Is Hartsville/Trousdale County, TN tap water safe?
The short answer
3 of the 9 utilities serving Hartsville/Trousdale County have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Hartsville - Trousdale W&S U.D., Wilson Co Water & Wastewater and Twenty Five Utility District.
Hartsville - Trousdale W&S U.D., which serves the most people here, has 2 results above the legal limit and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 59.8 ppb, above the legal limit.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Hartsville/Trousdale County’s ZIP codes, from EPA’s estimates.
- Open report
Hartsville - Trousdale W&S U.D.
Tennessee · serves 10,562 people · about 6,900 in Hartsville/Trousdale County
2 results above the legal limit and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 59.8 ppb, above the legal limit.
6 health-based violations since 2016
- Open report
Castalian Springs - Bethpage U.D.
Tennessee · serves 14,555 people · about 1,800 in Hartsville/Trousdale County
1 result above the health goal. The worst: Lead at 1.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Lebanon Water System
Tennessee · serves 60,669 people · about 1,700 in Hartsville/Trousdale County
2 results above the health goal. The worst: Arsenic at 1.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Lafayette Water System
Tennessee · serves 22,435 people · about 760 in Hartsville/Trousdale County
2 results above the health goal. The worst: Lead at 2.8 ppb, above the health goal.
No health-based violations since 2016
- Open report
Laguardo Utility District
Tennessee · serves 16,175 people · about 580 in Hartsville/Trousdale County
1 result above the health goal. The worst: Lead at 0.4 ppb, above the health goal.
No health-based violations since 2016
- Open report
Wilson Co Water & Wastewater
Tennessee · serves 22,680 people · about 460 in Hartsville/Trousdale County
1 result above the legal limit, 1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 57 ppb, above the legal limit.
3 health-based violations since 2016
- Open report
Portland Water System
Tennessee · serves 25,761 people · about 170 in Hartsville/Trousdale County
2 results above the health goal. The worst: Arsenic at 1.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
South Side U.D. #1
Tennessee · serves 4,431 people · under 100 in Hartsville/Trousdale County
1 result above the health goal. The worst: Lead at 1.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Twenty Five Utility District
Tennessee · serves 2,159 people · under 100 in Hartsville/Trousdale County
1 result above the legal limit and 1 result above the health goal. The worst: Haloacetic acids (HAA5) at 53.6 ppb, above the legal limit.
1 health-based violation since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Hartsville - Trousdale W&S U.D.’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana Clean Water Machine (AQ-CWM2)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead
Brita Hub Countertop Water Filter System (87340)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead
Ninja HydraSense Countertop Water Filtration System (WF1001)
Countertop
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead
Water testing near Hartsville/Trousdale County
The 3 labs Tennessee certifies closest to Hartsville/Trousdale County, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Pace Analytical National Center for Testing&Evaluation
Mount Juliet, TN · about 22 miles
Certified for bacteria, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
Tennessee Tech University Water Center
Cookeville, TN · about 42 miles
Certified for bacteria, metals, minerals and other inorganics, disinfection byproducts
Logan-Todd Regional Water Commission
Guthrie, KY · about 58 miles
Certified for bacteria
Tennessee Department of Health: Water quality testing for eligible private wells and springs, through the program formerly called SafeWATCH. Contact the department's Waterborne Disease Team to ask about eligibility. Free for eligible wells and springs. Waterborne Diseases, Tennessee Department of Health.
All 37 certified labs for TennesseeWhich ZIP codes are in Hartsville/Trousdale County: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: TDEC, commercial laboratories certified for drinking water analysis; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Hartsville/Trousdale County
Towns nearby with a page of their own.
What to do next
- Read Hartsville - Trousdale W&S U.D.’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water