Public water system · MI0005232
ActivePennfield Twp-Convis/Verona
At a glance
Pennfield Twp-Convis/Verona (PWSID MI0005232) is an active community water system in Calhoun County, Michigan. It reports serving 1 people through 314 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1
Service connections
314
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Pennfield Twp-Convis/Verona compare with other water systems in Calhoun County?
By EPA's size categories, Pennfield Twp-Convis/Verona is a very small system (500 people or fewer). Calhoun County has 141 active public water systems. Its population served is well below the county average of 666 people per system, and accounts for less than 0.1% of the 93,883 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active community water system reports serving 6,703 people, so Pennfield Twp-Convis/Verona 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. Michigan has 1,332 active community water systems, 13% of the state's 10,599 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 42 Michigan systems (0.4%) list purchased groundwater as their primary source.
Who owns and regulates Pennfield Twp-Convis/Verona?
EPA lists Pennfield Twp-Convis/Verona as owned by a local government. The MI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 10 of the 141 active systems in Calhoun County (7.1%) are also owned by a local government.
Does Pennfield Twp-Convis/Verona have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in January 2026. The violations listed here began between July 2025 and January 2026. By type: 1 contaminant level above the legal limit and 1 reporting. The contaminants or rules involved are Total trihalomethanes (TTHM) and Lead and Copper Rule Revisions. EPA lists 1 as archived and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
All 2 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.
Pennfield Twp-Convis/Verona: frequently asked questions
Who runs Pennfield Twp-Convis/Verona?
Pennfield Twp-Convis/Verona (PWSID MI0005232) is a community water system owned by a local government. It is regulated by the MI state drinking water program.
How many people does Pennfield Twp-Convis/Verona serve?
Pennfield Twp-Convis/Verona reports serving 1 people through 314 service connections in Calhoun County, Michigan.
Where does Pennfield Twp-Convis/Verona get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Pennfield Twp-Convis/Verona have any drinking water violations?
EPA's records list 2 violations for this system; 1 is 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 Pennfield Twp-Convis/Verona'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 2 violations for this system; 1 is 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 MI state drinking water program.
Where can I find Pennfield Twp-Convis/Verona's water quality report?
As a community water system, Pennfield Twp-Convis/Verona 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 Calhoun County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Battle Creek - Verona System | Calhoun | 43,975 | Community | Groundwater |
| Albion | Calhoun | 9,144 | Community | Groundwater |
| Marshall | Calhoun | 7,088 | Community | Groundwater |
| Pennfield Township | Calhoun | 3,916 | Community | Groundwater |
| Springfield | Calhoun | 3,833 | Community | Purchased groundwater |
| Emmett Township | Calhoun | 2,550 | Community | Purchased 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, “Pennfield Twp-Convis/Verona, PWSID MI0005232, Michigan”, https://aquacensus.com/water-systems/michigan/pennfield-twp-convis-verona-mi0005232 (data as of October 1, 2026).