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Public water system · IN5215008

Active

North Dearborn Water Authority

At a glance

North Dearborn Water Authority (PWSID IN5215008) is an active community water system in Dearborn County, Indiana. It reports serving 5,775 people through 2,310 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2000.

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

Population served

5,775

Service connections

2,310

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIN5215008
System typeCommunity water system
Activity statusActive
Population served5,775
Service connections2,310
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIN state drinking water program
City servedWest Harrison
StateIndiana
ZIP—
CountyDearborn County

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

By EPA's size categories, North Dearborn Water Authority is a medium system (3,301 to 10,000 people). Dearborn County has 10 active public water systems, and North Dearborn Water Authority is the 3rd-largest of them by population served. Its population served is about 23% above the county average of 4,691 people per system, and accounts for 12% of the 46,909 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 North Dearborn Water Authority is about 14% 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 North Dearborn Water Authority?

EPA lists North Dearborn 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. 8 of the 10 active systems in Dearborn County (80%) are also owned by a local government.

Does North Dearborn Water Authority have drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2000. The violations listed here began between June 1989 and October 2000. By type: 2 public notice, recordkeeping or other and 2 monitoring and reporting. The contaminants or rules involved are Consumer Confidence Rule, Total coliform bacteria (TCR) and Lead and Copper Rule. EPA lists 3 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2000-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
1994-08-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1994-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1989-06-29Public notice, recordkeeping or otherSanitary Survey (TCR) · code 28Not reportedNoArchived

All 4 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.

North Dearborn Water Authority: frequently asked questions

Who runs North Dearborn Water Authority?

North Dearborn Water Authority (PWSID IN5215008) is a community water system owned by a local government. It is regulated by the IN state drinking water program.

How many people does North Dearborn Water Authority serve?

North Dearborn Water Authority reports serving 5,775 people through 2,310 service connections in Dearborn County, Indiana.

Where does North Dearborn Water Authority 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 North Dearborn Water Authority have any drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2000. 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 North Dearborn 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. EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2000. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.

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

As a community water system, North Dearborn 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 Dearborn County

Water systemCountyPopulation servedTypeSource
Tri-Township Water CorporationDearborn10,435CommunityGroundwater
Aurora UtilitiesDearborn6,415CommunityGroundwater
Valley Rural Utility CompanyDearborn5,529CommunityPurchased groundwater
L-M-S Conservancy DistrictDearborn5,375CommunityGroundwater
City of Greendale UtilitiesDearborn5,092CommunityGroundwater
Lawrenceburg Municipal UtilitiesDearborn5,000CommunityGroundwater

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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, “North Dearborn Water Authority, PWSID IN5215008, Indiana”, https://aquacensus.com/water-systems/indiana/north-dearborn-water-authority-in5215008 (data as of October 1, 2026).