Springfield, IL: 342 Violations — 52/100 (2026)
38 ZIP codes · 11 water systems · Updated 2026-06-03
Water monitoring data from Springfield, IL tells a below-average story — health violations are present and system-level detail is worth reviewing before drawing conclusions.
How Springfield Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Springfield, IL
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Distribution of water safety grades across Springfield.
Springfield Water: The Quick Version
- Your city's water systems recorded 342 violations in the past 5 years.
- Estimated remediation: $1,497 per household.
- CDC health risk index: 13.45 — above typical levels.
Water Systems Serving Springfield
In Springfield, IL, residential water supply is distributed across multiple utilities rather than concentrated in one. The 3 leading providers out of 11 tracked systems each control their own infrastructure, file separate EPA compliance reports, and set independent rate schedules.
Overview
We track water quality and home safety data for 38 ZIP codes in Springfield, Illinois, covering 11 community water systems serving approximately 137,953 people.
38 of 38 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Springfield: D (52/100)
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
Springfield water systems draw from: Groundwater, Surface water.
Lead & Copper
- Lead data: not yet available for Springfield
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 38 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 | 117 | 38 |
| Consumer Confidence Report Rule | Reporting | 117 | 38 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 78 | 38 |
| Surface Water Treatment Rule | Treatment Technique | 39 | 38 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 62701 | C | 9 | 0 | Springfield |
| 62702 | D | 9 | 0 | Springfield |
| 62703 | D | 9 | 0 | Springfield |
| 62704 | D | 9 | 0 | Springfield |
| 62705 | D | 9 | 0 | Springfield |
| 62706 | D | 9 | 0 | Springfield |
| 62707 | D | 9 | 0 | Springfield |
| 62708 | D | 9 | 0 | Springfield |
| 62711 | C | 9 | 0 | Springfield |
| 62712 | C | 9 | 0 | Springfield |
All ZIP Codes in Springfield
- 62701 [C] — 9 violations
- 62702 [D] — 9 violations
- 62703 [D] — 9 violations
- 62704 [D] — 9 violations
- 62705 [D] — 9 violations
- 62706 [D] — 9 violations
- 62707 [D] — 9 violations
- 62708 [D] — 9 violations
- 62711 [C] — 9 violations
- 62712 [C] — 9 violations
- 62713 [D] — 9 violations
- 62715 [D] — 9 violations
- 62716 [D] — 9 violations
- 62719 [D] — 9 violations
- 62721 [D] — 9 violations
- 62722 [D] — 9 violations
- 62723 [D] — 9 violations
- 62726 [D] — 9 violations
- 62736 [D] — 9 violations
- 62739 [D] — 9 violations
- 62746 [D] — 9 violations
- 62756 [D] — 9 violations
- 62757 [D] — 9 violations
- 62761 [C] — 9 violations
- 62762 [D] — 9 violations
- 62763 [D] — 9 violations
- 62764 [D] — 9 violations
- 62765 [D] — 9 violations
- 62766 [D] — 9 violations
- 62767 [D] — 9 violations
- 62769 [D] — 9 violations
- 62776 [D] — 9 violations
- 62777 [D] — 9 violations
- 62781 [D] — 9 violations
- 62786 [D] — 9 violations
- 62791 [D] — 9 violations
- 62794 [D] — 9 violations
- 62796 [D] — 9 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.
CDC Health Data for Springfield
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
Key Contaminants Detected in Springfield
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Springfield: Remediation Cost in Perspective
When estimated remediation is placed alongside median property values in Springfield, the resulting ratio is low — a finding consistent with a household financial perspective where documented issues can be addressed without a meaningful impact on overall equity position, making this market one of the more favorable contexts for remediation planning.
Remediation costs in Springfield are relatively low compared to home values. The $997–$1,937 estimated range is a small fraction of median property value. Home values are 9% below the Illinois average.
Climate-Related Water Risk for Springfield
NFIP records stretching across multiple decades show Springfield accumulating 132 claims and carrying 21% of its ZIP codes inside FEMA flood zones — evidence of meaningful exposure that extends beyond isolated incidents. The mechanisms linking flooding to water quality haven't changed: treatment facilities can be overwhelmed, wells can be infiltrated, and distribution systems can experience backflow. For a community at this exposure level, those mechanisms shift from hypothetical to periodically relevant.
Springfield has a moderate flood history with 132 FEMA claims averaging $14,609 per payout. 21% 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>$1,497</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 Springfield
- 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 Springfield'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 Springfield, IL