ZipCheckup grade for 17551: D.

Federal records show several conditions worth reviewing.

Your top priority: see the breakdown below and consider a certified water filter. Check your ZIP → NSF certified filters

Health Violations Found
D 47

Millersville, PA (17551): PFAS Above 2029 MCL Level - 47/100

EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: City of Lancaster)

Health Violations Found PFAS Detected High County Radon Potential

Health-based violation records by water system:

EPA records for the water systems mapped to 17551 in Millersville, PA contain 8 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 2 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score
D 47/100
Water Quality PFAS above MCL 2 health-based violation records
Lead Risk Moderate 0.007 mg/L, 90th percentile, sample period ending 2025-09-30
NFIP Claim History Claim records 46 claims
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 2 health-based violations and 6 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result of 0.007 mg/L is below the EPA action level, but EPA's health goal for lead is zero; filtration is advisable.
  • PFAS At least one PFAS result is above an EPA MCL value (UCMR5 sampling; MCL compliance required from 2029).
  • Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
  • Flood 46 cumulative NFIP claim records. Check the current FEMA map for a specific address.
Contaminant Summary
Health Violations
8 violations 2 health-based PFAS detected
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
D
ZIP-level Home Safety model score: 47 / 100
Bottom 5% of U.S. ZIP codes
2
Water Systems
120,000
People Served
2
Health Violations (since 2021)Median is 0
Surface water
Water Source
0.007 mg/L
Reported Lead Result3.0× the national median for this measure
Zone 1
County Radon Potential · High
$273K
Median Home Value46% above state median ($187K)

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Score Breakdown

Overall Home Safety Score: 47/100

This is the published model score. Component and domain values are shown independently; they are not added together on this page.

Canonical components

EPA water compliance
80/100
Observed
PFAS MCL screen
0/100
Observed
EPA radon zone
0/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
40/100
Indoor environment
0/100
Outdoor environment
100/100

Coverage: 4 of 4 components and 3 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (7) CRITICAL

Your Water System

ZIP code 17551 in Millersville, Pennsylvania is mapped to the water system City of Lancaster (EPA ID: PA7360058). This system provides water to approximately 120,000 people from surface water sources.

There are 2 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
City of Lancaster PA7360058 120,000 Surface water
Millersville Univ PA7360127 7,950 Groundwater

Other Water Quality Reports in Pennsylvania

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for City of Lancaster (PA7360058) on EPA.gov.

4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →

Compliance History

2021 1 2022 2023 2024 1 2025
Health-based (MCL/TT) Other violations

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 17551. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.

Detected compounds: PFHxA, PFOA, PFPeA, PFBA, PFBS, PFHpA, PFOS, PFHxS.

Highest measured level: 0.0288 µg/L

Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) MODERATE
Home & Infrastructure (8) OK
Cost & Community (9) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Millersville

Based on local data for ZIP 17551, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Home & Flood Insurance

The ZIP code for this report in Millersville has 46 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.

Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote

Check Your Flood Zone (Free)

FEMA flood map lookup - see if your property is in a flood zone

Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)

Gutter Installation & Repair

The median home in 17551 was built around 1985. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 17551 safe to drink?

EPA SDWIS records 8 violations since 2021 across the water systems mapped to ZIP 17551 (primary system: City of Lancaster), including 2 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 17551's water come from?

The recorded water source for City of Lancaster, a system mapped to ZIP code 17551, is Surface water. This system serves approximately 120,000 people.

How does Millersville water compare to the national average?

Millersville's Home Safety Score ranks lower than 95% of U.S. ZIP codes, and lower than 73% of ZIP codes within Pennsylvania.

How can I get my water tested in Millersville?

If City of Lancaster supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

Is lead a concern in 17551 tap water?

The Lead and Copper Rule record selected for 17551 reports a 90th-percentile lead result of 0.007 mg/L for a water system mapped to this ZIP (record date 2025-09-30). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.

What is the radon risk for 17551?

17551 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Lancaster County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

Are there PFAS (forever chemicals) in 17551's water?

Yes, PFAS have been detected in samples from water systems mapped to 17551. One or more PFAS results are above the level of a federal PFAS MCL with compliance required from 2029. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

What does the NFIP claim history show for ZIP 17551?

FEMA records contain 46 flood insurance claims filed in ZIP code 17551; the recorded rated-zone value (the most frequent one if there are several claims) is B, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Millersville, PA (17551): PFAS Above 2029 MCL Level - 47/100. https://zipcheckup.com/report/17551/
BibTeX
@misc{zipcheckup-report-17551,
  author = {{ZipCheckup}},
  title  = {{Millersville, PA (17551): PFAS Above 2029 MCL Level - 47/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/17551/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 17551

ZIP Code City, State Distance Grade Violations
17603 Lancaster, PA <1 mi D 11
17504 Bausman, PA 2.3 mi N/A 0
17503 Bart, PA 3.4 mi N/A 0
17564 Penryn, PA 3.4 mi N/A 0
17605 Lancaster, PA 3.4 mi N/A 0
17607 Lancaster, PA 3.4 mi N/A 0
17608 Lancaster, PA 3.4 mi N/A 0
17699 Lancaster, PA 3.4 mi N/A 0
17611 Lancaster, PA 3.9 mi N/A 0
17516 Conestoga, PA 4.0 mi N/A 3

Contaminants Detected in 17551

Learn more about the contaminants found in your water supply:

Overall safety breakdown

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