EPA Air · stack tests by state and year

Air-emissions stack tests in New Mexico, 2025

• 1,801Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in New Mexico during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in New Mexico, 2025

• Eddy County 913
• Lea County 850
• Bernalillo County 15
• San Juan County 10
• Chaves County 8

New Mexico, other years

• 2026 724
• 2024 1,428
• 2023 1,087
• 2022 981
• 2021 841
• 2020 846
• 2019 421
• 2018 31
• 2017 24

Air-emissions stack tests recorded in New Mexico, 2025

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.