Is radon high in Bend, Oregon?

Low. Averaging the model's ZIP-code predictions across Bend (weighted by how much of the city each ZIP covers) gives a long-term basement mean of 1.7 pCi/L - close to the US average of 1.8 and close to the Oregon average of 1.7. That is below the EPA's 2 pCi/L "consider fixing" threshold, though individual homes still vary. Bend ranks 4 of 13 Oregon cities on this site.

Which Bend ZIP codes have the highest radon?

Predictions for the 2 modeled ZIP codes in Bend range from 1.7 to 1.7 pCi/L in the basement. 0% of them are predicted at or above 4 pCi/L and 0% at or above 2. The city is fairly uniform, so the city-wide number is a reasonable guide for any neighborhood.

Should I test for radon in Bend?

Yes, once. The EPA recommends testing every home regardless of area. A short-term kit costs little and settles the question for your house; Bend's low predicted average describes the typical home, not yours.

What does EPA Radon Zone 3 mean for Bend?

Bend sits mainly in Deschutes County, which the EPA classifies as Zone 3 - low potential (< 2 pCi/L). The zone map dates from 1993 and covers whole counties. The 2001-2021 model agrees with the zone for the city. Neither replaces a test of your own home.

Radon levels in Bend, Oregon

LowEPA Zone 3

Predicted long-term basement average of 1.7 pCi/L (model estimate) across the 2 modeled ZIP codes in Bend - close to the US average of 1.8, close to the Oregon average of 1.7. Ranked #4 of 13 Oregon cities on this site. Most of the city lies in Deschutes County.

Test Bend, OR once anyway - radon varies house to house

The predicted basement average here is 1.7 pCi/L, below the EPA's 2 pCi/L "consider fixing" threshold. That's good news for the area - but the EPA still recommends every home be tested, because foundation cracks, soil pockets and ventilation make one house very different from its neighbor. One inexpensive kit settles it.

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Predicted (model estimate). The pCi/L figures on this page are long-term area averages from a peer-reviewed national model built on millions of real radon tests (2001-2021). They describe the typical home in this area - not your home, which can be several times higher or lower. The EPA radon zone is a separate, 1993 county-level classification. How the numbers work.

1.7 ± 0.07

pCi/L predicted basement mean (model SD)

0.6 ± 0.17

pCi/L predicted upstairs (above-ground) mean

1.7-1.7

range of ZIP-level basement predictions in the city

of Bend ZIPs predicted ≥ 4 pCi/L (0% ≥ 2)

What this means for Bend

The typical Bend home is predicted below 2 pCi/L, the lowest band. That describes the average house; the ZIP-level predictions inside the city still span 1.7 to 1.7 pCi/L.

The city figure is not a separate estimate: it is the mean of the model's ZIP-code predictions, weighted by the share of the city's land in each ZIP (Census 2020 ZCTA-to-place relationship file). The 1993 EPA zone (3) for Deschutes and the 2001-2021 model agree here.

Comparable Oregon cities: Medford (1.7), Corvallis (1.7), Albany (1.8), Gresham (1.6).

ZIP codes in Bend

ZIPs that overlap the city, largest share of its land first. Predicted basement and upstairs means are model estimates; ZIPs the model does not cover show a dash.

ZIP	Share of city	Basement	Upstairs	Grade
97702	43%	1.7 ± 0.07	0.6	Low
97703	29%	—	—	no model
97701	28%	1.7 ± 0.08	0.5	Low

Testing help in Oregon

Oregon's radon program page is at www.oregon.gov and, when we checked it, offered a free short-term test kit for residents of higher-radon areas of Oregon. EPA state radon contacts page. If a test comes back at 4 pCi/L or higher, mitigation typically costs $800-$2,500 installed; use EPA find-a-professional and read the mitigation guide.

Bend radon questions

Is radon high in Bend, Oregon?: Low. Averaging the model's ZIP-code predictions across Bend (weighted by how much of the city each ZIP covers) gives a long-term basement mean of 1.7 pCi/L - close to the US average of 1.8 and close to the Oregon average of 1.7. That is below the EPA's 2 pCi/L "consider fixing" threshold, though individual homes still vary. Bend ranks 4 of 13 Oregon cities on this site.
Which Bend ZIP codes have the highest radon?: Predictions for the 2 modeled ZIP codes in Bend range from 1.7 to 1.7 pCi/L in the basement. 0% of them are predicted at or above 4 pCi/L and 0% at or above 2. The city is fairly uniform, so the city-wide number is a reasonable guide for any neighborhood.
Should I test for radon in Bend?: Yes, once. The EPA recommends testing every home regardless of area. A short-term kit costs little and settles the question for your house; Bend's low predicted average describes the typical home, not yours.
What does EPA Radon Zone 3 mean for Bend?: Bend sits mainly in Deschutes County, which the EPA classifies as Zone 3 - low potential (< 2 pCi/L). The zone map dates from 1993 and covers whole counties. The 2001-2021 model agrees with the zone for the city. Neither replaces a test of your own home.

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