Public water system record
Round Lake
Serves Round Lake, Lake County, IL · 18,430 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Round Lake in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- Round Lake buys its water from Central Lake County Jawa.
- Record on file since 1977, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 14 lead and 19 unknown out of 5,014 service lines.
Check whether Round Lake serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Dec 3, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
Full record since 1977
EPA's records for Round Lake go back to 1977. Before October 19, 2016 they list 3 health-based violations (2 resolved, 1 archived by EPA without a recorded fix) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1980s | 2 | 0 |
| 1990s | 1 | 0 |
| 2000s | 0 | 2 |
| 2020s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began March 1992, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Mar 27, 1992 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Sep 1, 1985 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Sep 24, 1981 | Archived |
Where the water comes from
Round Lake buys its water from Central Lake County Jawa. EPA also lists 1 well, all for emergency, seasonal or other part-time use. It also has an emergency connection to Round Lake Park. 1 other community water system and 1 smaller public system such as schools, businesses or campgrounds buy water from Round Lake. 1 other public water system has an emergency connection to Round Lake.
Buys water from
- Central Lake County Jawa Lake Bluff, IL
Emergency or part-time connections to
- Round Lake Park Round Lake Park, IL
Community systems that buy water from it
- Cambridge Courts MHP Northbrook, IL
Annual water quality report
Round Lake must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Illinois.
Certified drinking water labs by state EPA guidance for private wells