Skip to content
AquaCensus

Public water system · IN5218008

Active

Gaston Water Works

At a glance

Gaston Water Works (PWSID IN5218008) is an active community water system in Delaware County, Indiana. It reports serving 838 people through 335 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, none is health-based, and the most recent began in January 2023.

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

Population served

838

Service connections

335

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIN5218008
System typeCommunity water system
Activity statusActive
Population served838
Service connections335
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIN state drinking water program
City servedGaston
StateIndiana
ZIP—
CountyDelaware County

How does Gaston Water Works compare with other water systems in Delaware County?

By EPA's size categories, Gaston Water Works is a small system (501 to 3,300 people). Delaware County has 63 active public water systems. Its population served is about half of the county average of 1,544 people per system, and accounts for 0.9% of the 97,272 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 Gaston Water Works is well 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,769 Indiana systems (95%) list groundwater as their primary source.

Who owns and regulates Gaston Water Works?

EPA lists Gaston Water Works 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 63 active systems in Delaware County (14%) are also owned by a local government.

Does Gaston Water Works have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2023. The violations listed here began between January 2021 and January 2023. By type: 12 monitoring and reporting. The contaminants or rules involved are Haloacetic acids (HAA5), Total trihalomethanes (TTHM), trans-1,2-Dichloroethylene and 1,2,4-Trichlorobenzene. 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
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
2021-01-01Monitoring and reportingMonitoring, Regular · code 03trans-1,2-Dichloroethylenecode 2979NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Xylenes, Totalcode 2955NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoResolved

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.

Gaston Water Works: frequently asked questions

Who runs Gaston Water Works?

Gaston Water Works (PWSID IN5218008) is a community water system owned by a local government. It is regulated by the IN state drinking water program.

How many people does Gaston Water Works serve?

Gaston Water Works reports serving 838 people through 335 service connections in Delaware County, Indiana.

Where does Gaston Water Works 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 Gaston Water Works have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2023. 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 Gaston Water Works' 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, none is health-based, and the most recent began in January 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.

Where can I find Gaston Water Works' water quality report?

As a community water system, Gaston Water Works 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 Delaware County

Water systemCountyPopulation servedTypeSource
Indiana American Water - MuncieDelaware74,030CommunitySurface water
Yorktown Water DepartmentDelaware6,200CommunityGroundwater
Albany Water DepartmentDelaware2,165CommunityGroundwater
Eaton Water WorksDelaware1,595CommunityGroundwater
Daleville (Town of)Delaware1,560CommunityGroundwater
Park One WaterDelaware1,325Non-transient non-communityGroundwater

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, “Gaston Water Works, PWSID IN5218008, Indiana”, https://aquacensus.com/water-systems/indiana/gaston-water-works-in5218008 (data as of October 1, 2026).