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Public water system · MI2025674

Active

Roadhouse 19

At a glance

Roadhouse 19 (PWSID MI2025674) is an active transient non-community water system in St. Clair County, Michigan. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 2016.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

25

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMI2025674
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountySt. Clair County

How does Roadhouse 19 compare with other water systems in St. Clair County?

By EPA's size categories, Roadhouse 19 is a very small system (500 people or fewer). St. Clair County has 96 active public water systems. Its population served is well below the county average of 1,246 people per system, and accounts for less than 0.1% of the 119,605 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 Roadhouse 19 is well below 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 Roadhouse 19?

EPA lists Roadhouse 19 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. 76 of the 96 active systems in St. Clair County (79%) are also privately owned.

Does Roadhouse 19 have drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 2016. The violations listed here began between January 2002 and January 2016. By type: 7 monitoring and reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 9 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.

BeganViolationContaminant or ruleHealth-basedStatus
2016-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2016-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2014-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2011-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2007-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2006-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2004-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved

All 9 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.

Roadhouse 19: frequently asked questions

Who runs Roadhouse 19?

Roadhouse 19 (PWSID MI2025674) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Roadhouse 19 serve?

Roadhouse 19 reports serving 25 people through 1 service connection in St. Clair County, Michigan.

Where does Roadhouse 19 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 Roadhouse 19 have any drinking water violations?

EPA's records list 9 violations for this system; 1 is 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 Roadhouse 19'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 9 violations for this system; 1 is 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 Roadhouse 19's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Roadhouse 19 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 St. Clair County

Water systemCountyPopulation servedTypeSource
Port Huron, City ofSt. Clair28,983CommunitySurface water
Port Huron TownshipSt. Clair10,654CommunityPurchased surface water
Marysville, City ofSt. Clair9,959CommunitySurface water
Clay TownshipSt. Clair9,866CommunityPurchased surface water
Ira TownshipSt. Clair6,510CommunitySurface water
St. Clair Water and Sewer AuthoritySt. Clair5,847CommunitySurface water

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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, “Roadhouse 19, PWSID MI2025674, Michigan”, https://aquacensus.com/water-systems/michigan/roadhouse-19-mi2025674 (data as of October 1, 2026).