Is ROCK HILL CITY OF (SC4610002) required to publish a Consumer Confidence Report?

Yes. ROCK HILL CITY OF (SC4610002) is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is ROCK HILL CITY OF (SC4610002)’s next Consumer Confidence Report due?

ROCK HILL CITY OF (SC4610002)’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

ROCK HILL, SC · York County

ROCK HILL CITY OF (SC4610002) Water System

Consumer Confidence Report status

ROCK HILL CITY OF (SC4610002) must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for ROCK HILL CITY OF (SC4610002).

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace South Carolina’s official records. Always confirm current status with South Carolina before making decisions based on this information.

System facts

System ID (PWSID): SC4610002
System type: Community Water System
Population served: 89,850
Service connections: 38,884
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

ROCK HILL CITY OF (SC4610002) is among the 9 largest community water systems in South Carolina, serving 89,850 people from surface water.

As of August 1, 2026, its federal record holds 13 entries between 1987 and 2013, all of which EPA lists as closed. Nothing has been added since 2013.

Of the 13, 9 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Lead and Copper Rule, and the Former Total Trihalomethane Rule.

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2013 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2013 – September 30, 2013
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2011 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 1994 – September 30, 1994
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 1994 – January 31, 1994
Resolved
Monitoring, Regular
—
Nitrate
July 1, 1993 – September 30, 1993
Resolved
Monitoring, Regular
—
Nitrate
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Cadmium
January 1, 1993 – January 31, 1993
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – March 31, 1993
Resolved
Monitoring, Regular
—
Mercury
January 1, 1993 – January 31, 1993
Resolved
Monitoring, Regular
—
Barium
January 1, 1993 – January 31, 1993
Resolved
Monitoring, Regular
—
Chromium
January 1, 1993 – January 31, 1993
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
June 1, 1987 – June 30, 1987
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2013 – December 31, 2014	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2013 – September 30, 2013	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2011 – December 31, 2014	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 1994 – September 30, 1994	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 1994 – January 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 1993 – September 30, 1993	Monitoring, Regular	Nitrate	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1993 – January 31, 1993	Monitoring, Regular	Cadmium	—	Resolved
January 1, 1993 – March 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1993 – January 31, 1993	Monitoring, Regular	Mercury	—	Resolved
January 1, 1993 – January 31, 1993	Monitoring, Regular	Barium	—	Resolved
January 1, 1993 – January 31, 1993	Monitoring, Regular	Chromium	—	Resolved
June 1, 1987 – June 30, 1987	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

March 8, 2016State Public Notification requested2 linked violations
March 8, 2016State Violation/Reminder Notice1 linked violation
March 1, 2016State Violation/Reminder Notice3 linked violations
December 31, 2014State Compliance achieved1 linked violation
December 31, 2014State Compliance achieved1 linked violation
January 7, 2014State Public Notification received2 linked violations
January 1, 2014State Compliance achieved1 linked violation
January 1, 2014State Compliance achieved1 linked violation
September 6, 2013State Violation/Reminder Notice1 linked violation
September 6, 2013State Public Notification requested1 linked violation
January 10, 1997State Compliance achieved1 linked violation
July 5, 1996State Public Notification received4 linked violations
January 10, 1995State Compliance achieved1 linked violation
September 7, 1994State Violation/Reminder Notice1 linked violation
March 2, 1994State Public Notification received1 linked violation
February 24, 1994State Violation/Reminder Notice1 linked violation

Common questions

Is ROCK HILL CITY OF (SC4610002) required to publish a Consumer Confidence Report?: Yes. ROCK HILL CITY OF (SC4610002) is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is ROCK HILL CITY OF (SC4610002)’s next Consumer Confidence Report due?: ROCK HILL CITY OF (SC4610002)’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ROCK HILL CITY OF (SC4610002) have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for ROCK HILL CITY OF (SC4610002).
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

SASSER, GABE

803-322-7494

ROCK HILL, SC 29730