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Public water system · MS0510011

Active

City of Union

At a glance

City of Union (PWSID MS0510011) is an active community water system in Newton County, Mississippi. It reports serving 3,432 people through 1,300 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2024.

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

Population served

3,432

Service connections

1,300

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMS0510011
System typeCommunity water system
Activity statusActive
Population served3,432
Service connections1,300
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMS state drinking water program
City served—
StateMississippi
ZIP—
CountyNewton County

How does City of Union compare with other water systems in Newton County?

By EPA's size categories, City of Union is a medium system (3,301 to 10,000 people). Newton County has 11 active public water systems, and City of Union is the largest of them by population served. Its population served is about 76% above the county average of 1,952 people per system, and accounts for 16% of the 21,475 people reported by systems filed under the county. Across Mississippi, the 1,133 active systems average 2,832 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Union is about half of 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. Mississippi has 947 active community water systems, 84% of the state's 1,133 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,053 Mississippi systems (93%) list groundwater as their primary source.

Who owns and regulates City of Union?

EPA lists City of Union as owned by a local government. The MS state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 5 of the 11 active systems in Newton County (45%) are also owned by a local government.

Does City of Union have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2024. The violations listed here began between April 2011 and January 2024. By type: 11 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Radium-228 (4 of them). EPA lists 11 as resolved and 1 as addressed. 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. Addressed means the violation is not resolved or archived and is covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2024-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2024-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2019-08-01Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesAddressed
2012-04-01Monitoring and reportingMonitoring, Regular · code 03Radium-228code 4030NoResolved
2012-04-01Monitoring and reportingMonitoring, Regular · code 03Radium-226code 4020NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Radium-228code 4030NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Radium-226code 4020NoResolved
2011-10-01Monitoring and reportingMonitoring, Regular · code 03Radium-228code 4030NoResolved
2011-07-01Monitoring and reportingMonitoring, Regular · code 03Radium-228code 4030NoResolved
2011-04-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoResolved

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.

City of Union: frequently asked questions

Who runs City of Union?

City of Union (PWSID MS0510011) is a community water system owned by a local government. It is regulated by the MS state drinking water program.

How many people does City of Union serve?

City of Union reports serving 3,432 people through 1,300 service connections in Newton County, Mississippi.

Where does City of Union 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 City of Union have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2024. 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 City of Union'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, one is health-based, and the most recent began in January 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MS state drinking water program.

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

As a community water system, City of Union 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 Newton County

Water systemCountyPopulation servedTypeSource
City of NewtonNewton3,373CommunityGroundwater
Town of HickoryNewton2,669CommunityGroundwater
North Decatur W/A #1Newton2,455CommunityGroundwater
Beulah Hubbard Water Assn, Inc.Newton2,318CommunityGroundwater
South Newton Rural W/A #1Newton2,167CommunityGroundwater
Town of DecaturNewton1,945CommunityGroundwater

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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, “City of Union, PWSID MS0510011, Mississippi”, https://aquacensus.com/water-systems/mississippi/city-of-union-ms0510011 (data as of October 1, 2026).