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Public water system · IN2500878

Active

Jellystone Park #1

At a glance

Jellystone Park #1 (PWSID IN2500878) is an active transient non-community water system in Marshall County, Indiana. It reports serving 2,410 people through 1,096 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in June 2021.

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

Population served

2,410

Service connections

1,096

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDIN2500878
System typeTransient non-community water system
Activity statusActive
Population served2,410
Service connections1,096
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIN state drinking water program
City servedPlymouth
StateIndiana
ZIP—
CountyMarshall County

How does Jellystone Park #1 compare with other water systems in Marshall County?

By EPA's size categories, Jellystone Park #1 is a small system (501 to 3,300 people). Marshall County has 87 active public water systems, and Jellystone Park #1 is the 3rd-largest of them by population served. Its population served is about 5.5 times the county average of 442 people per system, and accounts for 6.3% of the 38,447 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 Jellystone Park #1 is about 17 times 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 Jellystone Park #1?

EPA lists Jellystone Park #1 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. 79 of the 87 active systems in Marshall County (91%) are also privately owned.

Does Jellystone Park #1 have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in June 2021. The violations listed here began between January 2007 and June 2021. By type: 4 reporting, 3 required treatment not met, 3 monitoring and reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (8 of them). EPA lists 12 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
2021-06-08Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2DRevised Total Coliform Rulecode 8000YesResolved
2020-06-09Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2DRevised Total Coliform Rulecode 8000YesResolved
2019-06-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2019-05-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2018-08-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2018-06-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2017-06-09Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2DRevised Total Coliform Rulecode 8000YesResolved
2016-11-09Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2016-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2013-11-02Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2010-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2007-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

The 12 most recent 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.

Jellystone Park #1: frequently asked questions

Who runs Jellystone Park #1?

Jellystone Park #1 (PWSID IN2500878) is a transient non-community water system privately owned. It is regulated by the IN state drinking water program.

How many people does Jellystone Park #1 serve?

Jellystone Park #1 reports serving 2,410 people through 1,096 service connections in Marshall County, Indiana.

Where does Jellystone Park #1 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 Jellystone Park #1 have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in June 2021. 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 Jellystone Park #1'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. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in June 2021. For current results, consult EPA ECHO, or the IN state drinking water program.

Where can I find Jellystone Park #1's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Jellystone Park #1 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 Marshall County

Water systemCountyPopulation servedTypeSource
Plymouth Water DepartmentMarshall10,241CommunityGroundwater
Bremen Water DepartmentMarshall4,516CommunityGroundwater
Culver Educational FoundationMarshall1,940CommunityGroundwater
Bourbon Water DepartmentMarshall1,767CommunityGroundwater
Argos Municipal Water PlantMarshall1,680CommunityGroundwater
Arbys Restaurant & Convenient Store 6375Marshall1,667Transient 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, “Jellystone Park #1, PWSID IN2500878, Indiana”, https://aquacensus.com/water-systems/indiana/jellystone-park-1-in2500878 (data as of October 1, 2026).