Water Quality in PLYMOUTH, IA (50464)
EPA violation data for public water systems serving ZIP code 50464.
38
Total Violations
7
Health-Based
31
Monitoring / Reporting
27
Resolved
What does this mean?
27 of 38 violations have been resolved. 7 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 31 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 (38 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 24, 2025 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 24, 2025 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 24, 2025 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Apr 22, 2025 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Apr 22, 2025 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Apr 22, 2025 | Active | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Feb 28, 2025 | Active | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Feb 28, 2025 | Active | N/A |
Lead & Copper Levels
Violation Timeline
2025(10)
Total Haloacetic Acids (HAA5)
27
TTHM
27
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
2024(5)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Nitrate
03
Nitrate
03
How Does This Compare?
PLYMOUTH (50464) has 38 recorded violations, including 7 health-based. 11 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.