Public water system · WI2410659
ActiveOpen Pantry
At a glance
Open Pantry (PWSID WI2410659) is an active transient non-community water system in Milwaukee County, Wisconsin. It reports serving 154 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; none is health-based, and the most recent began in June 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
154
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Open Pantry compare with other water systems in Milwaukee County?
By EPA's size categories, Open Pantry is a very small system (500 people or fewer). Milwaukee County has 85 active public water systems. Its population served is well below the county average of 11,209 people per system, and accounts for less than 0.1% of the 952,731 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Open Pantry is roughly in line with 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. Wisconsin has 9,112 active transient non-community water systems, 82% 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 Open Pantry?
EPA lists Open Pantry 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. 59 of the 85 active systems in Milwaukee County (69%) are also privately owned.
Does Open Pantry have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in June 2010. The violations listed here began between January 1995 and June 2010. By type: 8 monitoring and reporting. The contaminant or rule involved most often is Nitrate (3 of them). EPA lists 8 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 |
|---|---|---|---|---|
| 2010-06-15 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1995-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1995-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 1995-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 8 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.
Open Pantry: frequently asked questions
Who runs Open Pantry?
Open Pantry (PWSID WI2410659) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Open Pantry serve?
Open Pantry reports serving 154 people through 1 service connection in Milwaukee County, Wisconsin.
Where does Open Pantry 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 Open Pantry have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in June 2010. 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 Open Pantry'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 8 violations for this system; none is health-based, and the most recent began in June 2010. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Open Pantry's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Open Pantry 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 Milwaukee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Milwaukee Waterworks | Milwaukee | 626,000 | Community | Surface water |
| West Allis Waterworks | Milwaukee | 63,240 | Community | Purchased surface water |
| Wauwatosa Waterworks | Milwaukee | 49,064 | Community | Purchased surface water |
| North Shore Water Commission | Milwaukee | 35,598 | Community | Surface water |
| Oak Creek Waterworks | Milwaukee | 32,104 | Community | Surface water |
| Franklin Water Utility | Milwaukee | 22,500 | Community | Purchased surface water |
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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, “Open Pantry, PWSID WI2410659, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/open-pantry-wi2410659 (data as of October 1, 2026).