Public water system · MI2026464
ActivePentwater Convenience Store
At a glance
Pentwater Convenience Store (PWSID MI2026464) is an active transient non-community water system in Oceana County, Michigan. It reports serving 500 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
500
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Pentwater Convenience Store compare with other water systems in Oceana County?
By EPA's size categories, Pentwater Convenience Store is a very small system (500 people or fewer). Oceana County has 129 active public water systems. Its population served is about twice the county average of 236 people per system, and accounts for 1.6% of the 30,487 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Pentwater Convenience Store is about 3.5 times 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. Michigan has 7,865 active transient non-community water systems, 74% of the state's 10,599 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,214 Michigan systems (96%) list groundwater as their primary source.
Who owns and regulates Pentwater Convenience Store?
EPA lists Pentwater Convenience Store as privately owned. 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. 122 of the 129 active systems in Oceana County (95%) are also privately owned.
Does Pentwater Convenience Store have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2020. The violations listed here began between April 2001 and January 2020. By type: 2 monitoring and reporting. The contaminants or rules involved are Nitrite and Total coliform bacteria (TCR). EPA lists 2 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 |
|---|---|---|---|---|
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2001-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
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.
Pentwater Convenience Store: frequently asked questions
Who runs Pentwater Convenience Store?
Pentwater Convenience Store (PWSID MI2026464) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Pentwater Convenience Store serve?
Pentwater Convenience Store reports serving 500 people through 1 service connection in Oceana County, Michigan.
Where does Pentwater Convenience Store 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 Pentwater Convenience Store have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2020. 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 Pentwater Convenience Store'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; none is health-based, and the most recent began in January 2020. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Pentwater Convenience Store's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Pentwater Convenience Store 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 Oceana County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hart | Oceana | 2,126 | Community | Groundwater |
| Shelby | Oceana | 1,964 | Community | Groundwater |
| Gateway Plaza Hart | Oceana | 1,103 | Non-transient non-community | Groundwater |
| Rothbury Wesco - Store #51 | Oceana | 900 | Transient non-community | Groundwater |
| Pentwater | Oceana | 857 | Community | Groundwater |
| Wishing Well Ez Mart #899 | Oceana | 850 | Transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Pentwater Convenience Store, PWSID MI2026464, Michigan”, https://aquacensus.com/water-systems/michigan/pentwater-convenience-store-mi2026464 (data as of October 1, 2026).