Lancaster County, Pennsylvania
74 ZIP codes · Avg score 45/100 · Grade D · Updated
ZipCheckup grade for Lancaster County: D.
Several federal signals point to home-safety risks in this ZIP.
Your top priority: see the breakdown below and consider a certified water filter. NSF certified filters →
Drinking water quality in Lancaster County has lagged behind state benchmarks - multiple documented violations across 74 ZIP codes keep the county's grade low.
How Lancaster County Compares
How Lancaster County Compares
Lancaster County scores 12 points below the Pennsylvania state average (57/100) and 28 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Lancaster County, Pennsylvania
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Estimated additional annual cost per homeowner: $4,404, driven primarily by sea_level
65.7% of homes built before 1978 (lead paint era)
Violation History (2021–2026)
↓ Improving trendEPA violation counts by year across Lancaster County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 31 violations. Past 5 years: 63 total (63 health-based). Health-based violations are declining versus the prior 2-year window.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $4,404
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
219,488 housing units in Lancaster County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Lancaster County
Remediation costs are relatively manageable for most homeowners in Lancaster County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Water systems serving Lancaster County
8 community water systems serving Lancaster County.
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Show all 8 water systems
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38 total water systems serve Lancaster County.
Systems with the most violations in Lancaster County
5 water systems with recorded EPA violations.
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All ZIP Codes in Lancaster County
74 ZIP codes tracked in Lancaster County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 17508 | Brownstown | 64 | C | 5 (2 health) | $328K |
| 2 | 17547 | Marietta | 53 | D | 40 | $243K |
| 3 | 17584 | Willow Street | 48 | D | 4 (1 health) | $297K |
| 4 | 17602 | Lancaster | 48 | D | 4 (1 health) | $251K |
| 5 | 17520 | East Petersburg | 47 | D | 6 (2 health) | $253K |
| 6 | 17538 | Landisville | 47 | D | 8 (1 health) | $293K |
| 7 | 17551 | Millersville | 47 | D | 8 (2 health) | $273K |
| 8 | 17569 | Reinholds | 47 | D | 7 (1 health) | $266K |
| 9 | 17578 | Stevens | 47 | D | 8 (1 health) | $290K |
| 10 | 17512 | Columbia | 46 | D | 10 (1 health) | $221K |
| 11 | 17517 | Denver | 46 | D | 12 (1 health) | $281K |
| 12 | 17554 | Mountville | 46 | D | 11 (2 health) | $271K |
| 13 | 17603 | Lancaster | 46 | D | 11 (2 health) | $245K |
| 14 | 17501 | Akron | 45 | D | 15 (2 health) | $246K |
| 15 | 17572 | Ronks | 45 | D | 13 (1 health) | $300K |
| 16 | 17552 | Mount Joy | 44 | D | 17 (2 health) | $276K |
| 17 | 17505 | Bird In Hand | 43 | D | 20 (2 health) | $374K |
| 18 | 17557 | New Holland | 43 | D | 19 (1 health) | $262K |
| 19 | 19362 | Nottingham | 42 | D | 25 | $292K |
| 20 | 17022 | Elizabethtown | 41 | D | 25 (1 health) | $273K |
| 21 | 17540 | Leola | 41 | D | 22 (4 health) | $320K |
| 22 | 17601 | Lancaster | 41 | D | 22 (4 health) | $324K |
| 23 | 17522 | Ephrata | 39 | F | 31 (4 health) | $264K |
| 24 | 17543 | Lititz | 37 | F | 34 (6 health) | $322K |
| 25 | 17545 | Manheim | 35 | F | 43 (4 health) | $272K |
| 26 | 17502 | Bainbridge | — | — | 8 | $226K |
| 27 | 17503 | Bart | — | — | — | |
| 28 | 17504 | Bausman | — | — | $205K | |
| 29 | 17506 | Blue Ball | — | — | $295K | |
| 30 | 17507 | Bowmansville | — | — | — | |
| 31 | 17509 | Christiana | — | — | 16 (2 health) | $293K |
| 32 | 17516 | Conestoga | — | — | 3 (1 health) | $291K |
| 33 | 17518 | Drumore | — | — | $315K | |
| 34 | 17519 | East Earl | — | — | 6 | $321K |
| 35 | 17521 | Elm | — | — | — | |
| 36 | 17527 | Gap | — | — | 13 (2 health) | $298K |
| 37 | 17528 | Goodville | — | — | — | |
| 38 | 17529 | Gordonville | — | — | 20 (2 health) | $351K |
| 39 | 17532 | Holtwood | — | — | $319K | |
| 40 | 17533 | Hopeland | — | — | — | |
| 41 | 17534 | Intercourse | — | — | — | |
| 42 | 17535 | Kinzers | — | — | 9 (2 health) | $347K |
| 43 | 17536 | Kirkwood | — | — | $330K | |
| 44 | 17537 | Lampeter | — | — | — | |
| 45 | 17549 | Martindale | — | — | — | |
| 46 | 17550 | Maytown | — | — | — | |
| 47 | 17555 | Narvon | — | — | $359K | |
| 48 | 17560 | New Providence | — | — | 9 | $231K |
| 49 | 17562 | Paradise | — | — | 15 (2 health) | $341K |
| 50 | 17563 | Peach Bottom | — | — | $303K | |
| 51 | 17564 | Penryn | — | — | — | |
| 52 | 17565 | Pequea | — | — | $323K | |
| 53 | 17566 | Quarryville | — | — | 9 | $284K |
| 54 | 17567 | Reamstown | — | — | — | |
| 55 | 17568 | Refton | — | — | — | |
| 56 | 17570 | Rheems | — | — | 7 (1 health) | $243K |
| 57 | 17573 | Lancaster | — | — | — | |
| 58 | 17575 | Silver Spring | — | — | — | |
| 59 | 17576 | Smoketown | — | — | — | |
| 60 | 17579 | Strasburg | — | — | 4 (1 health) | $324K |
| 61 | 17580 | Talmage | — | — | — | |
| 62 | 17581 | Terre Hill | — | — | — | |
| 63 | 17582 | Washington Boro | — | — | $289K | |
| 64 | 17583 | West Willow | — | — | — | |
| 65 | 17585 | Witmer | — | — | — | |
| 66 | 17604 | Lancaster | — | — | — | |
| 67 | 17605 | Lancaster | — | — | — | |
| 68 | 17606 | Lancaster | — | — | — | |
| 69 | 17607 | Lancaster | — | — | — | |
| 70 | 17608 | Lancaster | — | — | — | |
| 71 | 17611 | Lancaster | — | — | — | |
| 72 | 17622 | Lancaster | — | — | — | |
| 73 | 17699 | Lancaster | — | — | — | |
| 74 | 19501 | Adamstown | — | — | 5 (1 health) | $227K |
Recommended Buyer Guides for Lancaster County
Filtered against federal data, fitted to local risks.
- Best Water Filters for Lead — Lead above EPA action level in 4 ZIP codes
- Best Lead Paint Test Kits — 65.7% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Lancaster County, Pennsylvania
Overview
Lancaster County in Pennsylvania covers 74 tracked ZIP records with an average Home Safety Score of D (45/100) across 25 scored records.
38 of 38 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 16 health-based violations appear in the available health breakdown.
← Back to Pennsylvania Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
What You Can Do
Lancaster County has a grade of D. Here are steps to protect your household.
Test your tap water
Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.
Consider a certified water filter
NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher
Contact your water utility
Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.
Check for lead in your home
65.7% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.