Skip to content
AquaCensus

Public water system · SC4410001

Active

Union City of (Sc4410001)

At a glance

Union City of (Sc4410001) (PWSID SC4410001) is an active community water system in Union County, South Carolina. It reports serving 13,076 people through 6,436 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 2003.

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

Population served

13,076

Service connections

6,436

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDSC4410001
System typeCommunity water system
Activity statusActive
Population served13,076
Service connections6,436
Primary water sourceSurface water
Owner typeLocal government
Primacy agencySC state drinking water program
City servedUnion
StateSouth Carolina
ZIP—
CountyUnion County

How does Union City of (Sc4410001) compare with other water systems in Union County?

By EPA's size categories, Union City of (Sc4410001) is a large system (10,001 to 100,000 people). Union County has 8 active public water systems, and Union City of (Sc4410001) is the largest of them by population served. Its population served is about 3.3 times the county average of 3,968 people per system, and accounts for 41% of the 31,744 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 Union City of (Sc4410001) is about twice 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 Union City of (Sc4410001)?

EPA lists Union City of (Sc4410001) 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. 8 of the 8 active systems in Union County (100%) are also owned by a local government.

Does Union City of (Sc4410001) have drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 2003. The violations listed here began between January 1993 and January 2003. By type: 8 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Nitrate (3 of them). EPA lists 9 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.

BeganViolationContaminant or ruleHealth-basedStatus
2003-01-01Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
1993-07-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1993-04-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Chromiumcode 1020NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Seleniumcode 1045NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Bariumcode 1010NoResolved

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.

Union City of (Sc4410001): frequently asked questions

Who runs Union City of (Sc4410001)?

Union City of (Sc4410001) (PWSID SC4410001) is a community water system owned by a local government. It is regulated by the SC state drinking water program.

How many people does Union City of (Sc4410001) serve?

Union City of (Sc4410001) reports serving 13,076 people through 6,436 service connections in Union County, South Carolina.

Where does Union City of (Sc4410001) 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 Union City of (Sc4410001) have any drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 2003. 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 Union City of (Sc4410001)'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; 1 is health-based, and the most recent began in January 2003. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.

Where can I find Union City of (Sc4410001)'s water quality report?

As a community water system, Union City of (Sc4410001) 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 Union County

Water systemCountyPopulation servedTypeSource
Meansville Riley W/D (Sc4420001)Union7,368CommunityPurchased surface water
Santuck Hebron Water Co (Sc4420007)Union3,109CommunityPurchased surface water
Browns Creek W/D (Sc4420002)Union2,790CommunityPurchased surface water
Rocky Creek W/D (Sc4420003)Union2,464CommunityPurchased surface water
Jonesville Town of (Sc4410002)Union1,886CommunityPurchased surface water
Carlisle Town of (4410003)Union555CommunityPurchased surface water

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, “Union City of (Sc4410001), PWSID SC4410001, South Carolina”, https://aquacensus.com/water-systems/south-carolina/union-city-of-sc4410001-sc4410001 (data as of October 1, 2026).