Philadelphia, PA: 348 Violations — 91/100 (2026)
87 ZIP codes · 3 water systems · Updated 2026-06-03
Water systems in Philadelphia, PA serve households with few reported safety events.
How Philadelphia Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Philadelphia, PA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Distribution of water safety grades across Philadelphia.
Philadelphia Water: The Quick Version
- Your city's water systems recorded 348 violations in the past 5 years.
- Average lead level: 0.002 mg/L.
- Estimated remediation: $1,888 per household.
Water Systems Serving Philadelphia
Residential water service in Philadelphia, PA is divided among 3 separate utilities, drawn from 3 systems on file with federal regulators.
Overview
We track water quality and home safety data for 87 ZIP codes in Philadelphia, Pennsylvania (population ~1,582,836), covering 3 community water systems serving approximately 2,481,601 people region-wide.
87 of 87 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Philadelphia: A (91/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Philadelphia water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0020 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 2 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 85 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Fecal Coliform | Microbiological | 352 | 87 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 19019 | A | 4 | 0 | Philadelphia Water Department |
| 19092 | A | 4 | 0 | Philadelphia Water Department |
| 19093 | A | 4 | 0 | Philadelphia Water Department |
| 19099 | A | 4 | 0 | Philadelphia Water Department |
| 19101 | A | 4 | 0 | Philadelphia Water Department |
| 19102 | A | 4 | 0 | Philadelphia Water Department |
| 19103 | B | 4 | 0 | Philadelphia Water Department |
| 19104 | A | 4 | 0 | Philadelphia Water Department |
| 19105 | C | 4 | 0 | Philadelphia Water Department |
| 19106 | A | 4 | 0 | Philadelphia Water Department |
All ZIP Codes in Philadelphia
- 19019 [A] — 4 violations
- 19092 [A] — 4 violations
- 19093 [A] — 4 violations
- 19099 [A] — 4 violations
- 19101 [A] — 4 violations
- 19102 [A] — 4 violations
- 19103 [B] — 4 violations
- 19104 [A] — 4 violations
- 19105 [C] — 4 violations
- 19106 [A] — 4 violations
- 19107 [A] — 4 violations
- 19108 [A] — 4 violations
- 19109 [A] — 4 violations
- 19110 [A] — 4 violations
- 19111 [A] — 4 violations
- 19112 [A] — 4 violations
- 19113 [C] — 4 violations
- 19114 [B] — 4 violations
- 19115 [A] — 4 violations
- 19116 [A] — 4 violations
- 19118 [A] — 4 violations
- 19119 [A] — 4 violations
- 19120 [A] — 4 violations
- 19121 [A] — 4 violations
- 19122 [A] — 4 violations
- 19123 [A] — 4 violations
- 19124 [A] — 4 violations
- 19125 [A] — 4 violations
- 19126 [A] — 4 violations
- 19127 [B] — 4 violations
- 19128 [B] — 4 violations
- 19129 [A] — 4 violations
- 19130 [A] — 4 violations
- 19131 [A] — 4 violations
- 19132 [A] — 4 violations
- 19133 [A] — 4 violations
- 19134 [A] — 4 violations
- 19135 [A] — 4 violations
- 19136 [A] — 4 violations
- 19137 [A] — 4 violations
- 19138 [A] — 4 violations
- 19139 [A] — 4 violations
- 19140 [A] — 4 violations
- 19141 [A] — 4 violations
- 19142 [A] — 4 violations
- 19143 [A] — 4 violations
- 19144 [A] — 4 violations
- 19145 [A] — 4 violations
- 19146 [A] — 4 violations
- 19147 [A] — 4 violations
- 19148 [A] — 4 violations
- 19149 [A] — 4 violations
- 19150 [A] — 4 violations
- 19151 [A] — 4 violations
- 19152 [A] — 4 violations
- 19153 [B] — 4 violations
- 19154 [A] — 4 violations
- 19155 [A] — 4 violations
- 19160 [A] — 4 violations
- 19161 [A] — 4 violations
- 19162 [A] — 4 violations
- 19170 [A] — 4 violations
- 19171 [A] — 4 violations
- 19172 [A] — 4 violations
- 19173 [A] — 4 violations
- 19175 [A] — 4 violations
- 19176 [A] — 4 violations
- 19177 [A] — 4 violations
- 19178 [A] — 4 violations
- 19179 [A] — 4 violations
- 19181 [A] — 4 violations
- 19182 [A] — 4 violations
- 19183 [A] — 4 violations
- 19184 [A] — 4 violations
- 19185 [A] — 4 violations
- 19187 [A] — 4 violations
- 19188 [A] — 4 violations
- 19190 [A] — 4 violations
- 19191 [A] — 4 violations
- 19192 [A] — 4 violations
- 19193 [A] — 4 violations
- 19194 [A] — 4 violations
- 19195 [A] — 4 violations
- 19196 [A] — 4 violations
- 19197 [A] — 4 violations
- 19244 [A] — 4 violations
- 19255 [A] — 4 violations
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Key Contaminants Detected in Philadelphia
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Philadelphia: Remediation Cost in Perspective
How much of a Philadelphia home's value does documented remediation represent? A small fraction — the equity share here is in the low tier, and from a household financial perspective, most property owners are considering a commitment that fits comfortably within standard planning rather than a decision that rises to the level of a material budget event or significant equity consideration.
Remediation costs in Philadelphia are relatively low compared to home values. The $1,267–$2,737 estimated range is a small fraction of median property value. Home values are 26% above the Pennsylvania average.
Protecting Children from Lead in Philadelphia
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Philadelphia appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Philadelphia
Measured against the full NFIP dataset, Philadelphia's flood record stands out: 1708 claims accumulated over decades and 57% of ZIP codes inside FEMA-designated boundaries add up to a high-exposure profile where water infrastructure has faced recurrent stress.
Philadelphia has a significant flood history with 1,708 FEMA flood insurance claims on record, averaging $11,610 per claim. With 57% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,888</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Philadelphia, PA