Peoria, IL: Lead Above EPA Limits — 28/100 (2026)
29 ZIP codes · 8 water systems · Updated 2026-06-03
Public water data for Peoria, IL shows a low safety grade — health-based violations appear across a meaningful share of service areas in current EPA records.
How Peoria Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Peoria, IL
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Peoria's 29 ZIP codes.
Key Facts for Peoria Residents
- Your city's water systems recorded 232 violations in the past 5 years.
- Average lead level: 0.025 mg/L — exceeds the EPA action level of 0.015 mg/L.
- Estimated remediation: $4,090 per household.
- CDC health risk index: 13.18 — above typical levels.
Peoria's Water Providers
Structurally, Peoria, IL's water supply is divided. Federal data identifies 8 water systems in the area, with 3 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.
Overview
We track water quality and home safety data for 29 ZIP codes in Peoria, Illinois, covering 8 community water systems serving approximately 127,011 people.
29 of 29 ZIP codes (100%) have recorded EPA violations. 58 health-based violations documented.
Home Safety Score
Average Home Safety Score for Peoria: F (28/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Peoria water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0250 mg/L (exceeds EPA action level) (EPA action level: 0.015 mg/L)
- 29 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 29 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | 180 | 29 |
| Lead and Copper Rule | Treatment Technique | 60 | 29 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 61601 | F | 8 | 2 | Il American-peoria |
| 61602 | F | 8 | 2 | Il American-peoria |
| 61603 | F | 8 | 2 | Il American-peoria |
| 61604 | F | 8 | 2 | Il American-peoria |
| 61605 | F | 8 | 2 | Il American-peoria |
| 61606 | F | 8 | 2 | Il American-peoria |
| 61607 | F | 8 | 2 | Il American-peoria |
| 61612 | F | 8 | 2 | Il American-peoria |
| 61613 | F | 8 | 2 | Il American-peoria |
| 61614 | F | 8 | 2 | Il American-peoria |
All ZIP Codes in Peoria
- 61601 [F] — 8 violations ⚠
- 61602 [F] — 8 violations ⚠
- 61603 [F] — 8 violations ⚠
- 61604 [F] — 8 violations ⚠
- 61605 [F] — 8 violations ⚠
- 61606 [F] — 8 violations ⚠
- 61607 [F] — 8 violations ⚠
- 61612 [F] — 8 violations ⚠
- 61613 [F] — 8 violations ⚠
- 61614 [F] — 8 violations ⚠
- 61615 [F] — 8 violations ⚠
- 61625 [F] — 8 violations ⚠
- 61629 [F] — 8 violations ⚠
- 61630 [F] — 8 violations ⚠
- 61633 [F] — 8 violations ⚠
- 61634 [F] — 8 violations ⚠
- 61636 [F] — 8 violations ⚠
- 61637 [F] — 8 violations ⚠
- 61638 [F] — 8 violations ⚠
- 61639 [F] — 8 violations ⚠
- 61641 [F] — 8 violations ⚠
- 61643 [F] — 8 violations ⚠
- 61650 [F] — 8 violations ⚠
- 61651 [F] — 8 violations ⚠
- 61652 [F] — 8 violations ⚠
- 61653 [F] — 8 violations ⚠
- 61654 [F] — 8 violations ⚠
- 61655 [F] — 8 violations ⚠
- 61656 [F] — 8 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Peoria Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Peoria's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Peoria
At current Peoria valuations, the remediation share sits in the elevated tier — a level where deliberate financial planning becomes a practical prerequisite rather than a convenience for most homeowners.
At 2.6% of home value, remediation costs in Peoria represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $2,677–$5,654. Home values here are 16% below the Illinois average.
Peoria: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
If you have young children or are pregnant, consider testing your home's water — especially if your home was built before 1986.
<strong>29 ZIP codes</strong> (100% of the city) exceed the EPA lead action level of 0.015 mg/L.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Peoria: Flood History & Water Damage Risk
What does a high NFIP claim count mean for water quality in Peoria? The 825 documented claims reflect a flood history frequent enough that those infrastructure degradation pathways — treatment overload, well infiltration, backflow — have almost certainly been periodically activated. That record makes flood timing a relevant factor in local water quality assessment, particularly in the 48% of ZIP codes FEMA has designated as flood zones.
Peoria has a significant flood history with 825 FEMA flood insurance claims on record, averaging $7,106 per claim. With 48% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$4,090</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Peoria
- Test your water at home. City-level data shows averages — your tap may differ. Lead testing is especially recommended given the area's lead levels.
- Install a certified water filter. Filters rated for Stage 2 DBP Rule can reduce the most common contaminant found in Peoria's water.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Peoria, IL