Does Fort Mill, SC tap water have any EPA-reported violations?

As of July 2026, EPA SDWIS records show 21 violation(s) across the community water systems serving Fort Mill, of which 1 are classified by the EPA as health-based. Most older violations have returned to compliance; see the per-system list.

Where does Fort Mill, SC tap water come from?

Fort Mill is served by 16 active community water system(s). Their primary sources, per EPA records, are: surface water, groundwater.

SC / Fort Mill

SC · Tap water records

Fort Mill tap water, in plain English

Here is what the EPA's own data shows about tap water in Fort Mill. According to EPA SDWIS data retrieved July 2026, Fort Mill is served by 16 active community water systems, together reported to serve about 29,136 people.

As of July 2026, EPA records show 21 violations across the community water system(s) serving Fort Mill, going back to the earliest EPA record. 1 of these are classified by the EPA as health-based (a contaminant recorded above the limit the EPA tracks); the rest are monitoring or reporting violations. Each is listed by system below, with its status.

16

Community water systems
~29,136

People served (EPA-reported)
July 2026

EPA records reviewed through

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What the EPA has on record, by system

Fort Mill Town Of (Sc4610003)

25,000 served · surface water · PWSID SC4610003

Monitoring Consumer Confidence Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times in October 2021. All have since returned to compliance, per EPA records.
Monitoring Revised Total Coliform Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times in July 2016. All have since returned to compliance, per EPA records.
Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in January 1993. All have since returned to compliance, per EPA records.

Riverview Rural Cws (Sc4620001)

2,200 served · surface water · PWSID SC4620001

Health-based LEAD AND COPPER RULE REVISIONS: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded once in October 2024. The EPA record for these does not include a measured level. All have since returned to compliance, per EPA records.
Monitoring LEAD AND COPPER RULE REVISIONS: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in October 2024. All have since returned to compliance, per EPA records.
Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 4 times between October 2013 and October 2018. All have since returned to compliance, per EPA records.
Monitoring Stage 2 Disinfectants and Disinfection Byproducts Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in July 2009. All have since returned to compliance, per EPA records.
Monitoring Consumer Confidence Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times between October 2001 and July 2003. All have since returned to compliance, per EPA records.

Twin Lakes Estates (Sc4660007)

550 served · surface water · PWSID SC4660007

Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times in October 2018. All have since returned to compliance, per EPA records.
Monitoring Stage 2 Disinfectants and Disinfection Byproducts Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times between April 2008 and July 2010. All have since returned to compliance, per EPA records.