Soil labs by state
New Mexico
New Mexico’s official current guidance comes from New Mexico State University (NMSU) Extension and AES. NMSU’s older SWAT soil-testing lab is referenced as closed, and current NMSU pages direct homeowners to choose an outside soil lab, mail or deliver samples to that lab, and use county Extension for local help and interpretation.
Checked against official sources on October 4, 2026. Rules and links change; confirm with the office listed before you act.
- Find your county Extension office
- Official page →
Official resources in New Mexico
Official NMSU page listing soil laboratories to consider for New Mexico soils and the homeowner test types they offer.
Official NMSU homeowner guide for collecting samples and mailing or delivering them to a lab of your choice.
Official NMSU guide on which soil analyses are appropriate for New Mexico soils and when to ask Extension for interpretation help.
Official county Extension office finder with links to all 33 county offices and the online directory.
Key facts for New Mexico
- NMSU says its SWAT soil-testing laboratory was closed in June 2012.
- NMSU’s current Soil Testing page lists outside laboratories to consider for evaluating New Mexico soils for plant production.
- NMSU Guide A-114 says to mail or deliver soil samples to the lab of your choice.
- NMSU says homeowners can share lab results with their local county Extension agent or agronomy specialist for interpretation help.
- Bernalillo County Extension says the office no longer gives out soil collection tubes.
- NMSU’s county office page links residents to all 33 county Extension offices and the Extension online directory.
What to do next
- Use NMSU Guide A-114 to collect a representative sample, then choose a lab from NMSU’s Soil Testing page and send the sample directly to that lab.
- Before ordering tests, review NMSU Guide A-146 so you request analyses suited to New Mexico soils.
- Use the NMSU county office finder to contact your local Extension office for sampling guidance and help interpreting results.
Helpful guides
- How to take a soil sample for a lab test
- University soil labs vs. private labs vs. home kits
- How to read a soil test report
- Soil pH and lime: what your test is telling you