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Public water system · MI2007467

Active

Mdot - Tustin, R305

At a glance

Mdot - Tustin, R305 (PWSID MI2007467) is an active transient non-community water system in Osceola County, Michigan. It reports serving 825 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 11 violations for this system; 1 is health-based, and the most recent began in October 2023.

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

Population served

825

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMI2007467
System typeTransient non-community water system
Activity statusActive
Population served825
Service connections1
Primary water sourceGroundwater
Owner typeState government
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyOsceola County

How does Mdot - Tustin, R305 compare with other water systems in Osceola County?

By EPA's size categories, Mdot - Tustin, R305 is a small system (501 to 3,300 people). Osceola County has 92 active public water systems, and Mdot - Tustin, R305 is the 6th-largest of them by population served. Its population served is about 3.3 times the county average of 247 people per system, and accounts for 3.6% of the 22,697 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 Mdot - Tustin, R305 is about 5.7 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 Mdot - Tustin, R305?

EPA lists Mdot - Tustin, R305 as owned by a state government. 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. 2 of the 92 active systems in Osceola County (2.2%) are also owned by a state government.

Does Mdot - Tustin, R305 have drinking water violations?

EPA's records list 11 violations for this system; 1 is health-based, and the most recent began in October 2023. The violations listed here began between January 1996 and October 2023. By type: 5 monitoring, 5 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (5 of them). EPA lists 10 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2023-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived
2021-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
1996-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1996-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1996-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 11 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.

Mdot - Tustin, R305: frequently asked questions

Who runs Mdot - Tustin, R305?

Mdot - Tustin, R305 (PWSID MI2007467) is a transient non-community water system owned by a state government. It is regulated by the MI state drinking water program.

How many people does Mdot - Tustin, R305 serve?

Mdot - Tustin, R305 reports serving 825 people through 1 service connection in Osceola County, Michigan.

Where does Mdot - Tustin, R305 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 Mdot - Tustin, R305 have any drinking water violations?

EPA's records list 11 violations for this system; 1 is health-based, and the most recent began in October 2023. 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 Mdot - Tustin, R305'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 11 violations for this system; 1 is health-based, and the most recent began in October 2023. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find Mdot - Tustin, R305's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Mdot - Tustin, R305 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 Osceola County

Water systemCountyPopulation servedTypeSource
Reed City, City ofOsceola2,425CommunityGroundwater
Evart, City ofOsceola1,742CommunityGroundwater
Bluetriton Brands Inc.Osceola1,000Non-transient non-communityGroundwater
Evart Wells 7 & 13 for BottlingOsceola1,000Non-transient non-communityGroundwater
Sears Ez MartOsceola865Transient non-communityGroundwater
Pine River Jr-Sr HighOsceola820Non-transient non-communityGroundwater

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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, “Mdot - Tustin, R305, PWSID MI2007467, Michigan”, https://aquacensus.com/water-systems/michigan/mdot-tustin-r305-mi2007467 (data as of October 1, 2026).