laboratory results. That keeps next steps tied to the report and supports compliance needs for regulated systems.
When And Why To Test Your Water
Private well owners should test annually for bacteria and periodically for chemical contaminants. Realtors often require certified results during property transfers. Public water systems must complete required BacT sampling and compliance reporting.
Testing is also recommended after flooding, well repairs, septic malfunctions, changes in taste or odor, or visible slime buildup. Addressing potential contamination early helps protect health and reduce avoidable damage to plumbing and equipment.
Drinking Water Testing FAQs
What does a bacterial result mean if it shows contamination?
A positive result for Total Coliform or E. coli indicates a contamination concern that should be addressed promptly. We explain what the finding means and what follow-up steps may be appropriate.
Which tests are most common for real estate documentation?
Bacteria testing is commonly requested for transfers. Additional chemical testing, such as lead, nitrate, and nitrite, may also be requested depending on the situation.
What is included in Water Check panels?
Water Check 1 & 2 panels provide broader analysis beyond metals & inorganic compounds and physical factors. They test for bacteria, metals, inorganic compounds and physical factors, organics, and pesticides & herbicides. depending on the panel.
Can chemicals be present even if the water looks and tastes fine?
Yes. Some concerns, including lead, nitrates, and nitrites, may not be noticeable by taste, odor, or appearance. Certified testing is the way to confirm.
How do you decide what comes after testing?
If results indicate a problem, we explain the finding and discuss appropriate next steps. Options may include UV disinfection, filtration, or professional chlorination, depending on what the report shows.
Do you handle non-drinking water sources?
No. We strictly test potable drinking water samples and do not process pond, lake, or other non-drinking sources.










