Public water system · MI2042446
ActiveMichigan International Speedway
At a glance
Michigan International Speedway (PWSID MI2042446) is an active transient non-community water system in Lenawee County, Michigan. It reports serving 1,000 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 January 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,000
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Michigan International Speedway compare with other water systems in Lenawee County?
By EPA's size categories, Michigan International Speedway is a small system (501 to 3,300 people). Lenawee County has 182 active public water systems. Its population served is about 129% above the county average of 437 people per system, and accounts for 1.3% of the 79,516 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 Michigan International Speedway is about 6.9 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 Michigan International Speedway?
EPA lists Michigan International Speedway 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. 162 of the 182 active systems in Lenawee County (89%) are also privately owned.
Does Michigan International Speedway have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2016. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrate. 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 |
|---|---|---|---|---|
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Michigan International Speedway: frequently asked questions
Who runs Michigan International Speedway?
Michigan International Speedway (PWSID MI2042446) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Michigan International Speedway serve?
Michigan International Speedway reports serving 1,000 people through 1 service connection in Lenawee County, Michigan.
Where does Michigan International Speedway 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 Michigan International Speedway 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 January 2016. 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 Michigan International Speedway'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 January 2016. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Michigan International Speedway's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Michigan International Speedway 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 Lenawee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Adrian | Lenawee | 23,663 | Community | Surface water |
| Tecumseh | Lenawee | 8,521 | Community | Groundwater |
| The Groves of Michigan | Lenawee | 6,460 | Transient non-community | Groundwater |
| Madison Township | Lenawee | 3,480 | Community | Groundwater |
| Blissfield | Lenawee | 3,276 | Community | Surface water |
| Clinton | Lenawee | 2,336 | 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, “Michigan International Speedway, PWSID MI2042446, Michigan”, https://aquacensus.com/water-systems/michigan/michigan-international-speedway-mi2042446 (data as of October 1, 2026).