Public water system · MI2105779
ActiveColwood Church - Church Addition Well
At a glance
Colwood Church - Church Addition Well (PWSID MI2105779) is an active transient non-community water system in Tuscola County, Michigan. It reports serving 406 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; 2 are health-based, and the most recent began in January 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
406
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Colwood Church - Church Addition Well compare with other water systems in Tuscola County?
By EPA's size categories, Colwood Church - Church Addition Well is a very small system (500 people or fewer). Tuscola County has 91 active public water systems. Its population served is about 39% above the county average of 293 people per system, and accounts for 1.5% of the 26,657 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 Colwood Church - Church Addition Well is about 182% 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 Colwood Church - Church Addition Well?
EPA lists Colwood Church - Church Addition Well 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. 79 of the 91 active systems in Tuscola County (87%) are also privately owned.
Does Colwood Church - Church Addition Well have drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in January 2020. The violations listed here began between January 2007 and January 2020. By type: 4 monitoring and reporting, 2 contaminant level above the legal limit and 1 monitoring. 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 |
|---|---|---|---|---|
| 2020-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2013-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2007-01-01 | 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.
Colwood Church - Church Addition Well: frequently asked questions
Who runs Colwood Church - Church Addition Well?
Colwood Church - Church Addition Well (PWSID MI2105779) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Colwood Church - Church Addition Well serve?
Colwood Church - Church Addition Well reports serving 406 people through 1 service connection in Tuscola County, Michigan.
Where does Colwood Church - Church Addition Well 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 Colwood Church - Church Addition Well have any drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in January 2020. 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 Colwood Church - Church Addition Well'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; 2 are health-based, and the most recent began in January 2020. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Colwood Church - Church Addition Well's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Colwood Church - Church Addition Well 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 Tuscola County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Caro, City of | Tuscola | 5,029 | Community | Groundwater |
| Vassar, City of | Tuscola | 2,697 | Community | Groundwater |
| Cass City, Village of | Tuscola | 2,428 | Community | Groundwater |
| G.C. Express | Tuscola | 1,400 | Transient non-community | Groundwater |
| Millington, Village of | Tuscola | 1,072 | Community | Groundwater |
| Mayville, Village of | Tuscola | 950 | 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, “Colwood Church - Church Addition Well, PWSID MI2105779, Michigan”, https://aquacensus.com/water-systems/michigan/colwood-church-church-addition-well-mi2105779 (data as of October 1, 2026).