Public water system · MI0040406
ActiveHylander Valley
At a glance
Hylander Valley (PWSID MI0040406) is an active community water system in Oceana County, Michigan. It reports serving 158 people through 63 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; none is health-based, and the most recent began in March 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
158
Service connections
63
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hylander Valley compare with other water systems in Oceana County?
By EPA's size categories, Hylander Valley is a very small system (500 people or fewer). Oceana County has 129 active public water systems. Its population served is about 33% below the county average of 236 people per system, and accounts for 0.5% of the 30,487 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active community water system reports serving 6,703 people, so Hylander Valley is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Michigan has 1,332 active community water systems, 13% 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 Hylander Valley?
EPA lists Hylander Valley 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. 122 of the 129 active systems in Oceana County (95%) are also privately owned.
Does Hylander Valley have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in March 2017. The violations listed here began between January 1996 and March 2017. By type: 5 monitoring and reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2017-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2012-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2012-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1999-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | 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.
Hylander Valley: frequently asked questions
Who runs Hylander Valley?
Hylander Valley (PWSID MI0040406) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Hylander Valley serve?
Hylander Valley reports serving 158 people through 63 service connections in Oceana County, Michigan.
Where does Hylander Valley 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 Hylander Valley have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in March 2017. 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 Hylander Valley'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; none is health-based, and the most recent began in March 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Hylander Valley's water quality report?
As a community water system, Hylander Valley must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Oceana County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hart | Oceana | 2,126 | Community | Groundwater |
| Shelby | Oceana | 1,964 | Community | Groundwater |
| Gateway Plaza Hart | Oceana | 1,103 | Non-transient non-community | Groundwater |
| Rothbury Wesco - Store #51 | Oceana | 900 | Transient non-community | Groundwater |
| Pentwater | Oceana | 857 | Community | Groundwater |
| Wishing Well Ez Mart #899 | Oceana | 850 | 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, “Hylander Valley, PWSID MI0040406, Michigan”, https://aquacensus.com/water-systems/michigan/hylander-valley-mi0040406 (data as of October 1, 2026).