When: May 28, 2023 – August 12, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved
Failed to issue initial public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – December 27, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – December 31, 2022Enforcement: 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 SILVIS
Is SILVIS water safe to drink?
SILVIS water receives a grade of F (13/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 64 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SILVIS detected?
31 contaminants were tested in SILVIS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SILVIS have any EPA violations?
Yes, SILVIS has 64 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, MR. 5 are health-based violations.
How many people does SILVIS serve?
SILVIS serves approximately 7,473 people, Illinois. The system provides water to 1 community: Silvis.
What type of water does SILVIS provide?
SILVIS 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 IL1610700.
How does SILVIS compare to other utilities in Illinois?
SILVIS scores 13/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Illinois state page for a full comparison of water systems.