Public water system · MI2004282
ActiveDnr-Maybury State Pk/Oak Shelter Picnic
At a glance
Dnr-Maybury State Pk/Oak Shelter Picnic (PWSID MI2004282) is an active transient non-community water system in Wayne County, Michigan. It reports serving 200 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 7 violations for this system; 3 are health-based, and the most recent began in April 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Dnr-Maybury State Pk/Oak Shelter Picnic compare with other water systems in Wayne County?
By EPA's size categories, Dnr-Maybury State Pk/Oak Shelter Picnic is a very small system (500 people or fewer). Wayne County has 55 active public water systems. Its population served is well below the county average of 32,428 people per system, and accounts for less than 0.1% of the 1,783,512 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 Dnr-Maybury State Pk/Oak Shelter Picnic is about 39% above 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 Dnr-Maybury State Pk/Oak Shelter Picnic?
EPA lists Dnr-Maybury State Pk/Oak Shelter Picnic 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. 4 of the 55 active systems in Wayne County (7.3%) are also owned by a state government.
Does Dnr-Maybury State Pk/Oak Shelter Picnic have drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in April 2022. The violations listed here began between September 2006 and April 2022. By type: 4 monitoring and reporting, 2 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 6 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-04-01 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Archived |
| 2011-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 7 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.
Dnr-Maybury State Pk/Oak Shelter Picnic: frequently asked questions
Who runs Dnr-Maybury State Pk/Oak Shelter Picnic?
Dnr-Maybury State Pk/Oak Shelter Picnic (PWSID MI2004282) 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 Dnr-Maybury State Pk/Oak Shelter Picnic serve?
Dnr-Maybury State Pk/Oak Shelter Picnic reports serving 200 people through 1 service connection in Wayne County, Michigan.
Where does Dnr-Maybury State Pk/Oak Shelter Picnic 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 Dnr-Maybury State Pk/Oak Shelter Picnic have any drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in April 2022. 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 Dnr-Maybury State Pk/Oak Shelter Picnic'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 7 violations for this system; 3 are health-based, and the most recent began in April 2022. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Dnr-Maybury State Pk/Oak Shelter Picnic's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dnr-Maybury State Pk/Oak Shelter Picnic 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 Wayne County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Detroit City of | Wayne | 633,218 | Community | Purchased surface water |
| Dearborn | Wayne | 109,976 | Community | Purchased surface water |
| Canton Township | Wayne | 99,627 | Community | Surface water |
| Livonia | Wayne | 96,942 | Community | Purchased surface water |
| Westland | Wayne | 85,420 | Community | Purchased surface water |
| Taylor | Wayne | 63,409 | Community | Purchased surface 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, “Dnr-Maybury State Pk/Oak Shelter Picnic, PWSID MI2004282, Michigan”, https://aquacensus.com/water-systems/michigan/dnr-maybury-state-pk-oak-shelter-picnic-mi2004282 (data as of October 1, 2026).