Public water system · SC3320001
ActiveMarco Rural Water Co (Sc3320001)
At a glance
Marco Rural Water Co (Sc3320001) (PWSID SC3320001) is an active community water system in Marion County, South Carolina. It reports serving 17,120 people through 6,634 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in August 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
17,120
Service connections
6,634
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Marco Rural Water Co (Sc3320001) compare with other water systems in Marion County?
By EPA's size categories, Marco Rural Water Co (Sc3320001) is a large system (10,001 to 100,000 people). Marion County has 6 active public water systems, and Marco Rural Water Co (Sc3320001) is the largest of them by population served. Its population served is about 199% above the county average of 5,720 people per system, and accounts for 50% of the 34,320 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 Marco Rural Water Co (Sc3320001) is about 155% above 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 Marco Rural Water Co (Sc3320001)?
EPA lists Marco Rural Water Co (Sc3320001) 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. 4 of the 6 active systems in Marion County (67%) are also owned by a local government.
Does Marco Rural Water Co (Sc3320001) have drinking water violations?
EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in August 2006. The violations listed here began between July 1984 and August 2006. By type: 6 monitoring and reporting and 4 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 6 as archived and 4 as resolved. 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. 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 |
|---|---|---|---|---|
| 2006-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2005-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2005-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2001-02-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1992-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1992-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-03-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1984-07-23 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Fluoridecode 1025 | Yes | Archived |
All 10 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.
Marco Rural Water Co (Sc3320001): frequently asked questions
Who runs Marco Rural Water Co (Sc3320001)?
Marco Rural Water Co (Sc3320001) (PWSID SC3320001) is a community water system owned by a local government. It is regulated by the SC state drinking water program.
How many people does Marco Rural Water Co (Sc3320001) serve?
Marco Rural Water Co (Sc3320001) reports serving 17,120 people through 6,634 service connections in Marion County, South Carolina.
Where does Marco Rural Water Co (Sc3320001) 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 Marco Rural Water Co (Sc3320001) have any drinking water violations?
EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in August 2006. 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 Marco Rural Water Co (Sc3320001)'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. EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in August 2006. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.
Where can I find Marco Rural Water Co (Sc3320001)'s water quality report?
As a community water system, Marco Rural Water Co (Sc3320001) 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 Marion County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Gsw&Sa-Marion City of (Sc3310001) | Marion | 9,104 | Community | Groundwater |
| Mullins City of (Sc3310002) | Marion | 7,366 | Community | Groundwater |
| Gsw&Sa-Nichols Town of (3310003) | Marion | 678 | Community | Groundwater |
| Primo-Food Lion 1597 (Sc3380001) | Marion | 26 | Transient non-community | Purchased groundwater |
| Primo-Walmart 1829 (Sc3380002) | Marion | 26 | Transient non-community | Purchased 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, “Marco Rural Water Co (Sc3320001), PWSID SC3320001, South Carolina”, https://aquacensus.com/water-systems/south-carolina/marco-rural-water-co-sc3320001-sc3320001 (data as of October 1, 2026).