Public water system · MI0000740
ActiveBlackman Township
At a glance
Blackman Township (PWSID MI0000740) is an active community water system in Jackson County, Michigan. It reports serving 21,222 people through 2,858 service connections. Its primary water source is purchased groundwater under influence, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in February 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
21,222
Service connections
2,858
Primary source
GUP
Purchased groundwater under influence
System type
CWS
Community water system
System record
How does Blackman Township compare with other water systems in Jackson County?
By EPA's size categories, Blackman Township is a large system (10,001 to 100,000 people). Jackson County has 218 active public water systems, and Blackman Township is the 3rd-largest of them by population served. Its population served is about 36 times the county average of 583 people per system, and accounts for 17% of the 126,981 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 Blackman Township is about 3.2 times 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. Purchased groundwater under the influence of surface water means the system buys that kind of water from another public water system. 2 Michigan systems (less than 0.1%) list purchased groundwater under influence as their primary source.
Who owns and regulates Blackman Township?
EPA lists Blackman Township as owned by a local government. 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. 11 of the 218 active systems in Jackson County (5%) are also owned by a local government.
Does Blackman Township have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in February 2020. The violations listed here began between July 2015 and February 2020. By type: 2 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Total trihalomethanes (TTHM), Haloacetic acids (HAA5) and Total coliform bacteria (TCR). EPA lists 3 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 |
|---|---|---|---|---|
| 2020-02-29 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2020-02-29 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 3 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.
Blackman Township: frequently asked questions
Who runs Blackman Township?
Blackman Township (PWSID MI0000740) is a community water system owned by a local government. It is regulated by the MI state drinking water program.
How many people does Blackman Township serve?
Blackman Township reports serving 21,222 people through 2,858 service connections in Jackson County, Michigan.
Where does Blackman Township get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater under influence. Purchased groundwater under the influence of surface water means the system buys that kind of water from another public water system.
Does Blackman Township have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in February 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 Blackman Township'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 3 violations for this system; 1 is health-based, and the most recent began in February 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Blackman Township's water quality report?
As a community water system, Blackman Township 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 Jackson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Jackson | Jackson | 33,165 | Community | Groundwater under influence of surface water |
| Summit Township | Jackson | 25,355 | Community | Groundwater |
| Mdot - Sandstone, R819 | Jackson | 2,000 | Transient non-community | Groundwater |
| Mdot - Grass Lake, R818 | Jackson | 2,000 | Transient non-community | Groundwater |
| Grass Lake | Jackson | 1,986 | Community | Groundwater |
| Leoni Township | Jackson | 1,893 | 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, “Blackman Township, PWSID MI0000740, Michigan”, https://aquacensus.com/water-systems/michigan/blackman-township-mi0000740 (data as of October 1, 2026).