Water Quality in COLUMBIA, PA (17512)
EPA violation data for public water systems serving ZIP code 17512.
39
Total Violations
0
Health-Based
39
Monitoring / Reporting
39
Resolved
What does this mean?
39 of 39 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 39 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 (39 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Chlorine | Monitoring | N/A | N/A | Aug 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Aug 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Groundwater Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(4)
Chlorine
27
Chlorine
27
Groundwater Rule
31
Groundwater Rule
31
2024(7)
TTHM
27
TTHM
27
TTHM
27
TTHM
27
TTHM
27
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
How Does This Compare?
COLUMBIA (17512) has 39 recorded violations, none of which are 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.
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.