Public water system · IN5226009

Active

Gibson Water Authority

At a glance

Gibson Water Authority (PWSID IN5226009) is an active community water system in Gibson County, Indiana. It reports serving 4,835 people through 1,934 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, one is health-based, and the most recent began in October 2022.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

4,835

Service connections

1,934

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDIN5226009

System typeCommunity water system

Activity statusActive

Population served4,835

Service connections1,934

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyIN state drinking water program

City servedHaubstadt

StateIndiana

ZIP—

CountyGibson County

How does Gibson Water Authority compare with other water systems in Gibson County?

By EPA's size categories, Gibson Water Authority is a medium system (3,301 to 10,000 people). Gibson County has 12 active public water systems, and Gibson Water Authority is the 2nd-largest of them by population served. Its population served is about twice the county average of 2,401 people per system, and accounts for 17% of the 28,809 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active community water system reports serving 6,703 people, so Gibson Water Authority is about 28% below 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. Indiana has 770 active community water systems, 19% of the state's 3,969 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 82 Indiana systems (2.1%) list purchased surface water as their primary source.

Who owns and regulates Gibson Water Authority?

EPA lists Gibson Water Authority as owned by a local government. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 9 of the 12 active systems in Gibson County (75%) are also owned by a local government.

Does Gibson Water Authority have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2022. The violations listed here began between January 1995 and October 2022. By type: 9 monitoring and reporting, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (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.

Began	Violation	Contaminant or rule	Health-based	Status
2022-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2013-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2013-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2013-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2012-03-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2000-10-01	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
2000-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
1999-09-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
1998-05-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
1998-03-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
1997-08-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
1995-01-01	Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51	Lead and Copper Rulecode 5000	No	Resolved

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.

Gibson Water Authority: frequently asked questions

Who runs Gibson Water Authority?

Gibson Water Authority (PWSID IN5226009) is a community water system owned by a local government. It is regulated by the IN state drinking water program.

How many people does Gibson Water Authority serve?

Gibson Water Authority reports serving 4,835 people through 1,934 service connections in Gibson County, Indiana.

Where does Gibson Water Authority 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 Gibson Water Authority 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 October 2022. 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 Gibson Water Authority'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 October 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.

Where can I find Gibson Water Authority's water quality report?

As a community water system, Gibson Water Authority 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 Gibson County

Water system	County	Population served	Type	Source
Princeton Water Department	Gibson	10,875	Community	Groundwater
Fort Branch Water Department	Gibson	4,020	Community	Groundwater
Oakland City Water Department	Gibson	2,938	Community	Surface water
Owensville Water Works	Gibson	2,148	Community	Groundwater
Haubstadt Water Department	Gibson	1,600	Community	Purchased surface water
Francisco Water Department	Gibson	900	Community	Purchased 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, “Gibson Water Authority, PWSID IN5226009, Indiana”, https://aquacensus.com/water-systems/indiana/gibson-water-authority-in5226009 (data as of October 1, 2026).