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Public water system · GA0730000

Active

Columbia County

At a glance

Columbia County (PWSID GA0730000) is an active community water system in Columbia County, Georgia. It reports serving 124,763 people through 53,105 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in January 2025.

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

Population served

124,763

Service connections

53,105

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDGA0730000
System typeCommunity water system
Activity statusActive
Population served124,763
Service connections53,105
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyGA state drinking water program
City servedMartinez
StateGeorgia
ZIP—
CountyColumbia County

How does Columbia County compare with other water systems in Columbia County?

By EPA's size categories, Columbia County is a very large system (more than 100,000 people). Columbia County has 10 active public water systems, and Columbia County is the largest of them by population served. Its population served is about 8.6 times the county average of 14,491 people per system, and accounts for 86% of the 144,909 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 Columbia County is about 19 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 103 Georgia systems (4.3%) list surface water as their primary source.

Who owns and regulates Columbia County?

EPA lists Columbia County 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. 2 of the 10 active systems in Columbia County (20%) are also owned by a local government.

Does Columbia County have drinking water violations?

EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in January 2025. The violations listed here began between October 1996 and January 2025. By type: 4 monitoring and reporting, 3 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 8 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
2025-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2024-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2024-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2013-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2002-02-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2002-01-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2000-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
1996-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved

All 8 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.

Columbia County: frequently asked questions

Who runs Columbia County?

Columbia County (PWSID GA0730000) is a community water system owned by a local government. It is regulated by the GA state drinking water program.

How many people does Columbia County serve?

Columbia County reports serving 124,763 people through 53,105 service connections in Columbia County, Georgia.

Where does Columbia County 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 Columbia County have any drinking water violations?

EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in January 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 Columbia County'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 8 violations for this system; 3 are health-based, and the most recent began in January 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 Columbia County's water quality report?

As a community water system, Columbia County 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 Columbia County

Water systemCountyPopulation servedTypeSource
GrovetownColumbia18,464CommunityPurchased surface water
Tradewinds MarinaColumbia692Transient non-communityGroundwater
Augusta Sailing ClubColumbia302Transient non-communityGroundwater
Windy Acres Mobile Home ParkColumbia162CommunityGroundwater
Martinez Water Assoc.Columbia150CommunityGroundwater
Pineneedle Community LivingColumbia150CommunityGroundwater

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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, “Columbia County, PWSID GA0730000, Georgia”, https://aquacensus.com/water-systems/georgia/columbia-county-ga0730000 (data as of October 1, 2026).