A93/100
Jonesboro Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,799 residents · Illinois
What's In Jonesboro's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
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
JONESBORO
Population Served
1,799
Water Source
Purchased Groundwater
System ID
IL1810250
Frequently Asked Questions About Jonesboro Water
Is Jonesboro tap water safe to drink?
Jonesboro, Illinois tap water receives a grade of A (93/100), which is considered excellent. 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 Jonesboro's water?
1 contaminants were tested in Jonesboro's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Jonesboro have any water quality violations?
Yes, Jonesboro has 3 EPA violation(s) on record, with the most recent in 2022. Violation types include MCL, Other, MR. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in Jonesboro?
Jonesboro 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 Jonesboro's tap water come from?
Jonesboro's drinking water is sourced from purchased groundwater and supplied by JONESBORO. The system serves approximately 1,799 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Jonesboro'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. Jonesboro'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 Jonesboro's water compare to other cities in Illinois?
Jonesboro's water quality score of 93/100 earns a grade of A, which is considered excellent. This places Jonesboro 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 Jonesboro's water quality?
If you have concerns about Jonesboro'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 (JONESBORO) 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.