Water Quality in CHARLESTON, IL (61920)
EPA violation data for public water systems serving ZIP code 61920.
23
Total Violations
3
Health-Based
20
Monitoring / Reporting
14
Resolved
What does this mean?
14 of 23 violations have been resolved. 3 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 20 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (23 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Groundwater Rule | Monitoring | N/A | N/A | Sep 21, 2025 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Aug 31, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Aug 31, 2025 | Resolved | N/A |
| Chloramine | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort; anemia |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Active | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(15)
Groundwater Rule
20
Public Notice
75
Public Notice
75
Chloramine
27
Revised Total Coliform Rule
3A
Consumer Confidence Rule
72
Consumer Confidence Rule
72
Consumer Confidence Rule
72
Consumer Confidence Rule
71
Consumer Confidence Rule
71
Chloramine
27
Chloramine
27
Chloramine
27
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
2024(7)
E. COLI
34
E. COLI
34
E. COLI
34
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
Consumer Confidence Rule
72
How Does This Compare?
CHARLESTON (61920) has 23 recorded violations, including 3 health-based. 9 remain unresolved. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.