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Public water system · IL0555030

Active

Royalton

At a glance

Royalton (PWSID IL0555030) is an active community water system in Franklin County, Illinois. It reports serving 1,118 people through 559 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026.

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

Population served

1,118

Service connections

559

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDIL0555030
System typeCommunity water system
Activity statusActive
Population served1,118
Service connections559
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyIL state drinking water program
City servedRoyalton
StateIllinois
ZIP—
CountyFranklin County

How does Royalton compare with other water systems in Franklin County?

By EPA's size categories, Royalton is a small system (501 to 3,300 people). Franklin County has 23 active public water systems. Its population served is about 40% below the county average of 1,860 people per system, and accounts for 2.6% of the 42,771 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 Royalton 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 619 Illinois systems (16%) list purchased surface water as their primary source.

Who owns and regulates Royalton?

EPA lists Royalton as owned by a local 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. 21 of the 23 active systems in Franklin County (91%) are also owned by a local government.

Does Royalton have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026. The violations listed here began between April 2023 and January 2026. By type: 8 monitoring and reporting, 2 public notice, recordkeeping or other, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 8 as resolved and 4 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2026-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoUnaddressed
2025-07-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
2025-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2025-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2025-05-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chloraminecode 1006NoResolved
2025-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
2024-07-11Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2024-07-11Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2023-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2023-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved

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.

Royalton: frequently asked questions

Who runs Royalton?

Royalton (PWSID IL0555030) is a community water system owned by a local government. It is regulated by the IL state drinking water program.

How many people does Royalton serve?

Royalton reports serving 1,118 people through 559 service connections in Franklin County, Illinois.

Where does Royalton get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Royalton have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026. 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 Royalton'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, none is health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.

Where can I find Royalton's water quality report?

As a community water system, Royalton 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 Franklin County

Water systemCountyPopulation servedTypeSource
West FrankfortFranklin8,650CommunityPurchased surface water
BentonFranklin8,104CommunityPurchased surface water
Rend Lake Inter-City Water SystemFranklin3,650CommunitySurface water
ChristopherFranklin3,072CommunityPurchased surface water
SesserFranklin2,556CommunityPurchased surface water
Greenwood-Creek Nation Water CompanyFranklin2,530CommunityPurchased 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, “Royalton, PWSID IL0555030, Illinois”, https://aquacensus.com/water-systems/illinois/royalton-il0555030 (data as of October 1, 2026).