A80/100
Normal Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 59,336 residents · Illinois
What's In Normal's Tap Water?
66
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.009 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1993.
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
NORMAL
Population Served
52,736
Water Source
Groundwater
System ID
IL1130900
ILLINOIS STATE UNIVERSITY-NORMAL
Population Served
6,600
Water Source
Purchased Groundwater
System ID
IL1135510
Frequently Asked Questions About Normal Water
Is Normal tap water safe to drink?
Normal, Illinois tap water receives a grade of A (80/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Normal's water?
Of the 66 contaminants tested in Normal's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Normal have any water quality violations?
Yes, Normal has 28 EPA violation(s) on record, with the most recent in 2023. Violation types include MON, MR, Other. 2 of these are health-based violations, which are the most serious category.
Do I need a water filter in Normal?
Normal 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. 1 contaminant(s) exceed these stricter goals.
Where does Normal's tap water come from?
Normal's drinking water is sourced from groundwater and supplied by NORMAL and 1 other water system(s). The system serves approximately 59,336 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Normal'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. Normal'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 Normal's water compare to other cities in Illinois?
Normal's water quality score of 80/100 earns a grade of A, which is considered excellent. This places Normal 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 Normal's water quality?
If you have concerns about Normal'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 (NORMAL) 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.