Home hazard report for 06370 — Oakdale, CT
ZIP 06370 is served by Scwa, Oakdale Heights Division: 1 violation since 2016, latest lead result 7.2 ppb, PFAS not tested. New London County is in EPA radon zone 1.
Health-based violations since 2016: Lead and Copper Rule. 1 is still listed as unresolved in EPA records.
90th-percentile lead in the latest round (Jan 2026). Lead comes mostly from household plumbing and service lines, so individual homes can be higher.
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 above 4 pCi/L — EPA’s action level. Test your home.
The nearest active Superfund site is 7.0 miles away.
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Where ZIP 06370 is
Dashed: ZIP area · blue: utility service area · scroll or pinch to zoomDrinking water: Scwa, Oakdale Heights Division
Health-based violations
| Contaminant or rule | Health-based violations since 2016 |
|---|---|
| Lead and Copper 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. 1 still listed as unresolved (“unaddressed” or “addressed” but not yet returned to compliance); the latest began Jan 2023.
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 New London 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 →
Superfund sites nearby
| Site | Status | Distance |
|---|---|---|
| New London Submarine Base New London, Connecticut · EPA ID CTD980906515 | Active (final NPL) | 7.0 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 06370
Who supplies drinking water to ZIP 06370?
Scwa, Oakdale Heights Division (EPA ID CT0860031), a groundwater (wells) system serving about 876 people.
Is there lead in Oakdale, CT tap water?
The utility’s latest 90th-percentile lead result (Jan 2026) was 7.2 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 Oakdale, CT 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 06370 had violations?
Health-based violations since 2016: Lead and Copper Rule. 1 is still listed as unresolved in EPA records.
Are there Superfund sites near 06370?
The nearest active Superfund site is 7.0 miles away. Sites within 10 miles: New London Submarine Base (7.0 mi, Active (final NPL)).
Is radon a problem in New London County?
New London County is in EPA radon zone 1 (highest potential). Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.