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AquaCensus

Public water system · IN5290002

Active

Ossian Municipal Water Department

At a glance

Ossian Municipal Water Department (PWSID IN5290002) is an active community water system in Wells County, Indiana. It reports serving 3,289 people through 1,305 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 2024.

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

Population served

3,289

Service connections

1,305

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIN5290002
System typeCommunity water system
Activity statusActive
Population served3,289
Service connections1,305
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIN state drinking water program
City servedOssian
StateIndiana
ZIP—
CountyWells County

How does Ossian Municipal Water Department compare with other water systems in Wells County?

By EPA's size categories, Ossian Municipal Water Department is a small system (501 to 3,300 people). Wells County has 25 active public water systems, and Ossian Municipal Water Department is the 2nd-largest of them by population served. Its population served is about 3.9 times the county average of 845 people per system, and accounts for 16% of the 21,120 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 Ossian Municipal Water Department is about half of 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 Ossian Municipal Water Department?

EPA lists Ossian Municipal Water Department 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. 7 of the 25 active systems in Wells County (28%) are also owned by a local government.

Does Ossian Municipal Water Department 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 2024. The violations listed here began between January 2002 and January 2024. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Nitrate (4 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
2024-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Antimonycode 1074NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Cyanidecode 1024NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Nickelcode 1036NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Antimonycode 1074NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Seleniumcode 1045NoResolved

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.

Ossian Municipal Water Department: frequently asked questions

Who runs Ossian Municipal Water Department?

Ossian Municipal Water Department (PWSID IN5290002) is a community water system owned by a local government. It is regulated by the IN state drinking water program.

How many people does Ossian Municipal Water Department serve?

Ossian Municipal Water Department reports serving 3,289 people through 1,305 service connections in Wells County, Indiana.

Where does Ossian Municipal Water Department 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 Ossian Municipal Water Department 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 2024. 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 Ossian Municipal Water Department'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, none is health-based, and the most recent began in January 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.

Where can I find Ossian Municipal Water Department's water quality report?

As a community water system, Ossian Municipal Water Department 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 Wells County

Water systemCountyPopulation servedTypeSource
Bluffton Utilities Water DeptWells10,298CommunityGroundwater
Southern Wells Jr./Sr. High - Well 1Wells980Non-transient non-communityGroundwater
Bummies B & K Root BeerWells962Transient non-communityGroundwater
Norwell High SchoolWells900Non-transient non-communityGroundwater
Apostolic Christian ChurchWells800Transient non-communityGroundwater
Norwell Middle SchoolWells720Non-transient non-communityGroundwater

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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, “Ossian Municipal Water Department, PWSID IN5290002, Indiana”, https://aquacensus.com/water-systems/indiana/ossian-municipal-water-department-in5290002 (data as of October 1, 2026).