Certified Home Water Testing & Treatment in Franklin County
Protect your family and home with state-approved water analysis, clear recommendations, and quick turnaround, serving Union, St. Louis, and nearby Missouri communities.
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State-Certified Water Analysis for Homeowners
At Franklin County Lab, we view home water quality as essential for health and property. Since 1992, we’ve helped homeowners in Union, the St. Louis Metro, and Franklin County with state-certified drinking water testing for private wells. Using approved methods for Total Coliform and E. coli, we ensure reliable results. If your water is safe, no treatment is necessary; if there’s a risk, we offer guidance on certified disinfection and filtration solutions.
Trusted Home Water Experts—Serving Union & Beyond
Franklin County Lab is a privately owned, independent laboratory based in Union, MO. We are not a government agency, and we’re not a retail shop that leads with equipment. We focus on drinking water analysis first, then provide treatment only when results justify it. Homeowners, realtors, and builders rely on us for certified reporting that supports real estate timelines and peace of mind. Our team’s strength is the combination of laboratory rigor and licensed oversight, which helps you move from uncertainty to a clear plan. From certified bacteria testing and well chlorination to installations like UV light, water softeners, and reverse osmosis, we keep the workflow simple and the recommendations grounded in the lab report. If you’re in Union, Washington, Sullivan, St. Clair, or the St. Louis Metro area, you can count on a local partner who prioritizes accuracy and integrity.
Why Homeowners Choose Franklin County Lab
Protecting your home’s water quality is our top priority. We ensure reliable tests and rapid results, so you won't wait long for information. Our local expertise addresses your area's specific needs and challenges. Plus, we avoid unnecessary upsells or added costs, providing you with the best service possible.
Certified laboratory results accepted by banks, realtors, and the Missouri DNR.
No upsell guarantee: If the report is safe, we do not push equipment.
All-in-one home support: Testing, reporting, and treatment in one place.
Fast turnaround, with many results available within 24–48 hours when timing matters.
Service coverage includes Union, St. Louis, Washington, Sullivan, and nearby communities.
Decades of hands-on experience in residential well and water system care.
OUR top SERVICES
Explore our full suite of lab-backed testing, water treatment, and certified operator services trusted across Missouri.
Home Bacteria Testing
State-approved testing for Total Coliform and E. coli in your home’s drinking water. Fast, affordable, and accepted by banks, realtors, and the Missouri DNR.
Well Chlorination & Disinfection
Professional well chlorination for home water systems by licensed experts. Address bacteria concerns with proven disinfection practices tied to certified results.
Home Water Filtration Systems
Installation of UV lights, water softeners, iron/sulfur filters, and reverse osmosis systems for complete home water treatment, recommended only when your results support it.
Lead, Nitrate, & Chemical Testing
State-certified analysis for lead, nitrate, nitrite, and niche contaminants. Get clear reporting on chemical risks with dependable lab processing.
Well Cap Replacement & Maintenance
Reduce contamination risk with professional well cap replacement and expert water line maintenance. Keep your system protected and aligned with safe well practices.
What Homeowners Say About
Franklin County Lab
FREQUENTLY ASKED QUESTIONS
How often should I test my home’s well water?
Homeowners should test their well water at least once a year for bacteria and nitrates, or after any system repair or flooding event.
Are your water test results accepted by realtors and banks?
Yes. As a state-certified lab, our results are fully accepted for real estate transactions, mortgage approvals, and DNR compliance.
What if my home’s water tests positive for bacteria?
If bacteria are found, we’ll explain what the result means, outline the risk level, and provide certified well chlorination or treatment options based on the report, without sales pressure.
Do you install home filtration or softener systems?
Yes, we install UV lights, water softeners, iron/sulfur filters, and reverse osmosis, and we tie recommendations to certified test results rather than quotas.
What areas do you serve for home water testing?
We serve Union, St. Louis Metro, Franklin County, and nearby cities like Sullivan, Washington, and St. Clair. Extra service fees may apply outside a 1-hour radius.
