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Public water system · WI4240181

Active

Darling International

At a glance

Darling International (PWSID WI4240181) is an active transient non-community water system in Green Lake County, Wisconsin. It reports serving 48 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2004.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

48

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI4240181
System typeTransient non-community water system
Activity statusActive
Population served48
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedBerlin
StateWisconsin
ZIP—
CountyGreen Lake County

How does Darling International compare with other water systems in Green Lake County?

By EPA's size categories, Darling International is a very small system (500 people or fewer). Green Lake County has 70 active public water systems. Its population served is well below the county average of 211 people per system, and accounts for 0.3% of the 14,772 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 Darling International is about 67% below 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 Darling International?

EPA lists Darling International 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. 63 of the 70 active systems in Green Lake County (90%) are also privately owned.

Does Darling International have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2004. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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.

BeganViolationContaminant or ruleHealth-basedStatus
2004-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

The one violation in EPA's records.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.

Darling International: frequently asked questions

Who runs Darling International?

Darling International (PWSID WI4240181) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Darling International serve?

Darling International reports serving 48 people through 1 service connection in Green Lake County, Wisconsin.

Where does Darling International 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 Darling International have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2004. 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 Darling International'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 one violation for this system; it is not health-based, and the most recent began in January 2004. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Darling International's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Darling International 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 Green Lake County

Water systemCountyPopulation servedTypeSource
Berlin WaterworksGreen Lake5,524CommunityGroundwater
Markesan WaterworksGreen Lake1,365CommunityGroundwater
Princeton WaterworksGreen Lake1,166CommunityGroundwater
Green Lake WaterworksGreen Lake1,002CommunityGroundwater
Amer Baptist Assem MainGreen Lake640Non-transient non-communityGroundwater
All Saints Catholic ParishGreen Lake302Non-transient non-communityGroundwater

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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, “Darling International, PWSID WI4240181, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/darling-international-wi4240181 (data as of October 1, 2026).