Is Charleston, AR tap water safe?
The short answer
1 of the 2 utilities serving Charleston has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s records: Charleston Waterworks.
Charleston Waterworks, which serves the most people here, has 1 result above the legal limit and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 83.8 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 Charleston’s ZIP codes, from EPA’s estimates.
- Open report
Charleston Waterworks
Arkansas · serves 3,386 people · about 110 in Charleston
1 result above the legal limit and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 83.8 ppb, above the legal limit.
No health-based violations since 2016
- Open report
Riversouth Rural Water Dist
Arkansas · serves 4,275 people · under 100 in Charleston
1 result above the health goal. The worst: Lead 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 Charleston Waterworks’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 Charleston
TapBuff hasn’t read Arkansas’s list of certified labs yet. The national page links every state’s own list.
Certified labs, state by stateZIP 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.
Near Charleston
Towns nearby with a page of their own.
What to do next
- Read Charleston Waterworks’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