Bloomington, IL: 16 Health Violations — 57/100 (2026)
8 ZIP codes · 6 water systems · Updated 2026-06-03
Although much of Bloomington meets baseline drinking water standards, some IL-tracked service areas show violations that merit a closer look — particularly for older housing stock.
How Bloomington Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Bloomington, IL
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Bloomington's 8 ZIP codes.
Key Facts for Bloomington Residents
- Your city's water systems recorded 248 violations in the past 5 years.
- Average lead level: 0.0052 mg/L.
- Estimated remediation: $2,363 per household.
- CDC health risk index: 11.72.
Bloomington's Water Providers
Bloomington, IL is covered by 3 major water utilities out of 6 federally tracked systems, each managing its own pipes, treatment processes, and EPA filings. What a household gets from the tap depends on which provider's system serves that address.
Overview
We track water quality and home safety data for 8 ZIP codes in Bloomington, Illinois (population ~85,488), covering 6 community water systems serving approximately 134,796 people region-wide.
8 of 8 ZIP codes (100%) have recorded EPA violations. 16 health-based violations documented.
Home Safety Score
Average Home Safety Score for Bloomington: C (57/100)
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
Bloomington water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0052 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 8 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 |
|---|---|---|---|
| Contaminant 1006 | Other | 54 | 8 |
| Consumer Confidence Report Rule | Reporting | 54 | 8 |
| Stage 2 DBP Rule | Treatment Technique | 45 | 8 |
| Stage 1 DBP Rule | Treatment Technique | 36 | 8 |
| Surface Water Treatment Rule | Treatment Technique | 36 | 8 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 61701 | C | 31 | 2 | Bloomington |
| 61702 | C | 31 | 2 | Bloomington |
| 61704 | C | 31 | 2 | Bloomington |
| 61705 | C | 31 | 2 | Bloomington |
| 61709 | C | 31 | 2 | Bloomington |
| 61710 | C | 31 | 2 | Bloomington |
| 61791 | C | 31 | 2 | Bloomington |
| 61799 | C | 31 | 2 | Bloomington |
All ZIP Codes in Bloomington
- 61701 [C] — 31 violations ⚠
- 61702 [C] — 31 violations ⚠
- 61704 [C] — 31 violations ⚠
- 61705 [C] — 31 violations ⚠
- 61709 [C] — 31 violations ⚠
- 61710 [C] — 31 violations ⚠
- 61791 [C] — 31 violations ⚠
- 61799 [C] — 31 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.
Bloomington 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 Bloomington's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Bloomington
While no remediation project is entirely without cost, the relationship between estimated remediation and property values in Bloomington is notably favorable — the equity share is small enough that the household financial perspective is one of proportionality rather than pressure, and most homeowners can treat it as routine planning rather than a significant financial event.
Remediation costs in Bloomington are relatively low compared to home values. The $1,513–$3,388 estimated range is a small fraction of median property value. Home values are 32% above the Illinois average.
Bloomington: 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.
Lead risk in Bloomington appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Bloomington: Flood History & Water Damage Risk
The National Flood Insurance Program captures decades of claims at the local level, building a record of cumulative community flood exposure. For Bloomington, that record documents 63 claims and 50% of ZIP codes inside FEMA-designated flood zones. What makes those numbers relevant to water quality is the set of mechanisms flooding activates: heavy precipitation that floods treatment intake zones can introduce contaminants upstream of normal filtration; well casings in low-lying areas can be infiltrated by floodwaters carrying bacteria, sediment, and chemical residue; and distribution system pressure changes during flooding can create backflow conditions. These effects become more probable as flood frequency and magnitude increase — and the NFIP record indicates both are meaningful factors locally.
Bloomington has a moderate flood history with 63 FEMA claims averaging $7,098 per payout. 50% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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>$2,363</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 Bloomington
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Contaminant 1006 can reduce the most common contaminant found in Bloomington's water.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Bloomington, IL