Public water system · MI2005932
ActiveDark Sky
At a glance
Dark Sky (PWSID MI2005932) is an active transient non-community water system in Huron County, Michigan. It reports serving 150 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; none is health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
150
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Dark Sky compare with other water systems in Huron County?
By EPA's size categories, Dark Sky is a very small system (500 people or fewer). Huron County has 101 active public water systems. Its population served is about half of the county average of 324 people per system, and accounts for 0.5% of the 32,763 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 Dark Sky is roughly in line with 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 Dark Sky?
EPA lists Dark Sky 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. 77 of the 101 active systems in Huron County (76%) are also privately owned.
Does Dark Sky have drinking water violations?
EPA's records list 9 violations for this system; none is health-based, and the most recent began in October 2023. The violations listed here began between January 1996 and October 2023. By type: 7 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1997-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
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.
Dark Sky: frequently asked questions
Who runs Dark Sky?
Dark Sky (PWSID MI2005932) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Dark Sky serve?
Dark Sky reports serving 150 people through 2 service connections in Huron County, Michigan.
Where does Dark Sky 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 Dark Sky have any drinking water violations?
EPA's records list 9 violations for this system; none 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 Dark Sky'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; none 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 Dark Sky's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dark Sky 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 Huron County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bad Axe | Huron | 3,129 | Community | Purchased surface water |
| Caseville Township | Huron | 2,005 | Community | Purchased surface water |
| Sebewaing Light & Water | Huron | 1,721 | Community | Groundwater |
| Harbor Beach, City of | Huron | 1,604 | Community | Surface water |
| Pigeon, Village of | Huron | 1,208 | Community | Purchased surface water |
| Port Hope-Gore-Rubicon U. A. | Huron | 1,058 | 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, “Dark Sky, PWSID MI2005932, Michigan”, https://aquacensus.com/water-systems/michigan/dark-sky-mi2005932 (data as of October 1, 2026).