Public water system · WI4380886
ActiveGraetz Manufacturing Office
At a glance
Graetz Manufacturing Office (PWSID WI4380886) is an active non-transient non-community water system in Marinette County, Wisconsin. It reports serving 26 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in April 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
26
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Graetz Manufacturing Office compare with other water systems in Marinette County?
By EPA's size categories, Graetz Manufacturing Office is a very small system (500 people or fewer). Marinette County has 191 active public water systems. Its population served is well below the county average of 141 people per system, and accounts for less than 0.1% of the 26,830 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 Graetz Manufacturing Office 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 Graetz Manufacturing Office?
EPA lists Graetz Manufacturing Office 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. 159 of the 191 active systems in Marinette County (83%) are also privately owned.
Does Graetz Manufacturing Office have drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in April 2009. The violations listed here began between August 1996 and April 2009. By type: 4 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1999-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1998-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 5 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.
Graetz Manufacturing Office: frequently asked questions
Who runs Graetz Manufacturing Office?
Graetz Manufacturing Office (PWSID WI4380886) is a non-transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Graetz Manufacturing Office serve?
Graetz Manufacturing Office reports serving 26 people through 1 service connection in Marinette County, Wisconsin.
Where does Graetz Manufacturing Office 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 Graetz Manufacturing Office have any drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in April 2009. 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 Graetz Manufacturing Office'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 5 violations for this system; 1 is health-based, and the most recent began in April 2009. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Graetz Manufacturing Office's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Graetz Manufacturing Office 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 Marinette County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Marinette Waterworks | Marinette | 10,968 | Community | Surface water |
| Peshtigo Waterworks | Marinette | 3,420 | Community | Groundwater |
| Niagara Waterworks | Marinette | 1,561 | Community | Groundwater |
| Crivitz Waterworks | Marinette | 1,026 | Community | Groundwater |
| Coleman Waterworks | Marinette | 727 | Community | Groundwater |
| Wausaukee Waterworks | Marinette | 585 | 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, “Graetz Manufacturing Office, PWSID WI4380886, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/graetz-manufacturing-office-wi4380886 (data as of October 1, 2026).