Public water system · MI2018240
ActiveRapid City Ez Mart
At a glance
Rapid City Ez Mart (PWSID MI2018240) is an active transient non-community water system in Kalkaska County, Michigan. It reports serving 200 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Rapid City Ez Mart compare with other water systems in Kalkaska County?
By EPA's size categories, Rapid City Ez Mart is a very small system (500 people or fewer). Kalkaska County has 69 active public water systems, and Rapid City Ez Mart is the 4th-largest of them by population served. Its population served is about 87% above the county average of 107 people per system, and accounts for 2.7% of the 7,377 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 Rapid City Ez Mart is about 39% above 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 Rapid City Ez Mart?
EPA lists Rapid City Ez Mart 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. 61 of the 69 active systems in Kalkaska County (88%) are also privately owned.
Does Rapid City Ez Mart have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2019. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2019-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
The one violation in EPA's records.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.
Rapid City Ez Mart: frequently asked questions
Who runs Rapid City Ez Mart?
Rapid City Ez Mart (PWSID MI2018240) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Rapid City Ez Mart serve?
Rapid City Ez Mart reports serving 200 people through 1 service connection in Kalkaska County, Michigan.
Where does Rapid City Ez Mart 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 Rapid City Ez Mart have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2019. 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 Rapid City Ez Mart'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 one violation for this system; it is not health-based, and the most recent began in July 2019. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Rapid City Ez Mart's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Rapid City Ez Mart 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 Kalkaska County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kalkaska, Village of | Kalkaska | 2,020 | Community | Groundwater |
| Forest Area High School | Kalkaska | 400 | Non-transient non-community | Groundwater |
| St. Mary'S of the Woods Church | Kalkaska | 400 | Transient non-community | Groundwater |
| Yankee Boy | Kalkaska | 200 | Transient non-community | Groundwater |
| St. Paul Lutheran Church - Kalkaska | Kalkaska | 200 | Transient non-community | Groundwater |
| Crossroads Saloon, Inc. | Kalkaska | 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, “Rapid City Ez Mart, PWSID MI2018240, Michigan”, https://aquacensus.com/water-systems/michigan/rapid-city-ez-mart-mi2018240 (data as of October 1, 2026).