Home hazard report for 03086 — Wilton, NH
ZIP 03086 is served by Wilton Water Works: no health-based violations since 2016, latest lead result 63 ppb, PFAS not tested. Hillsborough County is in EPA radon zone 2.
No health-based violations reported since 2016.
The 90th-percentile lead level in the latest round (Jul 1993) was above EPA's 15 ppb action level, which requires the utility to take further steps.
This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).
Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.
FEMA’s overall natural-hazard risk for this census tract, relative to the rest of the U.S.
The nearest active Superfund site is 3.7 miles away.
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Where ZIP 03086 is
Dashed: ZIP area · blue: utility service area · scroll or pinch to zoomDrinking water: Wilton Water Works
Health-based violations
No health-based violations reported since 2016.
Full record for Wilton Water Works →
Other systems overlapping this ZIP: Greenville Water Dept.
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”)
This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5).
Radon in Hillsborough County
EPA radon zone 2 — moderate potential. Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.
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 Relatively Low, with relatively low social vulnerability and relatively moderate 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 |
|---|---|---|
| Savage Municipal Water Supply Milford, New Hampshire · EPA ID NHD980671002 | Active (final NPL) | 3.7 mi |
| Fletcher's Paint Works & Storage Milford, New Hampshire · EPA ID NHD001079649 | Active (final NPL) | 5.3 mi |
| South Municipal Water Supply Well Peterborough, New Hampshire · EPA ID NHD980671069 | Active (final NPL) | 9.6 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 03086
Who supplies drinking water to ZIP 03086?
Wilton Water Works (EPA ID NH2521010), a groundwater (wells) system serving about 1,790 people.
Is there lead in Wilton, NH tap water?
The utility’s latest 90th-percentile lead result (Jul 1993) was 63 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 Wilton, NH water have PFAS?
This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).
Has the water system in 03086 had violations?
No health-based violations reported since 2016.
What natural hazards affect ZIP 03086?
FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively Low; the highest-rated hazards are ice storm (relatively moderate), lightning (relatively moderate), riverine flooding (relatively moderate).
Are there Superfund sites near 03086?
The nearest active Superfund site is 3.7 miles away. Sites within 10 miles: Savage Municipal Water Supply (3.7 mi, Active (final NPL)); Fletcher's Paint Works & Storage (5.3 mi, Active (final NPL)); South Municipal Water Supply Well (9.6 mi, Active (final NPL)).
Is radon a problem in Hillsborough County?
Hillsborough County is in EPA radon zone 2 (moderate potential). Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.