Public water system · OH7049212
ActiveMilliron Auto Parts
At a glance
Milliron Auto Parts (PWSID OH7049212) is an active transient non-community water system in Richland County, Ohio. It reports serving 61 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 4 are health-based, and the most recent began in October 2002.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
61
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Milliron Auto Parts compare with other water systems in Richland County?
By EPA's size categories, Milliron Auto Parts is a very small system (500 people or fewer). Richland County has 106 active public water systems. Its population served is well below the county average of 942 people per system, and accounts for less than 0.1% of the 99,812 people reported by systems filed under the county. Across Ohio, the 3,854 active systems average 2,767 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Milliron Auto Parts is about 58% 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. Ohio has 2,282 active transient non-community water systems, 59% of the state's 3,854 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,446 Ohio systems (89%) list groundwater as their primary source.
Who owns and regulates Milliron Auto Parts?
EPA lists Milliron Auto Parts as privately owned. The OH state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 94 of the 106 active systems in Richland County (89%) are also privately owned.
Does Milliron Auto Parts have drinking water violations?
EPA's records list 5 violations for this system; 4 are health-based, and the most recent began in October 2002. The violations listed here began between July 1998 and October 2002. By type: 4 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2002-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 5 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.
Milliron Auto Parts: frequently asked questions
Who runs Milliron Auto Parts?
Milliron Auto Parts (PWSID OH7049212) is a transient non-community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Milliron Auto Parts serve?
Milliron Auto Parts reports serving 61 people through 1 service connection in Richland County, Ohio.
Where does Milliron Auto Parts 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 Milliron Auto Parts have any drinking water violations?
EPA's records list 5 violations for this system; 4 are health-based, and the most recent began in October 2002. 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 Milliron Auto Parts' 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 5 violations for this system; 4 are health-based, and the most recent began in October 2002. For current results, consult EPA ECHO, or the OH state drinking water program.
Where can I find Milliron Auto Parts' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Milliron Auto Parts 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 Richland County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mansfield City | Richland | 51,000 | Community | Surface water |
| Shelby City | Richland | 9,453 | Community | Surface water |
| Ontario City | Richland | 6,756 | Community | Groundwater |
| Lexington Village | Richland | 4,825 | Community | Groundwater |
| Madison Water District | Richland | 2,050 | Community | Groundwater |
| Bellville Village | Richland | 1,918 | 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, “Milliron Auto Parts, PWSID OH7049212, Ohio”, https://aquacensus.com/water-systems/ohio/milliron-auto-parts-oh7049212 (data as of October 1, 2026).