Public water system · MI2003242
ActiveMdot - Esrey Park Wayside P138
At a glance
Mdot - Esrey Park Wayside P138 (PWSID MI2003242) is an active transient non-community water system in Keweenaw County, Michigan. It reports serving 25 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 8 violations for this system; 4 are health-based, and the most recent began in July 2005.
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
How does Mdot - Esrey Park Wayside P138 compare with other water systems in Keweenaw County?
By EPA's size categories, Mdot - Esrey Park Wayside P138 is a very small system (500 people or fewer). Keweenaw County has 19 active public water systems. Its population served is well below the county average of 142 people per system, and accounts for 0.9% of the 2,701 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 - Esrey Park Wayside P138 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 Mdot - Esrey Park Wayside P138?
EPA lists Mdot - Esrey Park Wayside P138 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 19 active systems in Keweenaw County (11%) are also owned by a state government.
Does Mdot - Esrey Park Wayside P138 have drinking water violations?
EPA's records list 8 violations for this system; 4 are health-based, and the most recent began in July 2005. The violations listed here began between July 1997 and July 2005. By type: 4 monitoring and reporting and 4 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 8 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 |
|---|---|---|---|---|
| 2005-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2000-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1999-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1997-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 8 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 - Esrey Park Wayside P138: frequently asked questions
Who runs Mdot - Esrey Park Wayside P138?
Mdot - Esrey Park Wayside P138 (PWSID MI2003242) 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 - Esrey Park Wayside P138 serve?
Mdot - Esrey Park Wayside P138 reports serving 25 people through 1 service connection in Keweenaw County, Michigan.
Where does Mdot - Esrey Park Wayside P138 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 - Esrey Park Wayside P138 have any drinking water violations?
EPA's records list 8 violations for this system; 4 are health-based, and the most recent began in July 2005. 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 - Esrey Park Wayside P138'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 8 violations for this system; 4 are health-based, and the most recent began in July 2005. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Mdot - Esrey Park Wayside P138's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mdot - Esrey Park Wayside P138 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 Keweenaw County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Keweenaw Mountain Lodge | Keweenaw | 485 | Transient non-community | Groundwater under influence of surface water |
| Isle Royale-Rock Harbor | Keweenaw | 335 | Transient non-community | Surface water |
| Eagle Harbor Township | Keweenaw | 300 | Community | Groundwater |
| Dnr - Fort Wilkins State Park | Keweenaw | 225 | Transient non-community | Groundwater |
| Grant Township - Copper Harbor | Keweenaw | 200 | Community | Groundwater |
| Mount Bohemia Ski Resort | Keweenaw | 200 | 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, “Mdot - Esrey Park Wayside P138, PWSID MI2003242, Michigan”, https://aquacensus.com/water-systems/michigan/mdot-esrey-park-wayside-p138-mi2003242 (data as of October 1, 2026).