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Public water system · IL0970170

Active

Royal Melbourne Homeowners Asn

At a glance

Royal Melbourne Homeowners Asn (PWSID IL0970170) is an active community water system in Lake County, Illinois. It reports serving 382 people through 127 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, 7 are health-based, and the most recent began in July 2025.

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

Population served

382

Service connections

127

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL0970170
System typeCommunity water system
Activity statusActive
Population served382
Service connections127
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIL state drinking water program
City servedLong Grove
StateIllinois
ZIP—
CountyLake County

How does Royal Melbourne Homeowners Asn compare with other water systems in Lake County?

By EPA's size categories, Royal Melbourne Homeowners Asn is a very small system (500 people or fewer). Lake County has 266 active public water systems. Its population served is well below the county average of 2,442 people per system, and accounts for less than 0.1% of the 649,474 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active community water system reports serving 6,703 people, so Royal Melbourne Homeowners Asn is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Illinois has 1,773 active community water systems, 46% 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 Royal Melbourne Homeowners Asn?

EPA lists Royal Melbourne Homeowners Asn 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. 193 of the 266 active systems in Lake County (73%) are also privately owned.

Does Royal Melbourne Homeowners Asn have drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 2025. The violations listed here began between January 2003 and July 2025. By type: 7 contaminant level above the legal limit, 3 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Combined Radium (-226 and -228) (9 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
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2008-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2005-03-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2004-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2004-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2004-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2004-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2003-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2003-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2003-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2003-01-01Monitoring 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.

Royal Melbourne Homeowners Asn: frequently asked questions

Who runs Royal Melbourne Homeowners Asn?

Royal Melbourne Homeowners Asn (PWSID IL0970170) is a community water system privately owned. It is regulated by the IL state drinking water program.

How many people does Royal Melbourne Homeowners Asn serve?

Royal Melbourne Homeowners Asn reports serving 382 people through 127 service connections in Lake County, Illinois.

Where does Royal Melbourne Homeowners Asn 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 Royal Melbourne Homeowners Asn have any drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 2025. 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 Royal Melbourne Homeowners Asn'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, 7 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.

Where can I find Royal Melbourne Homeowners Asn's water quality report?

As a community water system, Royal Melbourne Homeowners Asn must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Lake County

Water systemCountyPopulation servedTypeSource
WaukeganLake87,149CommunitySurface water
Vernon Hills - Lake Co PwLake33,207CommunityPurchased surface water
MundeleinLake31,500CommunityPurchased surface water
GurneeLake30,193CommunityPurchased surface water
Highland ParkLake30,176CommunitySurface water
Round Lake BeachLake27,200CommunityPurchased 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, “Royal Melbourne Homeowners Asn, PWSID IL0970170, Illinois”, https://aquacensus.com/water-systems/illinois/royal-melbourne-homeowners-asn-il0970170 (data as of October 1, 2026).