Water Quality in OSWEGO, IL (60543)
EPA violation data for public water systems serving ZIP code 60543.
54
Total Violations
0
Health-Based
54
Monitoring / Reporting
50
Resolved
What does this mean?
50 of 54 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 54 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 (54 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Public Notice | Monitoring | N/A | N/A | Jul 17, 2025 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 23, 2025 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Aug 31, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Aug 31, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Aug 31, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Aug 31, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Public Notice | Monitoring | N/A | N/A | Apr 23, 2024 | Active | N/A |
Violation Timeline
2025(2)
Public Notice
75
Public Notice
75
2024(11)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
Public Notice
75
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
How Does This Compare?
OSWEGO (60543) has 54 recorded violations, none of which are health-based. 4 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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
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.