Water Quality in OAKLAND, IL (61943)
EPA violation data for public water systems serving ZIP code 61943.
46
Total Violations
11
Health-Based
35
Monitoring / Reporting
44
Resolved
What does this mean?
44 of 46 violations have been resolved. 11 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 35 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 (46 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Lead and Copper Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Active | N/A |
| Lead and Copper 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 |
| Chlorine | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 21, 2025 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(11)
Lead and Copper Rule
52
Lead and Copper Rule
52
Consumer Confidence Rule
71
Consumer Confidence Rule
71
Chlorine
27
Chlorine
27
Chlorine
27
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Public Notice
75
Public Notice
75
2024(12)
Public Notice
75
TTHM
27
TTHM
27
TTHM
27
TTHM
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Public Notice
75
How Does This Compare?
OAKLAND (61943) has 46 recorded violations, including 11 health-based. 2 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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.