Public water system · MI2037772
ActiveHoughton Lake Ez Mart
At a glance
Houghton Lake Ez Mart (PWSID MI2037772) is an active transient non-community water system in Roscommon County, Michigan. It reports serving 300 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Houghton Lake Ez Mart compare with other water systems in Roscommon County?
By EPA's size categories, Houghton Lake Ez Mart is a very small system (500 people or fewer). Roscommon County has 222 active public water systems. Its population served is about 31% above the county average of 228 people per system, and accounts for 0.6% of the 50,696 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 Houghton Lake Ez Mart is about twice 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 Houghton Lake Ez Mart?
EPA lists Houghton Lake 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. 212 of the 222 active systems in Roscommon County (95%) are also privately owned.
Does Houghton Lake Ez Mart have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2017. The violations listed here began between January 2017 and January 2017. By type: 12 monitoring and reporting. The contaminants or rules involved are Styrene, Benzene, Ethylbenzene and 1,2-Dichloropropane. EPA lists 12 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 |
|---|---|---|---|---|
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | 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.
Houghton Lake Ez Mart: frequently asked questions
Who runs Houghton Lake Ez Mart?
Houghton Lake Ez Mart (PWSID MI2037772) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Houghton Lake Ez Mart serve?
Houghton Lake Ez Mart reports serving 300 people through 1 service connection in Roscommon County, Michigan.
Where does Houghton Lake 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 Houghton Lake Ez Mart have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2017. 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 Houghton Lake 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2017. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Houghton Lake Ez Mart's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Houghton Lake 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 Roscommon County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| South Higgins Lake State Park Campground | Roscommon | 5,024 | Transient non-community | Groundwater |
| South Higgins Lake State Park Store/Hq | Roscommon | 2,000 | Transient non-community | Groundwater |
| Mcdonalds (Prudenville) | Roscommon | 1,500 | Non-transient non-community | Groundwater |
| Mcdonalds (Houghton Lake) | Roscommon | 1,200 | Non-transient non-community | Groundwater |
| Roscommon, Village of | Roscommon | 1,075 | Community | Groundwater |
| Home Depot #2769 | Roscommon | 1,000 | Non-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, “Houghton Lake Ez Mart, PWSID MI2037772, Michigan”, https://aquacensus.com/water-systems/michigan/houghton-lake-ez-mart-mi2037772 (data as of October 1, 2026).