Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03

Reviewing EPA compliance files for Wood Dale, IL surfaces 4 documented water violations — each categorized by violation type and linked to the utility that drew the federal citation.

Water Quality by ZIP Code in Wood Dale

Water quality varies across Wood Dale's 2 ZIP codes. Check your specific ZIP for detailed contaminant data.

ZIP Code	Grade	Score	Violations	Health
60191	C	56	2	0	View report →
60399	C	68	2	0	View report →

Water Quality Overview

Wood Dale, Illinois receives a water quality grade of C with an overall score of 62 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).

The 1 water system serving Wood Dale have accumulated 4 EPA violations (all monitoring/reporting type). These violations are tracked across 2 ZIP codes serving approximately 14,012 people.

What Grade C Means

A grade of C indicates moderate compliance issues. Wood Dale's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.

Lead Levels

Lead testing data for Wood Dale is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.

With 76% of homes built before 1986, Wood Dale has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.

Radon Risk

Wood Dale is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.

Water Systems Serving Wood Dale

Wood Dale is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 14,012 people across 2 ZIP codes.

Each water system is identified by a Public Water System ID (PWSID) and is required to:

• Test for over 90 regulated contaminants on a regular schedule
• Report results to the EPA and state regulators
• Issue an annual Consumer Confidence Report (CCR) to all customers
• Take corrective action when violations occur

The EPA has taken 4 enforcement actions against water systems serving Wood Dale. Enforcement actions range from informal compliance assistance to formal orders and penalties.

How to Check Your Water in Wood Dale

1. Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores

2. Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants

3. Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel

4. Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics

5. Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts

Contaminants Detected in Wood Dale Water Systems

The following contaminants have been detected or caused violations across Wood Dale's water systems:

MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.

EPA Enforcement History

The EPA and state regulators have taken 2 enforcement actions against water systems serving Wood Dale. Recent actions:

Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-08-27.

Wood Dale vs. Nearby Illinois Cities

How Wood Dale's water quality compares to similar cities in Illinois:

Common Questions About Wood Dale Water

These are the most common questions residents search for about water quality in Wood Dale, Illinois:

Is Wood Dale water hard or soft? Water hardness varies by source. Wood Dale's 1 water system uses a single source. Check your ZIP code report for specific hardness data.

Can I drink Wood Dale tap water? Wood Dale's water receives a grade of C (62/100). No health-based violations have been recorded, but home testing is always recommended.

What is the best water filter for Wood Dale? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.

Wood Dale vs. Illinois Average

Understanding how Wood Dale compares to the broader Illinois average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.

To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Wood Dale.

ZIP Codes in Wood Dale

Wood Dale spans 2 ZIP codes. The ZIP with the lowest water quality score is 60191. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.

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
• Enforcement: EPA ECHO database
• Filter recommendations: NSF/ANSI certified products

Updated daily.