Public water system · MI2078447
ActivePinckney Schools - High School
At a glance
Pinckney Schools - High School (PWSID MI2078447) is an active non-transient non-community water system in Livingston County, Michigan. It reports serving 1,135 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; none is health-based, and the most recent began in January 2005.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,135
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Pinckney Schools - High School compare with other water systems in Livingston County?
By EPA's size categories, Pinckney Schools - High School is a small system (501 to 3,300 people). Livingston County has 425 active public water systems. Its population served is about 3.6 times the county average of 314 people per system, and accounts for 0.9% 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 non-transient non-community water system reports serving 430 people, so Pinckney Schools - High School is about 164% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Michigan has 1,402 active non-transient non-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 Pinckney Schools - High School?
EPA lists Pinckney Schools - High School 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 Pinckney Schools - High School have drinking water violations?
EPA's records list 9 violations for this system; none is health-based, and the most recent began in January 2005. The violations listed here began between January 2005 and January 2005. By type: 9 monitoring and reporting. The contaminants or rules involved are Mercury, Antimony, Selenium and Chromium. EPA lists 9 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 |
|---|---|---|---|---|
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
All 9 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.
Pinckney Schools - High School: frequently asked questions
Who runs Pinckney Schools - High School?
Pinckney Schools - High School (PWSID MI2078447) is a non-transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Pinckney Schools - High School serve?
Pinckney Schools - High School reports serving 1,135 people through 2 service connections in Livingston County, Michigan.
Where does Pinckney Schools - High School 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 Pinckney Schools - High School have any drinking water violations?
EPA's records list 9 violations for this system; none is 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 Pinckney Schools - High School'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 9 violations for this system; none is 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 Pinckney Schools - High School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Pinckney Schools - High School is a non-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 |
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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, “Pinckney Schools - High School, PWSID MI2078447, Michigan”, https://aquacensus.com/water-systems/michigan/pinckney-schools-high-school-mi2078447 (data as of October 1, 2026).