Water Quality in SOUTH CANAAN, PA (18459)
EPA violation data for public water systems serving ZIP code 18459.
21
Total Violations
6
Health-Based
15
Monitoring / Reporting
14
Resolved
What does this mean?
14 of 21 violations have been resolved. 6 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 15 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 (21 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Public Notice | Monitoring | N/A | N/A | Apr 29, 2025 | Active | N/A |
| Lead and Copper Rule | Health-Based | N/A | N/A | Mar 31, 2025 | Active | N/A |
| Lead and Copper Rule | Health-Based | N/A | N/A | Mar 31, 2025 | Active | N/A |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Eye and nose irritation; stomach discomfort |
| Nitrite | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
Lead & Copper Levels
Violation Timeline
2025(3)
Public Notice
75
Lead and Copper Rule
57
Lead and Copper Rule
57
2022(12)
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
Nitrite
03
Nitrite
03
Nitrite
03
Nitrite
03
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
How Does This Compare?
SOUTH CANAAN (18459) has 21 recorded violations, including 6 health-based. 7 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
Always look for filters certified by NSF International for the specific contaminants you want to remove.