Public water system record

York County West WD

Serves an area of York County, SC that includes York, Lake Wylie, McConnells and 4 more places · 18,273 people served

Federal records show 1 health-based violation and 4 monitoring/reporting issues for York County West WD in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • SC4620003
  • YORK
  • SC
  • 18,273 served

System profile

Source water Purchased surface water
ZIP 29745
EPA system ID SC4620003

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
4

Key facts

  • York County West WD buys its water from City of Rock Hill.
  • Most recent formal enforcement: administrative penalty by South Carolina, February 2014.
  • Record on file since 1994, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 2,746 unknown out of 8,627 service lines.

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Health-based violations

Since October 2016

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

Contaminant Rule family Start date Status Acute
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Revised Total Coliform Rule
RPT
May 14, 2025 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2022 Resolved

Full record since 1994

EPA's records for York County West WD go back to 1994. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 1 monitoring or reporting violation.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2010 to October 18, 2016 3 0
2020s 1 4

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began January 2014, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
Jan 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.103 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
Oct 1, 2013 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
Jul 1, 2013 Resolved

Enforcement actions

South Carolina regulators took 2 formal enforcement actions against York County West WD in 2014. The most recent was an administrative penalty in February 2014.

Date By Action Violations covered
Feb 5, 2014 South Carolina Administrative penalty 2 violations (2 health-based): Total Trihalomethanes (TTHMs)
Feb 5, 2014 South Carolina Compliance order with a penalty 3 violations (3 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

York County West WD buys its water from City of Rock Hill. It lists no wells or intakes of its own. 1 other community water system and 1 smaller public system such as schools, businesses or campgrounds buy water from York County West WD.

Buys water from

Community systems that buy water from it

Annual water quality report

York County West WD 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.