What a well water test costs in Tennessee
We found 7 well water test fees published by 3 labs and offices in Tennessee. Published bacteria (coliform and E. coli) test fees run from $40 to $66 across 2 labs and offices. That is the lowest and highest fee printed, not an average.
Every fee we found, as published
Prices are copied from each lab's or agency's own page. A fee can change at any time, so check the linked page before you send a sample.
University and extension labs
- $40.00
Tennessee Tech University Water CenterCookevilleBacteria
The Tennessee Tech Water Center lab charges homeowners $40 for a bacterial analysis (total coliform and E. coli).
ouweb.tntech.edu · no date on the page · read October 7, 2026
- $125.00
Tennessee Tech University Water CenterCookevillePanel
The Tennessee Tech Water Center lab charges homeowners $125 for basic water chemistry, including coliform, E. coli, minerals and nitrate.
ouweb.tntech.edu · no date on the page · read October 7, 2026
Water districts and other public programs
- $100.00
Hamilton County Division of Groundwater ProtectionChattanoogaOther test
Hamilton County Division of Groundwater Protection charges $100 per permit for a water sample, plus a $5 administration fee.
hamiltontn.gov · no date on the page · read October 7, 2026
Private labs
- $44.00
Assured Bio LabsOak RidgeBacteria
Assured Bio Labs in Oak Ridge sells a basic bacteria water test for $44.
assuredbio.com · no date on the page · read October 7, 2026
- $66.00
Assured Bio LabsOak RidgeBacteria
Assured Bio Labs in Oak Ridge sells an advanced bacteria water test for $66.
assuredbio.com · no date on the page · read October 7, 2026
- $110.00
Assured Bio LabsOak RidgePanel
Assured Bio Labs in Oak Ridge sells a basic water panel for FHA/VA home loans for $110.
assuredbio.com · no date on the page · read October 7, 2026
- $335.00
Assured Bio LabsOak RidgePanel
Assured Bio Labs in Oak Ridge sells an advanced water panel for $335.
assuredbio.com · no date on the page · read October 7, 2026
How to get a sample tested in Tennessee
The Tennessee Department of Health's Environmental Microbiology Unit tests water samples from public and private systems for coliform bacteria.
The state Environmental Chemistry lab tests samples from private wells, among other sources, and takes bottle orders by email or phone.
For a lender-required total coliform test, TDEC points owners to their Environmental Field Office or Contract County contact.
EPA says to use only laboratories certified for drinking water testing, and notes your local health department may offer private well testing, sometimes free.
Sources: Tennessee Department of Health · Tennessee TDEC · U.S. EPA
Which test to pay for
EPA says to test a private well every year for total coliform bacteria, nitrates, total dissolved solids and pH, and to test for other contaminants you suspect.
Not sure which tests your well needs? Tick what applies to your home and see the tests agencies recommend, with the reason for each.
Source: U.S. EPA, private wells
Questions
How much does a well water test cost in Tennessee?
Published bacteria (coliform and E. coli) test fees run from $40 to $66 across 2 labs and offices. That is the lowest and highest fee printed, not an average. Wider panels cost more: $110.00 at Assured Bio Labs; $125.00 at Tennessee Tech University Water Center; $335.00 at Assured Bio Labs. Each fee on this page links to the page that prints it.
Does a public agency lab in Tennessee publish a fee?
We did not find a fee printed by the state lab for private well bacteria tests. The Tennessee Department of Health's Environmental Microbiology Unit tests water samples from public and private systems for coliform bacteria.
Test fees in other states
More for Tennessee: licensed well pros in Tennessee · Tennessee private well rules · buying a home with a well
Test your well water every year
The EPA says to test a private well every year for bacteria and nitrates, and no agency does it for you. Tell us when your water was last tested and we'll text you a month before the next test is due, with labs and licensed well pros near you.
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