Water Quality & Forever Chemicals
Landed here after typing "Charleston water quality" into a late-night search bar? You're in the right place, and there's no alarming headline waiting. Think of this as a calm summary of what public federal water records show for Charleston, South Carolina, pulled together so you can skip the dataset hunt. The catch worth holding onto: what reaches your kitchen tap hinges on the specific utility and source behind your address, not one city-wide answer.
5
PFAS detections in nearby water systems
EPA UCMR 5 (2021–2024) results matching the city name
0
Industrial PFAS facilities in city
EPA TRI 2024 reporting
2
DoD PFAS installations statewide
In South Carolina
Much of the Charleston region tends to draw on Lowcountry surface waters, with rivers and reservoirs feeding treatment plants across the coastal plain rather than deep wells. That broad source pattern is well established for the area and differs from groundwater-reliant inland regions. Even so, the water feeding your street depends on the system serving you, so read this as regional context rather than your own tap's profile.
Charleston sprawls across islands, peninsulas, and mainland, and that geography means the property next door can draw from a different public water system than yours. So treat the regional summary above as background, not your personal tap. Match your address to the system serving it, then read that utility's annual Consumer Confidence Report, published free each year. If anything's unclear, the utility in the live list is a phone call away. It's modest, no-cost diligence worth reviewing when evaluating an address.
"Is Charleston water hard" is a popular question, and it's a low-stakes one, mostly about cloudy glassware and a weary water heater. Coastal-plain surface supplies tend to vary, so we won't attach a figure to your tap, especially since no such dataset exists. The easy path is a dollar-store test strip, or skim your utility's annual report, which often lists hardness. Then the film on your dishes finally has an explanation.
EPA required public water systems serving 3,300+ people to test 29 PFAS compounds between 2021 and 2024.
City-level numbers describe the broad pattern around Charleston; two homes a mile apart can sit on different water systems with very different profiles. The address report fills that gap — it identifies the public water system serving a specific property, lists any PFAS detections on that exact system, and maps the nearby industrial and Superfund sources.
Live in Charleston? Reduce PFAS exposure at home
NSF-certified pitcher and under-sink filters can remove 99%+ of PFOA and PFOS. We list the ones with real independent lab data — no marketing claims.
See recommended PFAS filters →Want to know what's actually in your Charleston tap today?
EPA data tells you what your utility reported on the days they tested. A Tap Score kit tells you what's coming out of your faucet, right now. Mail-in lab, certified results in about a week. The same labs cities use.
Order a Tap Score kit →Guide
How to Check Drinking Water Quality Before Buying a Home
The 5-minute version of what an environmental consultant would look at.
Guide
PFAS “Forever Chemicals” — A Homebuyer's Guide
What PFAS are, why they matter, and what to do before closing.
How-to
How to Check for PFAS Near Your Address
A walkthrough of the federal datasets we pull from.
Checklist
Environmental Risks to Check Before Buying a House
A practical pre-offer checklist for buyers and agents.
No honest page hands out a flat yes or no for Charleston, so we won't. We summarize what federal records like UCMR 5 show. A detection isn't an exceedance, and because UCMR 5 concentrates on larger systems, a quiet result reads as "no records here," not a clean bill of health. The real answer is tied to the specific system serving your address.
Begin with the system or systems listed on this page, then track down that utility's published contact information and its yearly Consumer Confidence Report. Since two nearby Charleston addresses can fall under different public water systems, match your own address to its provider rather than assuming the biggest local utility automatically reaches you.
Broadly, much of the Charleston area tends to rely on Lowcountry surface waters, with regional rivers and reservoirs treated and piped across the coastal plain. Take that as the well-established backdrop. The source behind your own tap follows the system serving your address, which its annual report lays out.
Enter an address — we'll identify the serving water utility, pull PFAS detections, FEMA flood zone, and nearby Superfund sites, then give you a plain-English A–F grade. $19.99 single, $29.99 two-address bundle.
One-time report. PFAS, water violations, Superfund sites, flood zone, air quality, and a plain-English A–F grade for the address.
More South Carolina data: Superfund sites · PFAS in South Carolina
Two-address bundle $29.99 · Same-day delivery