Skip to content
AquaCensus

Public water system · SC3310002

Active

Mullins City of (Sc3310002)

At a glance

Mullins City of (Sc3310002) (PWSID SC3310002) is an active community water system in Marion County, South Carolina. It reports serving 7,366 people through 3,315 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in October 2007.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

7,366

Service connections

3,315

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDSC3310002
System typeCommunity water system
Activity statusActive
Population served7,366
Service connections3,315
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencySC state drinking water program
City servedMullins
StateSouth Carolina
ZIP—
CountyMarion County

How does Mullins City of (Sc3310002) compare with other water systems in Marion County?

By EPA's size categories, Mullins City of (Sc3310002) is a medium system (3,301 to 10,000 people). Marion County has 6 active public water systems, and Mullins City of (Sc3310002) is the 3rd-largest of them by population served. Its population served is about 29% above the county average of 5,720 people per system, and accounts for 21% 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 Mullins City of (Sc3310002) is roughly in line with 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 Mullins City of (Sc3310002)?

EPA lists Mullins City of (Sc3310002) 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 Mullins City of (Sc3310002) have drinking water violations?

EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in October 2007. The violations listed here began between February 1992 and October 2007. By type: 5 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 resolved and 3 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. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2007-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2001-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2000-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1998-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1997-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1996-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
1994-11-10Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1993-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1992-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

All 9 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.

Mullins City of (Sc3310002): frequently asked questions

Who runs Mullins City of (Sc3310002)?

Mullins City of (Sc3310002) (PWSID SC3310002) is a community water system owned by a local government. It is regulated by the SC state drinking water program.

How many people does Mullins City of (Sc3310002) serve?

Mullins City of (Sc3310002) reports serving 7,366 people through 3,315 service connections in Marion County, South Carolina.

Where does Mullins City of (Sc3310002) 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 Mullins City of (Sc3310002) have any drinking water violations?

EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in October 2007. 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 Mullins City of (Sc3310002)'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 9 violations for this system; 4 are health-based, and the most recent began in October 2007. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.

Where can I find Mullins City of (Sc3310002)'s water quality report?

As a community water system, Mullins City of (Sc3310002) 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 systemCountyPopulation servedTypeSource
Marco Rural Water Co (Sc3320001)Marion17,120CommunityGroundwater
Gsw&Sa-Marion City of (Sc3310001)Marion9,104CommunityGroundwater
Gsw&Sa-Nichols Town of (3310003)Marion678CommunityGroundwater
Primo-Food Lion 1597 (Sc3380001)Marion26Transient non-communityPurchased groundwater
Primo-Walmart 1829 (Sc3380002)Marion26Transient non-communityPurchased groundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Mullins City of (Sc3310002), PWSID SC3310002, South Carolina”, https://aquacensus.com/water-systems/south-carolina/mullins-city-of-sc3310002-sc3310002 (data as of October 1, 2026).