A90/100
North Pekin Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,478 residents · Illinois
What's In North Pekin's Tap Water?
27
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 409.00 µg/L | — | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
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.
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
NORTH PEKIN
Population Served
1,478
Water Source
Groundwater
System ID
IL1790550
Frequently Asked Questions About North Pekin Water
Is North Pekin tap water safe to drink?
North Pekin, Illinois tap water receives a grade of A (90/100), which is considered excellent. Out of 27 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 North Pekin's water?
Of the 27 contaminants tested in North Pekin's water supply, the most notable include chlorate. 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 North Pekin have any water quality violations?
Yes, North Pekin has 3 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, MCL. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in North Pekin?
North Pekin 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 North Pekin's tap water come from?
North Pekin's drinking water is sourced from groundwater and supplied by NORTH PEKIN. The system serves approximately 1,478 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is North Pekin'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. North Pekin'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 North Pekin's water compare to other cities in Illinois?
North Pekin's water quality score of 90/100 earns a grade of A, which is considered excellent. This places North Pekin 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 North Pekin's water quality?
If you have concerns about North Pekin'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 (NORTH PEKIN) 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.