Water Quality in IOWA CITY, IA (52246)
EPA violation data for public water systems serving ZIP code 52246.
96
Total Violations
16
Health-Based
80
Monitoring / Reporting
96
Resolved
What does this mean?
96 of 96 violations have been resolved. 16 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 80 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 (96 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Combined Radium (-226 and -228) | Health-Based | N/A | 6 | Jun 30, 2025 | Resolved | N/A |
| Combined Radium (-226 and -228) | Health-Based | N/A | 6 | Jun 30, 2025 | Resolved | N/A |
| Combined Radium (-226 and -228) | Health-Based | N/A | 6 | Jun 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Combined Radium (-226 and -228) | Health-Based | N/A | 6.05 | Mar 31, 2025 | Resolved | N/A |
| Combined Radium (-226 and -228) | Health-Based | N/A | 6.05 | Mar 31, 2025 | Resolved | N/A |
| Combined Radium (-226 and -228) | Health-Based | N/A | 6.05 | Mar 31, 2025 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(15)
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
2024(20)
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Nitrate
03
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
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
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
How Does This Compare?
IOWA CITY (52246) has 96 recorded violations, including 16 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.