Public water system · WI4690220
ActiveQuantum Dairy LLC
At a glance
Quantum Dairy LLC (PWSID WI4690220) is an active non-transient non-community water system in Waupaca County, Wisconsin. It reports serving 42 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in October 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
42
Service connections
3
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Quantum Dairy LLC compare with other water systems in Waupaca County?
By EPA's size categories, Quantum Dairy LLC is a very small system (500 people or fewer). Waupaca County has 207 active public water systems. Its population served is well below the county average of 175 people per system, and accounts for 0.1% of the 36,146 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Quantum Dairy LLC is well below 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. Wisconsin has 891 active non-transient non-community water systems, 8.1% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.
Who owns and regulates Quantum Dairy LLC?
EPA lists Quantum Dairy LLC as privately owned. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 178 of the 207 active systems in Waupaca County (86%) are also privately owned.
Does Quantum Dairy LLC have drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in October 2012. The violations listed here began between October 2011 and October 2012. By type: 2 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). 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 |
|---|---|---|---|---|
| 2012-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | 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.
Quantum Dairy LLC: frequently asked questions
Who runs Quantum Dairy LLC?
Quantum Dairy LLC (PWSID WI4690220) is a non-transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Quantum Dairy LLC serve?
Quantum Dairy LLC reports serving 42 people through 3 service connections in Waupaca County, Wisconsin.
Where does Quantum Dairy LLC 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 Quantum Dairy LLC have any drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in October 2012. 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 Quantum Dairy LLC'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; 2 are health-based, and the most recent began in October 2012. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Quantum Dairy LLC's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Quantum Dairy LLC 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 Waupaca County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| New London Waterworks | Waupaca | 7,187 | Community | Groundwater |
| Waupaca Waterworks | Waupaca | 6,062 | Community | Groundwater |
| Clintonville Utilities | Waupaca | 4,635 | Community | Groundwater |
| Weyauwega Waterworks | Waupaca | 1,820 | Community | Groundwater |
| Manawa Waterworks | Waupaca | 1,300 | Community | Groundwater |
| Marion Waterworks | Waupaca | 1,293 | 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, “Quantum Dairy LLC, PWSID WI4690220, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/quantum-dairy-llc-wi4690220 (data as of October 1, 2026).