Lead in Peoria, IL Drinking Water
Lead data for Peoria, Illinois · 143,381 residents · 29 ZIP codes
If you rely on a public water system in Peoria, Illinois, Lead is a contaminant your utility has been required to test for — and EPA records show it has been detected at measurable levels, making it worth understanding as part of your tap water's detection record.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
Lead in Peoria Tap Water
Lead has been detected in Peoria, Illinois drinking water at a maximum level of 25 ppb — 1.67x the EPA action level.
This analysis covers 143,381 residents across 29 ZIP codes in Peoria.
Peoria's overall water quality grade is F (28/100).
Is Lead in Peoria Water Safe?
If you live in an affected ZIP code, consider installing a reverse osmosis or nsf 53 carbon block filter certified under NSF 53 / NSF 58 and testing your water independently.
Lead Levels by ZIP Code
| ZIP Code | Lead Level | EPA Limit | Status |
|---|---|---|---|
| 61601 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61602 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61603 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61604 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61605 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61606 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61607 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61612 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61613 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61614 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61615 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61625 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61629 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61630 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61633 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61634 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61636 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61637 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61638 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61639 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61641 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61643 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61650 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61651 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| 61652 | 25 ppb | 15 ppb (action level) | Exceeds limit |
| ...4 more ZIP codes |
Average lead level across Peoria: 25 ppb
Health Effects of Lead
- Brain development delays and reduced IQ in children
- Behavioral problems and learning disabilities
- High blood pressure and kidney damage in adults
- Increased risk of premature birth in pregnant women
Health risk severity: High. Governed by the Lead and Copper Rule Revisions (LCRR/LCRI).
How Lead Gets Into Drinking Water
- Corrosion of lead service lines (pipes connecting water main to home)
- Lead solder in copper plumbing joints (pre-1986 homes)
- Brass fixtures and faucets manufactured before 2014
- Stagnant water that sits in lead-containing pipes overnight
What to Do About Lead in Peoria Water
- Install an NSF 53 or NSF 58 certified filter at kitchen sink
- Run cold water for 30 seconds before using for drinking or cooking
- Use cold water only for cooking and preparing formula
- Consider whole-home reverse osmosis if lead service line is present
Look for filters certified under NSF 53 / NSF 58 for lead removal.