A98/100
GREENWOOD-CREEK NATION WATER COMPANY — Water Quality Report 2026
Serving 2,530 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0555200
Violations
2
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2011.
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 GREENWOOD-CREEK NATION WATER COMPANY
Is GREENWOOD-CREEK NATION WATER COMPANY water safe to drink?
GREENWOOD-CREEK NATION WATER COMPANY water receives a grade of A (98/100), which is considered excellent. Out of 4 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has GREENWOOD-CREEK NATION WATER COMPANY detected?
4 contaminants were tested in GREENWOOD-CREEK NATION WATER COMPANY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does GREENWOOD-CREEK NATION WATER COMPANY have any EPA violations?
Yes, GREENWOOD-CREEK NATION WATER COMPANY has 2 EPA violation(s) on record, with the most recent in 2011. Violation types include Other.
How many people does GREENWOOD-CREEK NATION WATER COMPANY serve?
GREENWOOD-CREEK NATION WATER COMPANY serves approximately 2,530 people, Illinois.
What type of water does GREENWOOD-CREEK NATION WATER COMPANY provide?
GREENWOOD-CREEK NATION WATER COMPANY 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 IL0555200.
How does GREENWOOD-CREEK NATION WATER COMPANY compare to other utilities in Illinois?
GREENWOOD-CREEK NATION WATER COMPANY scores 98/100 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.