A96/100
Wood Dale Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 14,012 residents · Illinois
What's In Wood Dale's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Unresolved
Surface water treatment technique failure
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
WOOD DALE
Population Served
14,012
Water Source
Purchased Surface Water
System ID
IL0431200
Frequently Asked Questions About Wood Dale Water
Is Wood Dale tap water safe to drink?
Wood Dale, Illinois tap water receives a grade of A (96/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Wood Dale's water?
69 contaminants were tested in Wood Dale's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Wood Dale have any water quality violations?
Yes, Wood Dale has 4 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR. None of these are classified as health-based violations.
Do I need a water filter in Wood Dale?
Wood Dale water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does Wood Dale's tap water come from?
Wood Dale's drinking water is sourced from purchased surface water and supplied by WOOD DALE. The system serves approximately 14,012 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Wood Dale's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Wood Dale's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Wood Dale's water compare to other cities in Illinois?
Wood Dale's water quality score of 96/100 earns a grade of A, which is considered excellent. This places Wood Dale among the better-performing water systems in Illinois. Visit our Illinois state page to see how all cities in the state compare.
What should I do if I'm concerned about Wood Dale's water quality?
If you have concerns about Wood Dale's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (WOOD DALE) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.