B74/100
New Lenox Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 27,690 residents · Illinois
What's In New Lenox's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2009.
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
NEW LENOX
Population Served
27,690
Water Source
Purchased Surface Water
System ID
IL1970700
Frequently Asked Questions About New Lenox Water
Is New Lenox tap water safe to drink?
New Lenox, Illinois tap water receives a grade of B (74/100), which is considered good. 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 New Lenox's water?
69 contaminants were tested in New Lenox's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does New Lenox have any water quality violations?
Yes, New Lenox has 10 EPA violation(s) on record, with the most recent in 2009. Violation types include MR, MCL. 4 of these are health-based violations, which are the most serious category.
Do I need a water filter in New Lenox?
New Lenox 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 New Lenox's tap water come from?
New Lenox's drinking water is sourced from purchased surface water and supplied by NEW LENOX. The system serves approximately 27,690 people. Surface water sources include rivers, lakes, and reservoirs.
How often is New Lenox'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. New Lenox'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 New Lenox's water compare to other cities in Illinois?
New Lenox's water quality score of 74/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Illinois state page to see how all cities in the state compare.
What should I do if I'm concerned about New Lenox's water quality?
If you have concerns about New Lenox'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 (NEW LENOX) 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.