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Public water system record

Riverdale

Serves Riverdale, Cook County, IL · 10,266 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Riverdale in the last ten years. At least one of these issues remains unresolved.

  • IL0312580
  • RIVERDALE
  • IL
  • 10,266 served

System profile

Source water Purchased surface water
ZIP 60827
EPA system ID IL0312580

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
1

Key facts

  • Riverdale buys its water from Chicago.
  • Record on file since 1991, with 6 health-based violations before October 19, 2016.
  • Lead pipe inventory: 172 lead and 2,783 unknown out of 3,228 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
Consumer Confidence Rule
OTHER
 Jul 1, 2025 Active

Full record since 1991

EPA's records for Riverdale go back to 1991. Before October 19, 2016 they list 6 health-based violations (4 resolved, 2 archived by EPA without a recorded fix) and 7 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 5 4
2000s 1 2
2010 to October 18, 2016 0 1
2020s 0 1

Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began January 2000, Resolved.

Show all 6 health-based violations before October 19, 2016
Contaminant Start date Status
Lead and Copper Rule
Treatment technique failure
 Jan 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 1996 Archived
Lead and Copper Rule
Treatment technique failure
 Jan 1, 1994 Resolved
Lead and Copper Rule
Treatment technique failure
 Jan 1, 1993 Resolved
Lead and Copper Rule
Treatment technique failure
 Dec 7, 1992 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 1991 Archived

Where the water comes from

Riverdale buys its water from Chicago. It lists no wells or intakes of its own. 1 other public water system has an emergency connection to Riverdale.

Buys water from

Annual water quality report

Riverdale 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