Lancaster, PA Neighborhood Water Quality — Grade C
12 ZIP codes · 168 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Lancaster, PA. We analyzed 12 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (57/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 9 | 75% |
| D | 3 | 25% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Lancaster ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 17605 | 64 | C | 14 | 0.0070 mg/L |
| 2 | 17608 | 59 | C | 14 | 0.0070 mg/L |
| 3 | 17573 | 58 | C | 14 | 0.0070 mg/L |
| 4 | 17604 | 58 | C | 14 | 0.0070 mg/L |
| 5 | 17606 | 58 | C | 14 | 0.0070 mg/L |
| 6 | 17607 | 58 | C | 14 | 0.0070 mg/L |
| 7 | 17611 | 58 | C | 14 | 0.0070 mg/L |
| 8 | 17622 | 58 | C | 14 | 0.0070 mg/L |
| 9 | 17699 | 58 | C | 14 | 0.0070 mg/L |
| 10 | 17601 | 54 | D | 14 | 0.0070 mg/L |
| 11 | 17603 | 54 | D | 14 | 0.0070 mg/L |
| 12 | 17602 | 49 | D | 14 | 0.0070 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 11 neighborhoods score better than county average
- 1 neighborhoods score worse than county average
EPA Violations
- 168 total violations across Lancaster
- 12 health-based violations
- 12 of 12 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Surface Water Treatment Rule | 48 | 12 |
| Revised Total Coliform Rule | 36 | 12 |
| Haloacetic Acids (HAA5) | 24 | 12 |
| E. coli | 24 | 12 |
| Selenium | 12 | 12 |
Frequently Asked Questions
What is the safest neighborhood in Lancaster?
ZIP code 17605 has the highest safety score in Lancaster at 64/100 (grade C). Check the full report for details.
Is Lancaster water safe to drink?
Lancaster has an average water safety score of 57/100 (C). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Updated daily.