Public water system record

City of Rock Hill

Serves an area of York County, SC that includes Rock Hill, Catawba, Lesslie and 2 more places · 84,504 people served

Federal records show no health-based violations and no monitoring or reporting issues for City of Rock Hill in the last ten years.

  • SC4610002
  • ROCK HILL
  • SC
  • 84,504 served

System profile

Source water Surface water
ZIP 29731
EPA system ID SC4610002

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • City of Rock Hill draws water from 1 surface water intake.
  • Record on file since 1987, with 5 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 75,410 service lines.

Check whether City of Rock Hill serves your address

Address suggestions by Mapbox

Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

None since October 2016, and no monitoring or reporting violations either.

Full record since 1987

EPA's records for City of Rock Hill go back to 1987. Before October 19, 2016 they list 5 health-based violations (4 resolved, 1 archived by EPA without a recorded fix) and 11 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 1 0
1990s 3 9
2010 to October 18, 2016 1 2

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began July 2013, Resolved.

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Jul 1, 2013 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 1996 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jul 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1994 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jun 1, 1987 Archived

Where the water comes from

City of Rock Hill draws water from 1 surface water intake. 8 other community water systems and 5 smaller public systems such as schools, businesses or campgrounds buy water from City of Rock Hill.

Community systems that buy water from it

Annual water quality report

City of Rock Hill must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by South Carolina.