Water Quality in LANARK, IL (61046)
EPA violation data for public water systems serving ZIP code 61046.
34
Total Violations
12
Health-Based
22
Monitoring / Reporting
31
Resolved
What does this mean?
31 of 34 violations have been resolved. 12 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 22 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 (34 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| E. COLI | Monitoring | 0 | N/A | Oct 30, 2024 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 30, 2024 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Public Notice | Monitoring | N/A | N/A | Sep 19, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 19, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 19, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 12, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 12, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 12, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 12, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Aug 31, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2024(14)
E. COLI
34
E. COLI
34
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Public Notice
75
2023(15)
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3B
Consumer Confidence Rule
72
Consumer Confidence Rule
72
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
How Does This Compare?
LANARK (61046) has 34 recorded violations, including 12 health-based. 3 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.