Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Wake County, North Carolina, 2025

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Wake County, North Carolina during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Wake County facility page.

Wake County, North Carolina, 2025

Air-emissions stack tests in Wake County, other years

Air-emissions stack tests recorded in Wake County, North Carolina, 2025

DateFacilityKindAgency
2025-12-10NC DOA CENTRAL HEATING PLANTPassState
2025-11-13NORTH CAROLINA STATE UNIVERSITYPassState
2025-08-05LIBERTY WASTE SOLUTIONS — high-priority violation on fileFailState
2025-05-28NORTH WAKE COUNTY LANDFILLPassState
2025-05-01NORTH CAROLINA STATE UNIVERSITYPassState
2025-04-11YATES BUFFALOE WOOD PROCESSING FACILITY (ACI)PassState

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

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in Wake county, NC, for 2025. The stack tests recorded in 2025 total 6.