Is Charleston, TN tap water safe?
The short answer
1 of the 5 utilities serving Charleston has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: River Landing Condominium Assoc.
Cleveland Utilities, which serves the most people here, has 2 results above the health goal. The worst: Arsenic at 1.0 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
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 Charleston’s ZIP codes, from EPA’s estimates.
- Open report
Cleveland Utilities
Tennessee · serves 95,087 people · under 100 in Charleston
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
Ocoee Utility District
Tennessee · serves 21,082 people · under 100 in Charleston
2 results above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 6.0 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Calhoun - Charleston U.D.
Tennessee · serves 2,959 people · under 100 in Charleston
1 result above the health goal. The worst: Lead at 0.94 ppb, above the health goal.
No health-based violations since 2016
- Open report
River Landing Condominium Assoc
Tennessee · serves 52 people · lists Charleston among the places it serves
1 result above the health goal. The worst: Lead at 1.0 ppb, above the health goal.
12 health-based violations since 2016
- Open report
Hiwassee Utility Commission
Tennessee · serves 25 people · lists Charleston among the places it serves
2 results above the health goal. The worst: Arsenic at 1.0 ppb, above the health goal.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Cleveland Utilities’s water, which serves the most people here. Another utility’s report names what handles its own results.
Disclosure: TapBuff earns a commission if you buy through some links on this page. It does not change which standard or filter we name. As an Amazon Associate, TapBuff earns from qualifying purchases. How TapBuff makes money
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic, Lead
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic, Lead
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic, Lead
Water testing near Charleston
The 3 labs Tennessee certifies closest to Charleston, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
AIRL, Inc.
Cleveland, TN · about 10 miles
Certified for bacteria, metals, minerals and other inorganics
Assured Bio Labs, LLC
Oak Ridge, TN · about 55 miles
Certified for bacteria
DOE Y-12 CNS National Security Complex
Oak Ridge, TN · about 55 miles
Certified for metals, minerals and other inorganics, disinfection byproducts, radioactivity
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 TennesseeZIP codes in Charleston
Which ZIP codes are in Charleston: 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 Charleston
Towns nearby with a page of their own.
What to do next
- Read Cleveland Utilities’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water