Peru, Illinois Water Quality Report

Water Source

19

Water Systems

17K

People Served

Ground water

Water Source

Detected Contaminants

Contaminant	Detected Level	EPA Limit (MCL)	Health Guideline	% of Limit	Status
lithium	75.7	No federal limit	10.0 ug/L(EPA/USGS HBSL)	757%	Above guideline

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Compliance & Violations

Active Violations (52)

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

72

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

4G

Oct 17, 2024

minor

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

52

Oct 1, 2024

moderate

52

Oct 1, 2024

moderate

52

Oct 1, 2024

moderate

Resolved Violations (448)

75

Aug 22, 2025

minor

75

Aug 22, 2025

minor

3A

Jul 1, 2025 — Jul 31, 2025

minor

75

Feb 21, 2025

minor

75

Feb 21, 2025

minor

+ 443 more resolved violations

Frequently Asked Questions

Is Peru tap water safe to drink?

Peru's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.

What contaminants are in Peru tap water?

1 contaminants have been detected in Peru's water supply across 19 water systems. See the full contaminant table above for details.

How can I improve my water quality in Peru?

Install a water filter rated for the specific contaminants found in Peru's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.

Does Peru have any water quality violations?

Yes, Peru currently has 398 active violations. See the violations section above for details.