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Public water system · IN2640068

Active

Four Corners Winery, LLC

At a glance

Four Corners Winery, LLC (PWSID IN2640068) is an active transient non-community water system in Porter County, Indiana. It reports serving 50 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in December 2022.

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

Population served

50

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDIN2640068
System typeTransient non-community water system
Activity statusActive
Population served50
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIN state drinking water program
City servedValparaiso
StateIndiana
ZIP—
CountyPorter County

How does Four Corners Winery, LLC compare with other water systems in Porter County?

By EPA's size categories, Four Corners Winery, LLC is a very small system (500 people or fewer). Porter County has 81 active public water systems. Its population served is well below the county average of 748 people per system, and accounts for less than 0.1% of the 60,622 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Four Corners Winery, LLC is about 65% 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. Indiana has 2,596 active transient non-community water systems, 65% of the state's 3,969 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,769 Indiana systems (95%) list groundwater as their primary source.

Who owns and regulates Four Corners Winery, LLC?

EPA lists Four Corners Winery, LLC as privately owned. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 65 of the 81 active systems in Porter County (80%) are also privately owned.

Does Four Corners Winery, LLC have drinking water violations?

EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in December 2022. The violations listed here began between April 2019 and December 2022. By type: 1 required treatment not met, 1 monitoring and reporting, 1 public notice, recordkeeping or other and 1 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 4 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
2022-12-29Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2ARevised Total Coliform Rulecode 8000YesResolved
2020-03-24Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2019-05-08Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5ARevised Total Coliform Rulecode 8000NoResolved
2019-04-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved

All 4 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.

Four Corners Winery, LLC: frequently asked questions

Who runs Four Corners Winery, LLC?

Four Corners Winery, LLC (PWSID IN2640068) is a transient non-community water system privately owned. It is regulated by the IN state drinking water program.

How many people does Four Corners Winery, LLC serve?

Four Corners Winery, LLC reports serving 50 people through 2 service connections in Porter County, Indiana.

Where does Four Corners Winery, 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 Four Corners Winery, LLC have any drinking water violations?

EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in December 2022. 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 Four Corners Winery, 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 4 violations for this system; 1 is health-based, and the most recent began in December 2022. For current results, consult EPA ECHO, or the IN state drinking water program.

Where can I find Four Corners Winery, LLC's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Four Corners Winery, LLC 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 Porter County

Water systemCountyPopulation servedTypeSource
Valparaiso Department of Water WorksPorter36,000CommunityGroundwater
Hebron Water DepartmentPorter3,724CommunityGroundwater
L-A-C UtilitiesPorter2,441CommunityPurchased groundwater
Kouts Water WorksPorter2,028CommunityGroundwater
St. Elizabeth Seton CatholicPorter1,201Transient non-communityGroundwater
Ogden Dunes WaterPorter1,110CommunityPurchased 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, “Four Corners Winery, LLC, PWSID IN2640068, Indiana”, https://aquacensus.com/water-systems/indiana/four-corners-winery-llc-in2640068 (data as of October 1, 2026).