B62/100
East Dubuque Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,565 residents · Illinois
What's In East Dubuque's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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
EAST DUBUQUE
Population Served
1,565
Water Source
Groundwater
System ID
IL0850100
Frequently Asked Questions About East Dubuque Water
Is East Dubuque tap water safe to drink?
East Dubuque, Illinois tap water receives a grade of B (62/100), which is considered good. Out of 1 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 East Dubuque's water?
1 contaminants were tested in East Dubuque's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does East Dubuque have any water quality violations?
Yes, East Dubuque has 38 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other. None of these are classified as health-based violations.
Do I need a water filter in East Dubuque?
East Dubuque 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 East Dubuque's tap water come from?
East Dubuque's drinking water is sourced from groundwater and supplied by EAST DUBUQUE. The system serves approximately 1,565 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is East Dubuque'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. East Dubuque'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 East Dubuque's water compare to other cities in Illinois?
East Dubuque's water quality score of 62/100 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 East Dubuque's water quality?
If you have concerns about East Dubuque'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 (EAST DUBUQUE) 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.