Water Quality in ROCKFORD IL, Unknown (61107)
EPA violation data for public water systems serving ZIP code 61107.
48
Total Violations
13
Health-Based
35
Monitoring / Reporting
46
Resolved
What does this mean?
46 of 48 violations have been resolved. 13 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 (48 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Public Notice | Monitoring | N/A | N/A | Jul 31, 2025 | Active | N/A |
| Nitrite | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Mar 31, 2025 | 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 | Aug 21, 2024 | Active | N/A |
| Nitrite | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
Lead & Copper Levels
Violation Timeline
2025(5)
Public Notice
75
Nitrite
03
Nitrite
03
Nitrite
03
Nitrite
03
2024(5)
Public Notice
75
Nitrite
03
Nitrite
03
Nitrite
03
Nitrite
03
How Does This Compare?
ROCKFORD IL (61107) has 48 recorded violations, including 13 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
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.