UNION CITY MUNICIPAL AUTHORITY vs PHILADELPHIA WATER DEPARTMENT
Water quality comparison — risk levels, violations, PFAS records, and contaminants
Quick Answer
Both utilities share the same risk level (safe). UNION CITY MUNICIPAL AUTHORITY has 0 open health-based violations and 116 PFAS records. PHILADELPHIA WATER DEPARTMENT has 0 open health-based violations and 348 PFAS records.
Pennsylvania · PA6250064
No Concerns Detected
Water meets all safety standards with no detected exceedances.
0
Open violations
116
PFAS records
Pennsylvania · PA1510001
No Concerns Detected
Water meets all safety standards with no detected exceedances.
0
Open violations
348
PFAS records
Head-to-Head Comparison
| Metric | UNION CITY MUNICIPAL AUTHORITY | PHILADELPHIA WATER DEPARTMENT |
|---|---|---|
| State | Pennsylvania | Pennsylvania |
| Risk Level | No Concerns Detected | No Concerns Detected |
| Population Served | 4,295 | 1,600,000 |
| Open Health Violations | 0 | 0 |
| Total Violations | 0 | 8 |
| PFAS Records | 116 | 348 |
| Ownership | Local | Local |
| Service Type | Surface water | Surface water |
| City Served | — | Philadelphia |
Contaminants in Violation Records
UNION CITY MUNICIPAL AUTHORITY
No named contaminants in violation records.
PHILADELPHIA WATER DEPARTMENT
- Nitrate
Key Differences
UNION CITY MUNICIPAL AUTHORITY has 116 PFAS records vs. 348 for PHILADELPHIA WATER DEPARTMENT.
What Should I Do?
If either utility shows open violations or elevated PFAS records, consider:
- Installing a reverse osmosis filter — removes PFAS, lead, arsenic, nitrates, and most heavy metals.
- Requesting your utility’s annual Consumer Confidence Report (CCR) for the most current test results.
- Ordering a certified lab water test if you want contaminant-specific data for your address.
Frequently Asked Questions
Which is safer — UNION CITY MUNICIPAL AUTHORITY or PHILADELPHIA WATER DEPARTMENT?
Both utilities share the same risk level (safe). Both utilities have similar violation profiles — review the full data above to decide based on specific contaminants that concern you.
What does "open health-based violation" mean?
An open health-based violation means a water system has exceeded an EPA Maximum Contaminant Level (MCL) or failed to meet a treatment technique — and the violation has not yet been resolved. These are the most serious type of water quality violations.
How current is this data?
Violation data comes from EPA's Safe Drinking Water Information System (SDWIS), which is updated as utilities report. PFAS data comes from EPA's UCMR 5 monitoring (2023–2025). Risk levels are recalculated daily.
What does PWSID mean?
PWSID stands for Public Water System ID — a unique federal identifier assigned to each community water system. You can use it to look up a system in EPA's ECHO database.