Public water system · OH1000112
ActiveMalvern Village Pws
At a glance
Malvern Village Pws (PWSID OH1000112) is an active community water system in Carroll County, Ohio. It reports serving 1,200 people through 585 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, 5 are health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,200
Service connections
585
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Malvern Village Pws compare with other water systems in Carroll County?
By EPA's size categories, Malvern Village Pws is a small system (501 to 3,300 people). Carroll County has 51 active public water systems, and Malvern Village Pws is the 4th-largest of them by population served. Its population served is about 4.4 times the county average of 272 people per system, and accounts for 8.7% of the 13,855 people reported by systems filed under the county. Across Ohio, the 3,854 active systems average 2,767 people each. Nationally, the average active community water system reports serving 6,703 people, so Malvern Village Pws 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. Ohio has 1,028 active community water systems, 27% 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 Malvern Village Pws?
EPA lists Malvern Village Pws as owned by a local government. 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. 2 of the 51 active systems in Carroll County (3.9%) are also owned by a local government.
Does Malvern Village Pws have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2026. The violations listed here began between May 1997 and January 2026. By type: 4 public notice, recordkeeping or other, 3 contaminant level above the legal limit, 2 required treatment not met, 2 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Consumer Confidence Rule (4 of them). EPA lists 6 as unaddressed and 6 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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 |
|---|---|---|---|---|
| 2026-01-07 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2025-05-29 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2024-12-02 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2024-01-25 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2023-08-28 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2020-10-28 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2020-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 1997-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
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.
Malvern Village Pws: frequently asked questions
Who runs Malvern Village Pws?
Malvern Village Pws (PWSID OH1000112) is a community water system owned by a local government. It is regulated by the OH state drinking water program.
How many people does Malvern Village Pws serve?
Malvern Village Pws reports serving 1,200 people through 585 service connections in Carroll County, Ohio.
Where does Malvern Village Pws 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 Malvern Village Pws have any drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2026. 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 Malvern Village Pws' 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, 5 are health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.
Where can I find Malvern Village Pws' water quality report?
As a community water system, Malvern Village Pws 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 Carroll County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Carrollton Village | Carroll | 3,055 | Community | Groundwater |
| Mwcd-Atwood Park | Carroll | 2,400 | Transient non-community | Surface water |
| Aqua Ohio - Mohawk Pws | Carroll | 2,376 | Community | Groundwater |
| Ffa Camp Muskingum | Carroll | 350 | Transient non-community | Groundwater |
| Neosa Salvation Army Camp | Carroll | 300 | Transient non-community | Groundwater |
| Dellroy Drive-in Restaurant | Carroll | 200 | Transient non-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, “Malvern Village Pws, PWSID OH1000112, Ohio”, https://aquacensus.com/water-systems/ohio/malvern-village-pws-oh1000112 (data as of October 1, 2026).