Public water system · SC4060012
Active611 Harmon LLC (Sc4060012)
At a glance
611 Harmon LLC (Sc4060012) (PWSID SC4060012) is an active community water system in Richland County, South Carolina. It reports serving 24 people through 21 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
24
Service connections
21
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does 611 Harmon LLC (Sc4060012) compare with other water systems in Richland County?
By EPA's size categories, 611 Harmon LLC (Sc4060012) is a very small system (500 people or fewer). Richland County has 76 active public water systems. Its population served is well below the county average of 5,214 people per system, and accounts for less than 0.1% of the 396,265 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 611 Harmon LLC (Sc4060012) 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 933 South Carolina systems (67%) list groundwater as their primary source.
Who owns and regulates 611 Harmon LLC (Sc4060012)?
EPA lists 611 Harmon LLC (Sc4060012) as privately owned. 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. 60 of the 76 active systems in Richland County (79%) are also privately owned.
Does 611 Harmon LLC (Sc4060012) have drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2025. The violations listed here began between December 2004 and October 2025. By type: 4 monitoring and reporting, 3 public notice, recordkeeping or other, 2 required treatment not met, 2 contaminant level above the legal limit and 1 reporting. The contaminant or rule involved most often is Consumer Confidence Rule (3 of them). EPA lists 9 as resolved, 2 as unaddressed and 1 as archived. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2021-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2018-06-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2014-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2012-01-01 | Required treatment not metPublic Education · code 65 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2010-12-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-12-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2005-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2004-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
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.
611 Harmon LLC (Sc4060012): frequently asked questions
Who runs 611 Harmon LLC (Sc4060012)?
611 Harmon LLC (Sc4060012) (PWSID SC4060012) is a community water system privately owned. It is regulated by the SC state drinking water program.
How many people does 611 Harmon LLC (Sc4060012) serve?
611 Harmon LLC (Sc4060012) reports serving 24 people through 21 service connections in Richland County, South Carolina.
Where does 611 Harmon LLC (Sc4060012) get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does 611 Harmon LLC (Sc4060012) have any drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2025. 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 611 Harmon LLC (Sc4060012)'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, 4 are health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.
Where can I find 611 Harmon LLC (Sc4060012)'s water quality report?
As a community water system, 611 Harmon LLC (Sc4060012) 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 Richland County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Columbia City of (Sc4010001) | Richland | 354,068 | Community | Surface water |
| Fort Jackson (Sc4010501) | Richland | 31,000 | Community | Purchased surface water |
| Hopkins Community Water System (4020002) | Richland | 2,200 | Community | Groundwater |
| Mccrady Training Center (Sc4070911) | Richland | 1,200 | Non-transient non-community | Groundwater |
| Bgwc Raintree Acres (Sc4050015) | Richland | 799 | Community | Purchased surface water |
| Sylvamo Eastover Mill (Sc4030005) | Richland | 750 | Non-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, “611 Harmon LLC (Sc4060012), PWSID SC4060012, South Carolina”, https://aquacensus.com/water-systems/south-carolina/611-harmon-llc-sc4060012-sc4060012 (data as of October 1, 2026).