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Public water system · IN2160001

Active

Thorntree Lake MHP & Campground LLC

At a glance

Thorntree Lake MHP & Campground LLC (PWSID IN2160001) is an active transient non-community water system in Decatur County, Indiana. It reports serving 38 people through 17 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in November 2022.

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

Population served

38

Service connections

17

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDIN2160001
System typeTransient non-community water system
Activity statusActive
Population served38
Service connections17
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIN state drinking water program
City servedSt. Paul
StateIndiana
ZIP—
CountyDecatur County

How does Thorntree Lake MHP & Campground LLC compare with other water systems in Decatur County?

By EPA's size categories, Thorntree Lake MHP & Campground LLC is a very small system (500 people or fewer). Decatur County has 17 active public water systems. Its population served is well below the county average of 1,341 people per system, and accounts for 0.2% of the 22,794 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 Thorntree Lake MHP & Campground LLC is well 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 Thorntree Lake MHP & Campground LLC?

EPA lists Thorntree Lake MHP & Campground 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. 11 of the 17 active systems in Decatur County (65%) are also privately owned.

Does Thorntree Lake MHP & Campground LLC have drinking water violations?

EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in November 2022. The violations listed here began between September 2015 and November 2022. By type: 4 contaminant level above the legal limit, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 6 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
2022-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1ARevised Total Coliform Rulecode 8000YesResolved
2022-01-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2021-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Nitratecode 1040YesResolved
2015-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2015-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 6 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.

Thorntree Lake MHP & Campground LLC: frequently asked questions

Who runs Thorntree Lake MHP & Campground LLC?

Thorntree Lake MHP & Campground LLC (PWSID IN2160001) is a transient non-community water system privately owned. It is regulated by the IN state drinking water program.

How many people does Thorntree Lake MHP & Campground LLC serve?

Thorntree Lake MHP & Campground LLC reports serving 38 people through 17 service connections in Decatur County, Indiana.

Where does Thorntree Lake MHP & Campground 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 Thorntree Lake MHP & Campground LLC have any drinking water violations?

EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in November 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 Thorntree Lake MHP & Campground 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 6 violations for this system; 4 are health-based, and the most recent began in November 2022. For current results, consult EPA ECHO, or the IN state drinking water program.

Where can I find Thorntree Lake MHP & Campground LLC's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Thorntree Lake MHP & Campground 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 Decatur County

Water systemCountyPopulation servedTypeSource
Greensburg Municipal Water WorksDecatur12,650CommunitySurface water
Decatur Co. Water Corp.Decatur3,440CommunityPurchased surface water
Westport Water CompanyDecatur1,725CommunitySurface water
Lake Santee RwwdDecatur1,500CommunitySurface water
St. Paul Municipal WaterDecatur1,096CommunityGroundwater
Westport Water Company - Cougar RoadDecatur933Non-transient non-communityPurchased 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, “Thorntree Lake MHP & Campground LLC, PWSID IN2160001, Indiana”, https://aquacensus.com/water-systems/indiana/thorntree-lake-mhp-campground-llc-in2160001 (data as of October 1, 2026).