Public water system · MI2041381
ActiveBlue Heron Bay Spray Zone
At a glance
Blue Heron Bay Spray Zone (PWSID MI2041381) is an active transient non-community water system in Washtenaw County, Michigan. It reports serving 510 people through 1 service connection. 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 July 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
510
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Blue Heron Bay Spray Zone compare with other water systems in Washtenaw County?
By EPA's size categories, Blue Heron Bay Spray Zone is a small system (501 to 3,300 people). Washtenaw County has 262 active public water systems. Its population served is about 56% below the county average of 1,147 people per system, and accounts for 0.2% of the 300,406 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 Blue Heron Bay Spray Zone is about 3.5 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 Blue Heron Bay Spray Zone?
EPA lists Blue Heron Bay Spray Zone 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. 229 of the 262 active systems in Washtenaw County (87%) are also privately owned.
Does Blue Heron Bay Spray Zone have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2019. The violations listed here began between January 1999 and July 2019. By type: 6 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 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 |
|---|---|---|---|---|
| 2019-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Blue Heron Bay Spray Zone: frequently asked questions
Who runs Blue Heron Bay Spray Zone?
Blue Heron Bay Spray Zone (PWSID MI2041381) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Blue Heron Bay Spray Zone serve?
Blue Heron Bay Spray Zone reports serving 510 people through 1 service connection in Washtenaw County, Michigan.
Where does Blue Heron Bay Spray Zone 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 Blue Heron Bay Spray Zone have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2019. 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 Blue Heron Bay Spray Zone'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 July 2019. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Blue Heron Bay Spray Zone's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Blue Heron Bay Spray Zone 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 Washtenaw County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ann Arbor | Washtenaw | 123,851 | Community | Surface water |
| Ypsilanti Community Utility Authority | Washtenaw | 53,988 | Community | Purchased surface water |
| Pittsfield Township | Washtenaw | 24,500 | Community | Purchased surface water |
| Saline | Washtenaw | 9,158 | Community | Groundwater |
| Scio Township | Washtenaw | 8,500 | Community | Purchased surface water |
| Milan | Washtenaw | 7,363 | 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, “Blue Heron Bay Spray Zone, PWSID MI2041381, Michigan”, https://aquacensus.com/water-systems/michigan/blue-heron-bay-spray-zone-mi2041381 (data as of October 1, 2026).