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WESTERN ALLEGHENY COUNTY MUN A vs PHILADELPHIA WATER DEPARTMENT

Water quality comparison — risk levels, violations, PFAS records, and contaminants

Quick Answer

Both utilities share the same risk level (safe). WESTERN ALLEGHENY COUNTY MUN A has 0 open health-based violations and 389 PFAS records. PHILADELPHIA WATER DEPARTMENT has 0 open health-based violations and 348 PFAS records.

WESTERN ALLEGHENY COUNTY MUN A

Pennsylvania · PA5020034

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

389

PFAS records

PHILADELPHIA WATER DEPARTMENT

Pennsylvania · PA1510001

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

348

PFAS records

Head-to-Head Comparison

MetricWESTERN ALLEGHENY COUNTY MUN APHILADELPHIA WATER DEPARTMENT
StatePennsylvaniaPennsylvania
Risk LevelNo Concerns DetectedNo Concerns Detected
Population Served19,0311,600,000
Open Health Violations00
Total Violations138
PFAS Records389348
OwnershipLocalLocal
Service TypeSurface waterSurface water
City ServedPhiladelphia

Contaminants in Violation Records

WESTERN ALLEGHENY COUNTY MUN A

  • Lead
  • Coliform (TCR)

PHILADELPHIA WATER DEPARTMENT

  • Nitrate

Key Differences

WESTERN ALLEGHENY COUNTY MUN A has 389 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 — WESTERN ALLEGHENY COUNTY MUN A 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.

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