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Radon Levels in St. John Island, U.S. Virgin Islands

EPA has no radon zone on file for St. John Island, and the only way to know your home's level is to test it.

How to test this homeFind a certified tester

  • Tests reported

    0

    None published

    A home here needs its own test

Read a result for St. John Island

Starts at EPA's action level

4.0pCi/L

EPA’s own thresholds; the figures are the area’s, never this home’s.

EPA’s reading of 4.0 pCi/L

At or above 4 pCi/L

  1. Under 20 to 1.9 pCi/L
  2. 2 to 4consider a fix
  3. 4 and aboveEPA says fix it

This result is at or above 4 pCi/L. EPA recommends fixing a home when the radon level is 4 pCi/L or higher.

Interpret this readingWhat a fix costs

The data

St. John Island, At a glance

St. John Island at a glance

Predicted: EPA radon zone

No EPA zone on file

Radon411 has no EPA radon zone on file for St. John Island, U.S. Virgin Islands, and it does not guess one.

A prediction for the whole county, not a measurement of any address: elevated homes occur in all three zones.

Predicted: no EPA zone on file yet

Measured: tests reported to CDC

No CDC test figures here

CDC has published no radon test figures for St. John Island. Only a test tells you the level in a home.

How to read these figures

St. John Island, Compared

St. John Island radon figures, compared

Calculated by Radon411

CDC publishes no radon test figure for St. John Island, and none for any other U.S. Virgin Islands county: its counts over the 2006 to 2015 laboratory totals cover 2,669 counties elsewhere in the country. Across every county in the country with a figure (2,669), 36.3% of reported tests reached that level; no U.S. Virgin Islands county contributes to that pool.

The United States and the counties around St. John Island, 2006 to 2015, laboratory
AreaTestsAt or above 4 pCi/LMedian
United States, pooled2,669 counties, pooled1,805,52836.3%Not pooled

Pooled shares: Radon411's sum of CDC's county counts for one period.

Local help

St. John Island, Local resources

Radon testing and mitigation in St. John Island

What it means

St. John Island, Questions

Questions about radon in St. John Island

Are radon levels high in St. John Island?

No CDC testing statistics are published here for St. John Island, U.S. Virgin Islands yet. No county within 250 miles of St. John Island has a CDC figure, so the only comparison is the national pool: 36.3% of reported tests at or above 4 pCi/L.

Which counties border St. John Island?

St. John Island borders 1 county equivalent: St. Thomas Island.

Products

St. John Island, Products

Testing a home in St. John Island

No CDC figure names St. John Island, and none within 250 miles of it: a test of this home is the only reading it will get. A short-term kit (2 to 90 days) is the quick first check for a home in St. John Island; a long-term test tells the year-round average.

Test kits and monitors3

See every kit and monitor

Best radon monitors for St. John Island homes, compared

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St. John Island, Bordering county equivalents

County equivalents bordering St. John Island

Calculated by Radon411