Tap Truth EPA drinking water records, in plain English

Public water system record

Peru

Serves Peru, LaSalle County, IL · 10,300 people served

Federal records show 1 health-based violation and 4 monitoring/reporting issues for Peru in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • IL0990850
  • PERU
  • IL
  • 10,300 served

System profile

Source water Groundwater
ZIP 61354
EPA system ID IL0990850

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
4

Key facts

  • Peru draws water from 5 wells.
  • Record on file since 1977, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 155 lead and 2,859 unknown out of 4,929 service lines.

Check whether Peru serves your address

Address suggestions by Mapbox

Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
 350 Oct 17, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Public Notice
OTHER
 Aug 22, 2025 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
 Jul 2, 2025 Active
Revised Total Coliform Rule
Monitoring violation
 Jun 1, 2023 Resolved
Chlorine
Monitoring and reporting
 Apr 1, 2023 Resolved

Full record since 1977

EPA's records for Peru go back to 1977. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 1
1990s 2 0
2010 to October 18, 2016 0 1
2020s 1 4

Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began January 1993, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Lead and Copper Rule
Treatment technique failure
 Jan 1, 1993 Resolved
Lead and Copper Rule
Treatment technique failure
 Dec 7, 1992 Resolved

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Peru draws water from 5 wells. 4 smaller public systems such as schools, businesses or campgrounds buy water from Peru.

Annual water quality report

Peru 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