Radon in Blue Earth County
Very high radon riskOver 2014-2023, 56.3% of Blue Earth County homes tested came back at or above the 4 pCi/L action level, above the statewide figure of 35.9%. The median test result here was 4.7 pCi/L over 2010–2020 (statewide median: 3.1 pCi/L). About 256 Blue Earth County properties were tested per year over that period. More than half of the homes tested in this county came back at or above the 4 pCi/L action level.
| Tests at or above 2 pCi/L (2014-2023) | 77.3% (2,202 properties) |
| Tests at or above 4 pCi/L (2014-2023) | 56.3% (1,602 properties) |
| Median result (2010–2020) | 4.7 pCi/L |
| Average result (2010–2020) | 6.1 pCi/L |
| 95th percentile (2010–2020) | 16.8 pCi/L |
| Testing rate (2010–2020) | 89.9 per 10,000 properties per year |
Source: Minnesota Department of Health radon test data, last checked July 8, 2026. County numbers describe homes that happened to be tested, not yours; only a test can tell you your home's level.
The number that matters is your home's
A test kit costs about $10 to $30 (affiliate link) and winter is the best season. Not sure if you're due?
Take the 60-second should-I-test checkupGet a reminder when it's time to retest
MDH recommends retesting every two to five years, and after any mitigation work. Tests get forgotten; we'll remember for you.
A reminder or two per year, nothing else. We never sell your email. Unsubscribe anytime.