Charleston, SC water quality
Charleston, SC is served by 5 public water systems, serving 327,822 people combined. Across those systems, we count 0 health-based violations in the last 5 years. The worst Tap Grade among them is B.
Water systems serving Charleston
CHARLESTON WATER SYSTEM (SC1010001)
CHARLESTON, SC · 327,422 served
CAMP HO NON WAH (SC1070675)
N CHARLESTON, SC · 200 served
WASSAMASSAW PLANTATION (SC0874007)
CHARLESTON, SC · 90 served
INN AT MIDDLETON PLACE (SC1870400)
CHARLESTON, SC · 85 served
CHARLESTON ADVENTURE FOREST (SC1074003)
CHARLESTON, SC · 25 served
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Is Charleston, SC tap water safe to drink?
5 public water systems serve Charleston, SC, with 0 health-based violations in the last 5 years across them. The worst Tap Grade among them is B.
Does Charleston's water have lead in it?
The most recent 90th-percentile lead sample is 3.5 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in Charleston's water?
Yes — at least one water system serving Charleston has detected PFAS under UCMR5.
Source: EPA SDWIS/ECHO · Data as of 2026Q2