Public water system · IL0970260
ActiveRound Lake Heights
At a glance
Round Lake Heights (PWSID IL0970260) is an active community water system in Lake County, Illinois. It reports serving 2,622 people through 813 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in December 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,622
Service connections
813
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Round Lake Heights compare with other water systems in Lake County?
By EPA's size categories, Round Lake Heights is a small system (501 to 3,300 people). Lake County has 266 active public water systems. Its population served is roughly in line with the county average of 2,442 people per system, and accounts for 0.4% 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 Round Lake Heights is about 61% 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 Round Lake Heights?
EPA lists Round Lake Heights 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. 60 of the 266 active systems in Lake County (23%) are also owned by a local government.
Does Round Lake Heights have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in December 2018. The violations listed here began between July 2006 and December 2018. By type: 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Lead and Copper Rule, Chlorine and Consumer Confidence Rule. EPA lists 3 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2018-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2011-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2006-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 3 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.
Round Lake Heights: frequently asked questions
Who runs Round Lake Heights?
Round Lake Heights (PWSID IL0970260) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Round Lake Heights serve?
Round Lake Heights reports serving 2,622 people through 813 service connections in Lake County, Illinois.
Where does Round Lake Heights 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 Round Lake Heights have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in December 2018. 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 Round Lake Heights' 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 3 violations for this system; none is health-based, and the most recent began in December 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Round Lake Heights' water quality report?
As a community water system, Round Lake Heights 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Waukegan | Lake | 87,149 | Community | Surface water |
| Vernon Hills - Lake Co Pw | Lake | 33,207 | Community | Purchased surface water |
| Mundelein | Lake | 31,500 | Community | Purchased surface water |
| Gurnee | Lake | 30,193 | Community | Purchased surface water |
| Highland Park | Lake | 30,176 | Community | Surface water |
| Round Lake Beach | Lake | 27,200 | Community | Purchased 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, “Round Lake Heights, PWSID IL0970260, Illinois”, https://aquacensus.com/water-systems/illinois/round-lake-heights-il0970260 (data as of October 1, 2026).