Public water system · MI2022047
ActiveSt. John Catholic Church - Howell
At a glance
St. John Catholic Church - Howell (PWSID MI2022047) is an active transient non-community water system in Livingston County, Michigan. It reports serving 900 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2005.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
900
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does St. John Catholic Church - Howell compare with other water systems in Livingston County?
By EPA's size categories, St. John Catholic Church - Howell is a small system (501 to 3,300 people). Livingston County has 425 active public water systems. Its population served is about 187% above the county average of 314 people per system, and accounts for 0.7% of the 133,320 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 St. John Catholic Church - Howell is about 6.3 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 St. John Catholic Church - Howell?
EPA lists St. John Catholic Church - Howell 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. 386 of the 425 active systems in Livingston County (91%) are also privately owned.
Does St. John Catholic Church - Howell have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2005. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrite. EPA lists 1 as archived. 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 |
|---|---|---|---|---|
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Archived |
The one violation in EPA's records.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.
St. John Catholic Church - Howell: frequently asked questions
Who runs St. John Catholic Church - Howell?
St. John Catholic Church - Howell (PWSID MI2022047) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does St. John Catholic Church - Howell serve?
St. John Catholic Church - Howell reports serving 900 people through 1 service connection in Livingston County, Michigan.
Where does St. John Catholic Church - Howell 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 St. John Catholic Church - Howell have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 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 St. John Catholic Church - Howell'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 one violation for this system; it is not health-based, and the most recent began in January 2005. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find St. John Catholic Church - Howell's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. St. John Catholic Church - Howell 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 Livingston County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mhog Sewer & Water Authority | Livingston | 17,046 | Community | Groundwater |
| Brighton, City of | Livingston | 10,210 | Community | Groundwater |
| Howell, City of | Livingston | 9,914 | Community | Groundwater |
| Livingston Community Water Authority | Livingston | 4,152 | Community | Groundwater |
| Hartland Township | Livingston | 3,022 | Community | Groundwater |
| Chilson Commons / Kroger | Livingston | 3,000 | Non-transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “St. John Catholic Church - Howell, PWSID MI2022047, Michigan”, https://aquacensus.com/water-systems/michigan/st-john-catholic-church-howell-mi2022047 (data as of October 1, 2026).