Public water system record

Rockdale

Serves Rockdale, Will County, IL · 2,012 people served

Federal records show no health-based violations and 15 monitoring/reporting issues for Rockdale in the last ten years. At least one of these issues remains unresolved.

  • IL1970850
  • ROCKDALE
  • IL
  • 2,012 served

System profile

Source water Groundwater
ZIP 60436
EPA system ID IL1970850

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
15

Key facts

  • Rockdale draws water from 2 wells.
  • Most recent formal enforcement: signed compliance agreement by Illinois, April 2008.
  • Record on file since 1977, with 36 health-based violations before October 19, 2016.
  • Lead pipe inventory: 50 lead and 59 unknown out of 852 service lines.

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Health-based violations

Since October 2016

Violation 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 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Combined Radium (-226 and -228)
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Consumer Confidence Rule
OTHER
Jul 1, 2025 Active
Combined Radium (-226 and -228)
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Oct 11, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Active
Consumer Confidence Rule
OTHER
Jul 1, 2023 Active
Pentachlorophenol
Monitoring and reporting
Jul 1, 2023 Resolved
Public Notice
OTHER
Apr 20, 2023 Active
Lead and Copper Rule
Monitoring and reporting
Sep 29, 2022 Active
Consumer Confidence Rule
OTHER
Jul 1, 2022 Resolved
Public Notice
OTHER
Jan 13, 2022 Active
Combined Radium (-226 and -228)
Monitoring and reporting
Jan 1, 2022 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Oct 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2021 Resolved
Chlorine
Monitoring and reporting
Oct 1, 2020 Resolved

Full record since 1977

EPA's records for Rockdale go back to 1977. Before October 19, 2016 they list 36 health-based violations (35 resolved, 1 archived by EPA without a recorded fix) and 10 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 1
1980s 3 1
1990s 2 1
2000s 31 5
2010 to October 18, 2016 0 2
2020s 0 15

Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began October 2009, Resolved.

Show all 36 health-based violations before October 19, 2016
Contaminant Start date Status
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
Oct 1, 2009 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
Jul 1, 2009 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
Jul 1, 2009 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
Apr 1, 2009 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
Jan 1, 2009 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10 pCi/L, federal limit 5 pCi/L (2 times the limit)
Oct 1, 2008 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
Jul 1, 2008 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10 pCi/L, federal limit 5 pCi/L (2 times the limit)
Apr 1, 2008 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
Jan 1, 2008 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
Oct 1, 2007 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
Jul 1, 2007 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
Apr 1, 2007 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
Jan 1, 2007 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
Oct 1, 2006 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
Jul 1, 2006 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
Apr 1, 2006 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
Jan 1, 2006 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 2005 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jul 1, 2005 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Apr 1, 2005 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jan 1, 2005 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 2004 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jul 1, 2004 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Apr 1, 2004 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jan 1, 2004 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jul 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Apr 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jan 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 2002 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 2001 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Sep 23, 1997 Archived
Combined Radium (-226 and -228)
Contaminant limit exceeded
Aug 1, 1993 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Aug 1, 1989 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Jun 10, 1986 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Aug 23, 1985 Resolved

Enforcement actions

Illinois regulators took 4 formal enforcement actions against Rockdale between 2001 and 2008. The most recent was a signed compliance agreement in April 2008.

Date By Action Violations covered
Apr 1, 2008 Illinois Signed compliance agreement 31 violations (31 health-based): Combined Radium (-226 and -228)
Apr 7, 2004 Illinois Signed compliance agreement 24 violations (24 health-based): Combined Radium (-226 and -228)
Mar 25, 2004 Illinois Signed compliance agreement 22 violations (22 health-based): Combined Radium (-226 and -228)
Dec 4, 2001 Illinois Signed compliance agreement 4 violations (4 health-based): Combined Radium (-226 and -228)

Where the water comes from

Rockdale draws water from 2 wells. It also buys water from Joliet.

Buys water from

Annual water quality report

Rockdale 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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.