Public water system · IN2460073
ActiveLaporte County Library - Union Mills
At a glance
Laporte County Library - Union Mills (PWSID IN2460073) is an active transient non-community water system in LaPorte County, Indiana. It reports serving 26 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
26
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Laporte County Library - Union Mills compare with other water systems in LaPorte County?
By EPA's size categories, Laporte County Library - Union Mills is a very small system (500 people or fewer). LaPorte County has 126 active public water systems. Its population served is well below the county average of 755 people per system, and accounts for less than 0.1% of the 95,092 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Laporte County Library - Union Mills is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Indiana has 2,596 active transient non-community water systems, 65% 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 Laporte County Library - Union Mills?
EPA lists Laporte County Library - Union Mills 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. 21 of the 126 active systems in LaPorte County (17%) are also owned by a local government.
Does Laporte County Library - Union Mills have drinking water violations?
EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in October 2025. The violations listed here began between October 2005 and October 2025. By type: 2 monitoring, 2 contaminant level above the legal limit, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Groundwater Rule (2 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2025-10-24 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2025-07-01 | Public notice, recordkeeping or otherFailure to Consult with State · code 20 | Groundwater Rulecode 0700 | No | Resolved |
| 2020-09-01 | MonitoringMonitoring, Additional Routine (RTCR) · code 3B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-09-01 | MonitoringMonitoring, Additional Routine (RTCR) · code 3B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2012-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2005-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 6 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.
Laporte County Library - Union Mills: frequently asked questions
Who runs Laporte County Library - Union Mills?
Laporte County Library - Union Mills (PWSID IN2460073) is a transient non-community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Laporte County Library - Union Mills serve?
Laporte County Library - Union Mills reports serving 26 people through 1 service connection in LaPorte County, Indiana.
Where does Laporte County Library - Union Mills 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 Laporte County Library - Union Mills have any drinking water violations?
EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in October 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 Laporte County Library - Union Mills' 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 6 violations for this system; 3 are health-based, and the most recent began in October 2025. For current results, consult EPA ECHO, or the IN state drinking water program.
Where can I find Laporte County Library - Union Mills' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Laporte County Library - Union Mills is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in LaPorte County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Michigan City Department of Water Works | LaPorte | 33,996 | Community | Surface water |
| Laporte Water Works | LaPorte | 22,197 | Community | Groundwater |
| Westville Correctional Facility | LaPorte | 2,850 | Community | Groundwater |
| Long Beach Water Department | LaPorte | 2,050 | Community | Purchased surface water |
| South Coast Conservancy District | LaPorte | 2,013 | Community | Purchased groundwater |
| Kingsford Heights Water | LaPorte | 1,800 | Community | Groundwater |
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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, “Laporte County Library - Union Mills, PWSID IN2460073, Indiana”, https://aquacensus.com/water-systems/indiana/laporte-county-library-union-mills-in2460073 (data as of October 1, 2026).