Drinking Water Compliance OS

ROCK HILL, SC · York County

ROCK HILL CITY OF (SC4610002) Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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
84,504
Service connections
38,494
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

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, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 1996 – June 30, 1996

    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

    Selenium

    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

    Cadmium

    January 1, 1993 – January 31, 1993

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 1993 – January 31, 1993

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1992 – August 17, 1992

    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)

Enforcement actions

Contact

SASSER, GABE

803-322-7494

ROCK HILL, SC 29731