Is DUNCAN MHP (SC4660093) required to publish a Consumer Confidence Report?

Yes. DUNCAN MHP (SC4660093) 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 DUNCAN MHP (SC4660093)’s next Consumer Confidence Report due?

DUNCAN MHP (SC4660093)’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

DUNCAN MHP (SC4660093) Water System

Consumer Confidence Report status

DUNCAN MHP (SC4660093) 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 DUNCAN MHP (SC4660093).

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): SC4660093
System type: Community Water System
Population served: 60
Service connections: 27
Ownership: privately owned
Water source: groundwater (wells)

DUNCAN MHP (SC4660093) is one of 1,060 community water systems in South Carolina in the 500 or fewer people size category, serving 60 people from groundwater.

As of August 1, 2026, its federal record holds 5 entries between 2000 and 2024, all of which EPA lists as closed.

Of the 5, 2 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 the Total Coliform Rules and the Lead and Copper Rule.

Violation history

LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – February 13, 2025
Resolved
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – February 13, 2025
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2002 – April 30, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2000 – September 30, 2000
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
May 1, 2000 – May 31, 2000
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 17, 2024 – February 13, 2025	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Resolved
October 17, 2024 – February 13, 2025	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Resolved
April 1, 2002 – April 30, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2000 – September 30, 2000	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
May 1, 2000 – May 31, 2000	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived

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

Enforcement actions

May 20, 2025State Public Notification received2 linked violations
February 13, 2025State Compliance achieved1 linked violation
February 13, 2025State Compliance achieved1 linked violation
January 28, 2025State Public Notification requested2 linked violations
January 28, 2025State Violation/Reminder Notice1 linked violation
January 28, 2025State Public Notification requested1 linked violation
January 28, 2025State Violation/Reminder Notice1 linked violation
July 18, 2007State Compliance achieved1 linked violation
July 12, 2007State Violation/Reminder Notice1 linked violation
October 1, 2002State Compliance achieved1 linked violation
June 3, 2002State Public Notification received1 linked violation
May 22, 2002State Violation/Reminder Notice1 linked violation
November 8, 2000State Public Notification received2 linked violations
October 25, 2000State Violation/Reminder Notice1 linked violation
June 22, 2000State Violation/Reminder Notice1 linked violation

Common questions

Is DUNCAN MHP (SC4660093) required to publish a Consumer Confidence Report?: Yes. DUNCAN MHP (SC4660093) 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 DUNCAN MHP (SC4660093)’s next Consumer Confidence Report due?: DUNCAN MHP (SC4660093)’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does DUNCAN MHP (SC4660093) have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for DUNCAN MHP (SC4660093).
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

DUNCAN, ALICE

803-487-8090

ROCK HILL, SC 29732