Short-term kit
PicoCan short-term charcoal canister radon test
- Lab fee included
Method: Charcoal
In home: 48 to 96 hours
Locations and reports
Radon Levels in Hidalgo County, New Mexico
EPA puts Hidalgo County in Zone 2, its middle radon zone. Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Nearest county
16.3%
Doña Ana County, 114 miles
- Doña Ana
- 16.3%
- New Mexico
- 30.3%
Share at 4+ pCi/L, 104 tests, 2006 to 2015
Ground above low
4.3%
88.3 pts below New Mexico
- Hidalgo
- 4.3%
- New Mexico
- 92.6%
Share of land USGS rates moderate or high potential
Tests reported
0
None published
A home here needs its own test
EPA radon zone
Zone 2
Moderate potential
- 1
- Zone 2
- 3
1 highest, 3 lowest
EPA predicts 2 to 4 pCi/L indoors
Read a result for Hidalgo County
Starts at EPA's action level
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
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 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.
The data
Hidalgo County, At a glance
Hidalgo County at a glance
Predicted: EPA radon zone
EPA Zone 2: moderate predicted potential
Hidalgo County is a
USGS geologic potential: Low across 96% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
No CDC test figures here
CDC has published no radon test figures for Hidalgo County. Doña Ana County, 114 miles away, is the nearest county with a figure over the 2006 to 2015 laboratory totals.
Hidalgo County, Compared
Hidalgo County radon figures, compared
Calculated by Radon411No CDC figure names Hidalgo County, in any year or ten-year total; over the 2006 to 2015 laboratory totals, the agency's counts reach 30 New Mexico counties without it. Pooled across 30 New Mexico counties, 30.3% of reported tests reached that level; across every county in the country with a figure, 36.3%.
The nearest counties with a figure are Doña Ana County (114 miles away) at 16.3%, Otero County (181 miles away) at 10.7% and Lincoln County (228 miles away) at 20.6%. Statewide for the same period, Taos County reported the highest share (71.9%) and Otero County the lowest (10.7%).
EPA's 1993 map puts Hidalgo County in Zone 2, its middle label: a predicted county average between 2 and 4 pCi/L. USGS geology rates 96% of the county's land low radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Hidalgo County, Geology
The ground under Hidalgo County
PredictedMost of the ground under Hidalgo County is one class on USGS's geologic map: 95.6% of its land is low radon potential, with 4.3% moderate. 95.6% of it lies in the area the map calls Basin and Range Southern Mexican Highland, to which USGS gives a radon index of 8, in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Basin and Range Southern Mexican Highland | Volcanic, plutonic, and lesser sandstone, shale, limestone; Quaternary velley-fill alluvium. | Low | 8 | 95.6% |
| Datil-Mogollon Volcanic Field | Silicic to intermediate volcanic and volcaniclastic rocks, basin-fill gravel, sand, silt. | Moderate | 11 | 4.3% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Hidalgo County beside the ground around it
Across New Mexico 19.2% of the land is rated high; none of Hidalgo County's is. Of the 4 counties that border it, 3 have more moderate-potential ground, Greenlee County, AZ the most at 97.7%.
The map rates the ground, not the air in any home.
Local help
Hidalgo County, Local resources
Radon testing and mitigation in Hidalgo County
- New Mexico Indoor Radon Outreach ProgramNew Mexico Indoor Radon Outreach Program, run by New Mexico Environment Department, does not license radon professionals and offers free or discounted test kits, and answers questions about testing and mitigation in New Mexico.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsThe program says:
The New Mexico Environment Department seasonally distributes free radon testing kits to the public on a first-come, first-served basis.
- Compare kits
- See the New Mexico directoryNo professionals are listed in New Mexico yet. The state program can point you to registered testers and mitigators.
What New Mexico's program says
- Phone
- (505) 476-8600
- radon.questions@env.nm.gov
- Licensing of radon professionals
There is not currently a certification program within the state.
What it means
Hidalgo County, Questions
Questions about radon in Hidalgo County
Are radon levels high in Hidalgo County?
No CDC testing statistics are published here for Hidalgo County, New Mexico yet. Of the 8 nearest counties with a figure, within 306 miles, the share of tests at or above 4 pCi/L runs from 10.7% to 41.9%.
Which counties border Hidalgo County?
Hidalgo County borders 4 counties: Grant County, NM, Cochise County, AZ, Luna County, NM and Greenlee County, AZ.
Products
Hidalgo County, Products
Testing a home in Hidalgo County
No CDC figure names Hidalgo County; the nearest county with one, Doña Ana County (114 miles away), reported 16.3% of its tests at or above 4 pCi/L over the 2006 to 2015 laboratory totals, the only reading nearby until a test of this home. In Zone 2 a short-term kit (2 to 90 days) is the quick first check in Hidalgo County; a long-term test tells the year-round average.
Test kits and monitors3
See every kit and monitor
Long-term kit
RL416 long-term radon test kit, lab fee included
- Lab fee included
Method: Alpha track
In home: 90 days to 12 months
MonitorX-Sense
XR0A-SR battery digital radon detector with a screen
- C-NRPP 2024/25: Not included
- Battery
- Screen
Method: Alpha spectrometry
First reading: Within 24 hours
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Hidalgo County, Bordering counties
Counties bordering Hidalgo County
Calculated by Radon411- Radon levels in Grant County, NMEPA zone 2
40.0%at or above 4 pCi/L
Median 2.2 pCi/L · 20 tests
- Radon levels in Luna County, NMEPA zone 2
30.0%at or above 4 pCi/L
Median 2.8 pCi/L · 10 tests
- Radon levels in Cochise County, AZEPA zone 2
27.3%at or above 4 pCi/L
Median 3.0 pCi/L · 22 tests
- Radon levels in Greenlee County, AZEPA zone 2
No CDC figure for 2006 to 2015; its page reads it against its own neighbours.
Hidalgo County, Cities and towns
Cities and towns in Hidalgo County
Hidalgo County has been losing residents: from 4,163 in 2020 to 3,929 on July 1, 2025, a fall of 5.6% by the Census Bureau's estimates. Spread over its land, that is 1.1 people to the square mile. Lordsburg alone is home to 2,181 of them, 55.5% of the total. Together its 2 incorporated places hold 58.5% of those residents; the other 41.5% live outside any of them. CDC publishes no radon test count for Hidalgo County; across New Mexico its counts for 2006 to 2015 come to 2.0 tests for every 1,000 residents (2025 estimate).
From Lordsburg to Virden, CDC publishes no figure by town: each reads Hidalgo County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Lordsburg | 2,181 | −6.1% | 55.5% |
| Virden | 118 | −5.6% | 3.0% |
2 incorporated places, as listed in the U.S. Census Bureau’s 2020 place reference files. Residents: U.S. Census Bureau population estimates for July 1, 2025 (Vintage 2025).
Hidalgo County, Homes
Homes in Hidalgo County
Of Hidalgo County's 2,219 homes, 60% are detached houses, against 65% across New Mexico; 33% are mobile homes. Half of its homes were built before 1977, close to New Mexico's 1984: 26% date from before 1960 and 20% from 2000 or later. Owners live in 75% of the occupied homes (New Mexico: 69%), so for most households a test and a fix are their own to order.
| Homes | Hidalgo County | New Mexico |
|---|---|---|
| Housing units | 2,219 | 949,524 |
| Detached houses | 60% | 65% |
| In buildings of 5 or more | 4% | 10% |
| Mobile homes | 33% | 16% |
| Built before 1960 | 26% | 17% |
| Built since 2000 | 20% | 24% |
| Middle year built | 1977 | 1984 |
| Owner-occupied | 75% | 69% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.