Pennsylvania — 11th District
119th Congress · 192 ZIP codes · Avg score 47/100 · Grade D · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in Pennsylvania's 11th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 17538 | Landisville | 69 | C | 10 (1 health) |
| 2 | 17520 | East Petersburg | 68 | C | 5 (2 health) |
| 3 | 19475 | Spring City | 65 | C | 0 |
| 4 | 17361 | Shrewsbury | 64 | C | 9 |
| 5 | 17508 | Brownstown | 64 | C | 11 (3 health) |
| 6 | 17551 | Millersville | 63 | C | 8 (2 health) |
| 7 | 17605 | Lancaster | 63 | C | 92 (2 health) |
| 8 | 17540 | Leola | 62 | C | 67 (3 health) |
| 9 | 19360 | New London | 62 | C | 1 |
| 10 | 17563 | Peach Bottom | 60 | C | 5 (2 health) |
| 11 | 19344 | Honey Brook | 60 | C | 275 (2 health) |
| 12 | 19381 | West Chester | 60 | C | 38 (2 health) |
| 13 | 17569 | Reinholds | 59 | C | 7 |
| 14 | 17501 | Akron | 58 | C | 15 |
| 15 | 17517 | Denver | 58 | C | 9 |
| 16 | 17552 | Mount Joy | 58 | C | 4 |
| 17 | 17608 | Lancaster | 58 | C | 92 (2 health) |
| 18 | 17309 | Brogue | 57 | C | 0 |
| 19 | 17366 | Windsor | 57 | C | 0 |
| 20 | 17573 | Lancaster | 57 | C | 92 (2 health) |
| 21 | 17584 | Willow Street | 57 | C | 32 (5 health) |
| 22 | 17604 | Lancaster | 57 | C | 92 (2 health) |
| 23 | 17606 | Lancaster | 57 | C | 92 (2 health) |
| 24 | 17607 | Lancaster | 57 | C | 92 (2 health) |
| 25 | 17611 | Lancaster | 57 | C | 92 (2 health) |
| 26 | 17622 | Lancaster | 57 | C | 92 (2 health) |
| 27 | 17699 | Lancaster | 57 | C | 92 (2 health) |
| 28 | 19390 | West Grove | 57 | C | 54 (5 health) |
| 29 | 17022 | Elizabethtown | 56 | C | 39 (4 health) |
| 30 | 17333 | Hanover | 56 | C | 19 |
| 31 | 17349 | New Freedom | 56 | C | 50 |
| 32 | 17578 | Stevens | 56 | C | 12 (1 health) |
| 33 | 19310 | Atglen | 56 | C | 6 |
| 34 | 19404 | Norristown | 56 | C | 885 |
| 35 | 19501 | Adamstown | 56 | C | 6 |
| 36 | 17323 | Franklintown | 55 | C | 0 |
| 37 | 17363 | Stewartstown | 54 | D | 146 |
| 38 | 17512 | Columbia | 54 | D | 148 (3 health) |
| 39 | 17329 | Glenville | 53 | D | 0 |
| 40 | 17344 | Mc Sherrystown | 53 | D | 0 |
| 41 | 17352 | New Park | 53 | D | 0 |
| 42 | 17355 | Railroad | 53 | D | 0 |
| 43 | 17365 | Wellsville | 53 | D | 0 |
| 44 | 17505 | Bird In Hand | 53 | D | 0 |
| 45 | 17506 | Blue Ball | 53 | D | 0 |
| 46 | 17507 | Bowmansville | 53 | D | 58 (2 health) |
| 47 | 17518 | Drumore | 53 | D | 0 |
| 48 | 17549 | Martindale | 53 | D | 0 |
| 49 | 17554 | Mountville | 53 | D | 0 |
| 50 | 17557 | New Holland | 53 | D | 18 |
Overview
Pennsylvania's 11th District serving an estimated 5,178,862 residents encompasses 192 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is D (47/100).
8139 EPA violations have been recorded across this district's water systems. 195 are health-based violations. About 51% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Lead and Copper Rule — 777 violations
- Contaminant 0700 — 586 violations
- Haloacetic Acids (HAA5) — 284 violations
- Total Trihalomethanes (TTHM) — 271 violations
- Surface Water Treatment Rule — 256 violations
Housing Context
Homes in this district were built on average around 1970 (~56 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.
Lead Alert: 10 ZIP codes in this district exceed the EPA action level for lead. Consider using a certified lead-removal filter.
Data Sources
- Water quality violations: EPA Safe Drinking Water Information System (SDWIS)
- Congressional district boundaries: U.S. Census Bureau, 119th Congress
- Housing age: U.S. Census Bureau American Community Survey
Updated daily. Data covers 192 ZIP codes in Pennsylvania's 11th District.