D34/100
Fox River Grove Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 4,702 residents · Illinois
What's In Fox River Grove's Tap Water?
32
Contaminants Tested
1
Exceed EPA Limits
0
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.72 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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
FOX RIVER GROVE
Population Served
4,702
Water Source
Groundwater
System ID
IL1110200
Frequently Asked Questions About Fox River Grove Water
Is Fox River Grove tap water safe to drink?
Fox River Grove, Illinois tap water receives a grade of D (34/100), which is considered poor. 1 contaminant(s) exceed EPA maximum contaminant levels and 18 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Fox River Grove's water?
Of the 32 contaminants tested in Fox River Grove's water supply, the most notable include Copper (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Fox River Grove have any water quality violations?
Yes, Fox River Grove has 18 EPA violation(s) on record, with the most recent in 2020. Violation types include TT, Other, MR. 10 of these are health-based violations, which are the most serious category.
Do I need a water filter in Fox River Grove?
Based on EPA data, using a water filter in Fox River Grove is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Fox River Grove's tap water come from?
Fox River Grove's drinking water is sourced from groundwater and supplied by FOX RIVER GROVE. The system serves approximately 4,702 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Fox River Grove'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. Fox River Grove'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 Fox River Grove's water compare to other cities in Illinois?
Fox River Grove's water quality score of 34/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our Illinois state page to see how all cities in the state compare.
What should I do if I'm concerned about Fox River Grove's water quality?
If you have concerns about Fox River Grove'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 (FOX RIVER GROVE) 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.