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Public water system · IL3094714

Active

Johnson Sauk Trail State Pk Office Well

At a glance

Johnson Sauk Trail State Pk Office Well (PWSID IL3094714) is an active transient non-community water system in Henry County, Illinois. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in January 2022.

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

Population served

25

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDIL3094714
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typeState government
Primacy agencyIL state drinking water program
City served—
StateIllinois
ZIP—
CountyHenry County

How does Johnson Sauk Trail State Pk Office Well compare with other water systems in Henry County?

By EPA's size categories, Johnson Sauk Trail State Pk Office Well is a very small system (500 people or fewer). Henry County has 72 active public water systems. Its population served is well below the county average of 598 people per system, and accounts for less than 0.1% of the 43,076 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Johnson Sauk Trail State Pk Office Well 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. Illinois has 1,703 active transient non-community water systems, 44% of the state's 3,872 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,808 Illinois systems (73%) list groundwater as their primary source.

Who owns and regulates Johnson Sauk Trail State Pk Office Well?

EPA lists Johnson Sauk Trail State Pk Office Well as owned by a state government. The IL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 5 of the 72 active systems in Henry County (6.9%) are also owned by a state government.

Does Johnson Sauk Trail State Pk Office Well have drinking water violations?

EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in January 2022. The violations listed here began between October 1981 and January 2022. By type: 5 monitoring and reporting and 4 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 6 as resolved and 3 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2018-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2011-07-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2010-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1982-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1982-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1981-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived

All 9 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.

Johnson Sauk Trail State Pk Office Well: frequently asked questions

Who runs Johnson Sauk Trail State Pk Office Well?

Johnson Sauk Trail State Pk Office Well (PWSID IL3094714) is a transient non-community water system owned by a state government. It is regulated by the IL state drinking water program.

How many people does Johnson Sauk Trail State Pk Office Well serve?

Johnson Sauk Trail State Pk Office Well reports serving 25 people through 1 service connection in Henry County, Illinois.

Where does Johnson Sauk Trail State Pk Office Well 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 Johnson Sauk Trail State Pk Office Well have any drinking water violations?

EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in January 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 Johnson Sauk Trail State Pk Office Well'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 9 violations for this system; 4 are health-based, and the most recent began in January 2022. For current results, consult EPA ECHO, or the IL state drinking water program.

Where can I find Johnson Sauk Trail State Pk Office Well's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Johnson Sauk Trail State Pk Office Well 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 Henry County

Water systemCountyPopulation servedTypeSource
KewaneeHenry12,509CommunityGroundwater
GeneseoHenry6,539CommunityGroundwater
Colona WestHenry2,640CommunityGroundwater
Colona EastHenry2,501CommunityGroundwater
GalvaHenry2,449CommunityGroundwater
CambridgeHenry2,086CommunityGroundwater

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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, “Johnson Sauk Trail State Pk Office Well, PWSID IL3094714, Illinois”, https://aquacensus.com/water-systems/illinois/johnson-sauk-trail-state-pk-office-well-il3094714 (data as of October 1, 2026).