A81/100
Hazel Crest Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 13,098 residents · Illinois
What's In Hazel Crest's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.013 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
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
HAZEL CREST
Population Served
13,098
Water Source
Purchased Surface Water
System ID
IL0311170
Frequently Asked Questions About Hazel Crest Water
Is Hazel Crest tap water safe to drink?
Hazel Crest, Illinois tap water receives a grade of A (81/100), which is considered excellent. Out of 69 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 Hazel Crest's water?
Of the 69 contaminants tested in Hazel Crest'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 Hazel Crest have any water quality violations?
Yes, Hazel Crest has 8 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, TT. 2 of these are health-based violations, which are the most serious category.
Do I need a water filter in Hazel Crest?
Hazel Crest 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 Hazel Crest's tap water come from?
Hazel Crest's drinking water is sourced from purchased surface water and supplied by HAZEL CREST. The system serves approximately 13,098 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Hazel Crest'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. Hazel Crest'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 Hazel Crest's water compare to other cities in Illinois?
Hazel Crest's water quality score of 81/100 earns a grade of A, which is considered excellent. This places Hazel Crest 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 Hazel Crest's water quality?
If you have concerns about Hazel Crest'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 (HAZEL CREST) 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.