A94/100
DOWELL — Water Quality Report 2026
Serving 1,188 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0770250
Violations
6
Contaminant Test Results
EPA Violation History
2
Violations (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
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: April 1, 2023 – June 30, 2023Rule: 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
Frequently Asked Questions About DOWELL
Is DOWELL water safe to drink?
DOWELL water receives a grade of A (94/100), which is considered excellent. Out of 4 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has DOWELL detected?
4 contaminants were tested in DOWELL's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does DOWELL have any EPA violations?
Yes, DOWELL has 6 EPA violation(s) on record, with the most recent in 2024. Violation types include MR.
How many people does DOWELL serve?
DOWELL serves approximately 1,188 people, Illinois. The system provides water to 1 community: Dowell.
What type of water does DOWELL provide?
DOWELL sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL0770250.
How does DOWELL compare to other utilities in Illinois?
DOWELL scores 94/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Illinois state page for a full comparison of water systems.