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Public water system · IL3138453

Active

Mccd Lost Valley Visitor Center

At a glance

Mccd Lost Valley Visitor Center (PWSID IL3138453) is an active transient non-community water system in McHenry County, Illinois. 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 one violation for this system; it is not health-based, and the most recent began in October 2002.

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

PWSIDIL3138453
System typeTransient non-community water system
Activity statusActive
Population served50
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIL state drinking water program
City served—
StateIllinois
ZIP—
CountyMcHenry County

How does Mccd Lost Valley Visitor Center compare with other water systems in McHenry County?

By EPA's size categories, Mccd Lost Valley Visitor Center is a very small system (500 people or fewer). McHenry County has 192 active public water systems. Its population served is well below the county average of 1,331 people per system, and accounts for less than 0.1% of the 255,516 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 Mccd Lost Valley Visitor Center 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. 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 Mccd Lost Valley Visitor Center?

EPA lists Mccd Lost Valley Visitor Center as privately owned. 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. 154 of the 192 active systems in McHenry County (80%) are also privately owned.

Does Mccd Lost Valley Visitor Center have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2002. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 as archived. 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
2002-10-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoArchived

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.

Mccd Lost Valley Visitor Center: frequently asked questions

Who runs Mccd Lost Valley Visitor Center?

Mccd Lost Valley Visitor Center (PWSID IL3138453) is a transient non-community water system privately owned. It is regulated by the IL state drinking water program.

How many people does Mccd Lost Valley Visitor Center serve?

Mccd Lost Valley Visitor Center reports serving 50 people through 2 service connections in McHenry County, Illinois.

Where does Mccd Lost Valley Visitor Center 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 Mccd Lost Valley Visitor Center 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 October 2002. 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 Mccd Lost Valley Visitor Center'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 October 2002. For current results, consult EPA ECHO, or the IL state drinking water program.

Where can I find Mccd Lost Valley Visitor Center's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Mccd Lost Valley Visitor Center 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 McHenry County

Water systemCountyPopulation servedTypeSource
Crystal LakeMcHenry40,661CommunityGroundwater
AlgonquinMcHenry30,700CommunityGroundwater
Lake in the HillsMcHenry28,661CommunityGroundwater
HuntleyMcHenry28,495CommunityGroundwater
WoodstockMcHenry25,630CommunityGroundwater
MchenryMcHenry22,335CommunityGroundwater

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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, “Mccd Lost Valley Visitor Center, PWSID IL3138453, Illinois”, https://aquacensus.com/water-systems/illinois/mccd-lost-valley-visitor-center-il3138453 (data as of October 1, 2026).