Public water system · MI2025903
ActiveUs 131 Motorsports Park
At a glance
Us 131 Motorsports Park (PWSID MI2025903) is an active transient non-community water system in Allegan County, Michigan. It reports serving 2,000 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in May 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,000
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Us 131 Motorsports Park compare with other water systems in Allegan County?
By EPA's size categories, Us 131 Motorsports Park is a small system (501 to 3,300 people). Allegan County has 302 active public water systems. Its population served is about 5.8 times the county average of 345 people per system, and accounts for 1.9% of the 104,093 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 Us 131 Motorsports Park is about 14 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 Us 131 Motorsports Park?
EPA lists Us 131 Motorsports Park 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. 285 of the 302 active systems in Allegan County (94%) are also privately owned.
Does Us 131 Motorsports Park have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in May 2024. The violations listed here began between January 2006 and May 2024. By type: 4 monitoring and reporting, 3 monitoring, 2 reporting, 2 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (7 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. 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 |
|---|---|---|---|---|
| 2024-05-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-04-07 | ReportingReport Startup Procedures Cert Form (RTCR) · code 4C | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-04-07 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2023-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2020-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-01-01 | ReportingReport Startup Procedures Cert Form (RTCR) · code 4C | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2016-01-01 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Us 131 Motorsports Park: frequently asked questions
Who runs Us 131 Motorsports Park?
Us 131 Motorsports Park (PWSID MI2025903) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Us 131 Motorsports Park serve?
Us 131 Motorsports Park reports serving 2,000 people through 2 service connections in Allegan County, Michigan.
Where does Us 131 Motorsports Park 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 Us 131 Motorsports Park have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in May 2024. 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 Us 131 Motorsports Park'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, 2 are health-based, and the most recent began in May 2024. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Us 131 Motorsports Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Us 131 Motorsports Park 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 Allegan County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Allegan | Allegan | 5,930 | Community | Groundwater |
| Kalamazoo Lake Sewer & Water Authority | Allegan | 5,000 | Community | Groundwater |
| Wayland | Allegan | 4,435 | Community | Groundwater |
| Otsego | Allegan | 4,120 | Community | Groundwater |
| Plainwell | Allegan | 3,998 | Community | Groundwater |
| Bittersweet Ski Resort Inc. | Allegan | 3,500 | 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, “Us 131 Motorsports Park, PWSID MI2025903, Michigan”, https://aquacensus.com/water-systems/michigan/us-131-motorsports-park-mi2025903 (data as of October 1, 2026).