Frost Line Depth in Eddy County, New Mexico
- 1 verified code nearby
- Checked Oct 2026
No official local value
No official frost line depth is published for Eddy County.
Nearby official codes require 12 in (1 verified code).
Source and how we checked
We searched this place’s own code and website and found no published frost line depth.
Climate: 78 nights a year at or below 32 °F (NOAA 1991–2020, Brantley Dam, 6 mi).
Checked Oct 2026. Report a correction
Does Eddy County have an official frost line depth?
No adopted frost line depth found for Eddy County in its official documents (checked Oct 2026). The nearest official values, from codes we verified, are 12 in. Use the deepest of them until the building department confirms Eddy County’s own number.
What frost line depth does Eddy County use for footings under Table R301.2(1)? Is it 12 in, like Roswell?
How deep do footings, decks and water lines need to be in Eddy County?
Drawn with the deepest nearby official value (12 in). Confirm Eddy County’s own depth before you dig.
House or garage footing in Eddy County: dig at least 12 in (30 cm). Below the frost line and at least 12 in deep (IRC R403.1.4).
| Project | Depth | Rule |
|---|---|---|
| House or garage footing | 12 in | Below the frost line and at least 12 in deep (IRC R403.1.4) |
| Deck footing (attached) | 12 in | Below the frost line and at least 12 in deep (IRC R507.3) |
| Water service line | 18 in | 6 in below the frost line and at least 12 in deep (IRC P2603.5) |
| Fence post bottom | 12 in | No code rule; common practice is below the frost line |
Work out posts, concrete and footing sizes with the fence post depth calculator or the deck footing calculator.
How cold does it get in Eddy County?
- J
- F
- M
- A
- M
- J
- J
- A
- S
- O
- N
- D
Average lows are at or below freezing from Dec to Jan. 78 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 28.5 °F.
NOAA 1991–2020 climate normals, Brantley Dam station, 6 mi away, elevation 3,213 ft.
Monthly temperatures as a table
| °F | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low | 28.5 | 32.2 | 39.9 | 46.6 | 56.9 | 65.8 | 69.4 | 67.8 | 60.3 | 48 | 36 | 28.7 |
| High | 58.2 | 62.8 | 71.1 | 79.7 | 87.3 | 95.9 | 95.7 | 94.3 | 87 | 78.1 | 66 | 57.5 |
Eddy County has fewer freezing nights than 13 of the 16 other New Mexico places we track. The New Mexico median is 124. Coldest: McKinley County; mildest: Lea County.
What frost line depth do towns near Eddy County use?
One official code near Eddy County is verified.
| Place | Verified frost line | Distance |
|---|---|---|
| Roswell | 12 in | 65 mi away |
How likely is the soil in Eddy County to heave?
USDA rates the sampled soil around Eddy County as 3% none, 97% low for frost action (main soils: Ector, Reagan, Upton).
USDA NRCS soil survey, 9 sample points within 2 mi. Higher frost action means more risk of heave; see frost heave.
Eddy County at a glance
- Frost line depth
- No official local value
- Population (2023 est.)
- 60,275
- Mean annual temperature
- 63.1 °F
- ZIP codes (9)
- 88210 · 88220 · 88250 · 88253 · 88254 · 88255 · 88256 · 88263 · 88268