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Public water system · GA1210010

Active

Union City

At a glance

Union City (PWSID GA1210010) is an active community water system in Fulton County, Georgia. It reports serving 18,636 people through 4,500 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2025.

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

Population served

18,636

Service connections

4,500

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDGA1210010
System typeCommunity water system
Activity statusActive
Population served18,636
Service connections4,500
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyGA state drinking water program
City servedUnion City
StateGeorgia
ZIP—
CountyFulton County

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

By EPA's size categories, Union City is a large system (10,001 to 100,000 people). Fulton County has 10 active public water systems, and Union City is the 4th-largest of them by population served. Its population served is about 66% below the county average of 54,661 people per system, and accounts for 3.4% of the 546,612 people reported by systems filed under the county. Across Georgia, the 2,375 active systems average 4,525 people each. Nationally, the average active community water system reports serving 6,703 people, so Union City is about 178% 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. Georgia has 1,724 active community water systems, 73% of the state's 2,375 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 138 Georgia systems (5.8%) list purchased surface water as their primary source.

Who owns and regulates Union City?

EPA lists Union City as owned by a local government. The GA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 10 of the 10 active systems in Fulton County (100%) are also owned by a local government.

Does Union City have drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2025. The violations listed here began between October 2017 and October 2025. By type: 9 contaminant level above the legal limit and 3 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (5 of them). EPA lists 12 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
2025-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2025-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2025-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2022-05-28Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2022-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2021-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2021-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2021-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2021-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2021-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2020-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2017-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved

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.

Union City: frequently asked questions

Who runs Union City?

Union City (PWSID GA1210010) is a community water system owned by a local government. It is regulated by the GA state drinking water program.

How many people does Union City serve?

Union City reports serving 18,636 people through 4,500 service connections in Fulton County, Georgia.

Where does Union City get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Union City have any drinking water violations?

Of the 12 most recent violations in EPA's records, 9 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 Union City'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, 9 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 GA state drinking water program.

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

As a community water system, Union City 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 Fulton County

Water systemCountyPopulation servedTypeSource
North Fulton CountyFulton434,517CommunityPurchased surface water
East PointFulton33,712CommunitySurface water
College ParkFulton20,382CommunityPurchased surface water
RoswellFulton14,300CommunitySurface water
FairburnFulton14,000CommunityPurchased surface water
HapevilleFulton5,790CommunityPurchased surface water

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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, “Union City, PWSID GA1210010, Georgia”, https://aquacensus.com/water-systems/georgia/union-city-ga1210010 (data as of October 1, 2026).