Home hazard report for 17313 — Dallastown, PA
ZIP 17313 is served by York Water Co: 1 violation since 2016, latest lead result 3 ppb, PFAS not detected. York County is in EPA radon zone 1.
Health-based violations since 2016: Revised Total Coliform Rule. All are listed as resolved.
90th-percentile lead in the latest round (Jun 2025). Lead comes mostly from household plumbing and service lines, so individual homes can be higher.
None of the tested PFAS were found above EPA’s reporting limits in 2023–2025.
Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.
FEMA’s overall natural-hazard risk for this census tract, relative to the rest of the U.S.
The nearest active Superfund site is 6.2 miles away.
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Where ZIP 17313 is
Dashed: ZIP area · blue: utility service area · scroll or pinch to zoomDrinking water: York Water Co
Health-based violations
| Contaminant or rule | Health-based violations since 2016 |
|---|---|
| Revised Total Coliform Rule | 1 |
A health-based violation means a contaminant exceeded its legal limit (MCL) or a required treatment technique was not met, as reported by the state to EPA’s SDWIS. All are listed as resolved or archived; the latest began Jul 2022.
Full record for York Water Co →
Other systems overlapping this ZIP: Dallastown Yoe Water Auth.
Lead
90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.
PFAS (“forever chemicals”)
| Compound | Highest result | Samples with detection | EPA limit |
|---|---|---|---|
| PFHxA | not detected | 0 of 4 | — |
| PFDA | not detected | 0 of 4 | — |
| PFOS | not detected | 0 of 4 | 4 ppt MCL |
| PFHpA | not detected | 0 of 4 | — |
| PFBS | not detected | 0 of 4 | — |
| PFHxS | not detected | 0 of 4 | — |
| PFPeA | not detected | 0 of 4 | — |
| PFNA | not detected | 0 of 4 | — |
| PFBA | not detected | 0 of 4 | — |
| HFPO-DA (GenX) | not detected | 0 of 4 | — |
| PFOA | not detected | 0 of 4 | 4 ppt MCL |
EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5), samples 2023–2025; ppt = parts per trillion (ng/L). The 4.0 ppt maximum contaminant levels for PFOA and PFOS were set by EPA in 2024; water systems have until the end of the decade to comply.
Radon in York County
EPA radon zone 1 — highest potential. Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.
Radon is a colorless, odorless radioactive gas from soil and rock, and the leading cause of lung cancer among non-smokers. EPA recommends fixing a home at 4 pCi/L or above and considering it from 2 pCi/L. A short-term test kit costs about $15–30. How radon zones work →
Natural hazard risk
FEMA rates the overall natural-hazard risk of this neighborhood (census tract) as Very Low, with very low social vulnerability and relatively high community resilience.
FEMA National Risk Index (December 2025): expected annual losses from each hazard combined with social vulnerability and community resilience, rated relative to all U.S. census tracts. Hazards not listed are not applicable here. It describes the area, not a single building; flood insurance maps (FEMA FIRMs) decide flood-insurance requirements.
Live conditions: river gauges and flood levels · tornado warnings · wildfire detections · earthquakes — our sister maps, updated from NOAA, USGS and NASA every few minutes.
Superfund sites nearby
| Site | Status | Distance |
|---|---|---|
| AMP, Inc. (Glen Rock Facility) Glen Rock, Pennsylvania · EPA ID PAD041421223 | Cleaned up & deleted | 4.8 mi |
| Old City of York Landfill Seven Valleys, Pennsylvania · EPA ID PAD980692420 | Active (final NPL) | 6.2 mi |
| Modern Sanitation Landfill Lower Windsor Township, Pennsylvania · EPA ID PAD980539068 | Active (final NPL) | 6.3 mi |
| York County Solid Waste and Refuse Authority Landfill Hopewell Township, Pennsylvania · EPA ID PAD980830715 | Cleaned up & deleted | 7.6 mi |
| East Mount Zion Springettsbury Township, Pennsylvania · EPA ID PAD980690549 | Active (final NPL) | 8.5 mi |
EPA Superfund National Priorities List (NPL): the country’s most serious known hazardous-waste sites, each with an EPA cleanup record (linked). Distance is measured from the ZIP center to the site’s reference point; being near a site does not by itself mean exposure — EPA site pages describe what was found and how it is being cleaned up.
What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.
Questions about 17313
Who supplies drinking water to ZIP 17313?
York Water Co (EPA ID PA7670100), a surface water (rivers, lakes) system serving about 206,762 people.
Is there lead in Dallastown, PA tap water?
The utility’s latest 90th-percentile lead result (Jun 2025) was 3 ppb; EPA’s action level is 15 ppb, falling to 10 ppb from 2027. Lead mostly comes from service lines and home plumbing, so the only way to know your tap is to test it.
Does Dallastown, PA water have PFAS?
None of the tested PFAS were found above EPA’s reporting limits in 2023–2025.
Has the water system in 17313 had violations?
Health-based violations since 2016: Revised Total Coliform Rule. All are listed as resolved.
What natural hazards affect ZIP 17313?
FEMA’s National Risk Index rates the overall natural-hazard risk here as Very Low; the highest-rated hazards are winter weather (relatively moderate), cold wave (relatively low), drought (relatively low).
Are there Superfund sites near 17313?
The nearest active Superfund site is 6.2 miles away. Sites within 10 miles: AMP, Inc. (Glen Rock Facility) (4.8 mi, Cleaned up & deleted); Old City of York Landfill (6.2 mi, Active (final NPL)); Modern Sanitation Landfill (6.3 mi, Active (final NPL)).
Is radon a problem in York County?
York County is in EPA radon zone 1 (highest potential). Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.