Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Maricopa County, Arizona, 2020

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 Maricopa County, Arizona during 2020. 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 Maricopa County facility page.

Maricopa County, Arizona, 2020

Air-emissions stack tests in Maricopa County, other years

Air-emissions stack tests recorded in Maricopa County, Arizona, 2020

DateFacilityKindAgency
2020-12-15APS WEST PHX POWER PLANTPassLocal
2020-12-11NEW WINCUP HOLDINGS — high-priority violation on filePendingLocal
2020-11-16INTEL CORP - OCOTILLO CAMPUS — high-priority violation on filePassLocal
2020-10-21REAL ALLOY ARIZONAPassLocal
2020-10-06SOLANA GENERATING STATIONPassLocal
2020-08-27SOLANA GENERATING STATIONPendingLocal
2020-08-20APS REDHAWK GENERATING FACILITYPendingLocal
2020-08-20ARLINGTON VALLEY — high-priority violation on filePendingLocal
2020-08-12APS WEST PHX POWER PLANTPendingLocal
2020-08-12CMC STEEL FABRICATORSPendingLocal
2020-07-15APS WEST PHX POWER PLANTPendingLocal
2020-07-15SALT RIVER PROJECT - AGUA FRIA GENERATING STATIONPassLocal
2020-06-27NEW WINCUP HOLDINGS — high-priority violation on filePassLocal
2020-06-25SFPP-PHOENIX TERMINALPassLocal
2020-06-19QUIKJET - MONROE I & II TERMINALS — high-priority violation on filePassLocal
2020-06-11CAMP VERDE HMA PLANTPendingState
2020-06-08INTEL CORP - OCOTILLO CAMPUS — high-priority violation on filePendingLocal
2020-06-08INTEL CORP - OCOTILLO CAMPUS — high-priority violation on filePendingLocal
2020-06-02SALT RIVER PROJECT - KYRENE GENERATING STATION — high-priority violation on filePassLocal
2020-05-22APS OCOTILLO POWER PLANTPassLocal
2020-05-07SALT RIVER PROJECT - SANTAN GENERATING STATIONPassLocal
2020-04-21MESQUITE GENERATING STATIONPassLocal
2020-04-19NORTHWEST REGIONAL LANDFILLPassLocal
2020-04-17GILA RIVER POWER STATION — high-priority violation on filePendingLocal
2020-02-27APS OCOTILLO POWER PLANTPassLocal
2020-02-20GOLD BOND BUILDING PRODUCTS — high-priority violation on filePassLocal
2020-02-20CMC STEEL FABRICATORSPassLocal
2020-02-13VULCAN PORTABLE ONE PLANT - FLAGSTAFFPendingState
2020-01-30SFPP-PHOENIX TERMINALPassLocal

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 Maricopa county, AZ, in 2020. It lists 29 stack tests recorded in 2020.