Water Quality in OQUAWKA, IL (61469)
EPA violation data for public water systems serving ZIP code 61469.
45
Total Violations
4
Health-Based
41
Monitoring / Reporting
45
Resolved
What does this mean?
45 of 45 violations have been resolved. 4 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 41 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 (45 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Public Notice | Monitoring | N/A | N/A | Jul 21, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 21, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 21, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 21, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Feb 1, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Feb 1, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Oct 28, 2022 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2023(9)
Nitrate
03
Nitrate
03
Nitrate
03
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
2022(22)
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
Revised Total Coliform Rule
3A
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
How Does This Compare?
OQUAWKA (61469) has 45 recorded violations, including 4 health-based. All violations have been resolved, which is a positive sign for current water quality. 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.