Water Quality in MALVERN, PA (19355)
EPA violation data for public water systems serving ZIP code 19355.
48
Total Violations
1
Health-Based
47
Monitoring / Reporting
48
Resolved
What does this mean?
48 of 48 violations have been resolved. 1 is a health-based violation, meaning contaminant levels exceeded federal safety limits. The remaining 47 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 |
|---|---|---|---|---|---|---|
| Bromate | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | Increased risk of cancer |
| Bromate | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | Increased risk of cancer |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Sep 22, 2024 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Sep 22, 2024 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Groundwater Rule | Monitoring | N/A | N/A | Jan 31, 2024 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Jan 31, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 10, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 10, 2024 | Resolved | N/A |
Violation Timeline
2024(11)
Bromate
27
Bromate
27
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
4G
E. COLI
34
E. COLI
34
Groundwater Rule
31
Groundwater Rule
31
Public Notice
75
Public Notice
75
Public Notice
75
2023(17)
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Heptachlor epoxide
03
Heptachlor epoxide
03
Revised Total Coliform Rule
3A
E. COLI
19
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?
MALVERN (19355) has 48 recorded violations, including 1 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
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
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.