Public water system · SC3510001
ActiveMccormick Cpw (Sc3510001)
At a glance
Mccormick Cpw (Sc3510001) (PWSID SC3510001) is an active community water system in McCormick County, South Carolina. It reports serving 1,749 people through 1,046 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,749
Service connections
1,046
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Mccormick Cpw (Sc3510001) compare with other water systems in McCormick County?
By EPA's size categories, Mccormick Cpw (Sc3510001) is a small system (501 to 3,300 people). McCormick County has 7 active public water systems, and Mccormick Cpw (Sc3510001) is the 2nd-largest of them by population served. Its population served is about 16% above the county average of 1,509 people per system, and accounts for 17% of the 10,564 people reported by systems filed under the county. Across South Carolina, the 1,392 active systems average 3,511 people each. Nationally, the average active community water system reports serving 6,703 people, so Mccormick Cpw (Sc3510001) is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. South Carolina has 567 active community water systems, 41% of the state's 1,392 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 53 South Carolina systems (3.8%) list surface water as their primary source.
Who owns and regulates Mccormick Cpw (Sc3510001)?
EPA lists Mccormick Cpw (Sc3510001) as owned by a local government. The SC state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 7 active systems in McCormick County (43%) are also owned by a local government.
Does Mccormick Cpw (Sc3510001) have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2022. The violations listed here began between January 1993 and October 2022. By type: 6 monitoring and reporting, 3 contaminant level above the legal limit, 2 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2022-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2022-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2020-12-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2020-12-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2007-07-01 | Required treatment not metTreatment Technique Precursor Removal · code 46 | Carbon, totalcode 2920 | Yes | Resolved |
| 1993-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1993-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Mccormick Cpw (Sc3510001): frequently asked questions
Who runs Mccormick Cpw (Sc3510001)?
Mccormick Cpw (Sc3510001) (PWSID SC3510001) is a community water system owned by a local government. It is regulated by the SC state drinking water program.
How many people does Mccormick Cpw (Sc3510001) serve?
Mccormick Cpw (Sc3510001) reports serving 1,749 people through 1,046 service connections in McCormick County, South Carolina.
Where does Mccormick Cpw (Sc3510001) get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Mccormick Cpw (Sc3510001) have any drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2022. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Mccormick Cpw (Sc3510001)'s water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.
Where can I find Mccormick Cpw (Sc3510001)'s water quality report?
As a community water system, Mccormick Cpw (Sc3510001) must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in McCormick County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mccormick Co W&Sa (Sc3520002) | McCormick | 8,500 | Community | Purchased surface water |
| Scprt-Hamilton Branch (3570603) | McCormick | 200 | Transient non-community | Groundwater |
| Hawe Creek Cg (Sc3570654) | McCormick | 37 | Transient non-community | Groundwater |
| Chigger Ridge Campground (3570800) | McCormick | 26 | Transient non-community | Groundwater |
| Rocky Creek Christian Retreat (1970675) | McCormick | 26 | Transient non-community | Groundwater |
| Dorn Boating and Fishing Fac (3570904) | McCormick | 26 | Transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Mccormick Cpw (Sc3510001), PWSID SC3510001, South Carolina”, https://aquacensus.com/water-systems/south-carolina/mccormick-cpw-sc3510001-sc3510001 (data as of October 1, 2026).