EPA Air · stack tests by county and year

Air-emissions stack tests in Pueblo County, Colorado, 2020

19Stack tests

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 Pueblo County, Colorado 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 Pueblo County facility page.

Pueblo County, Colorado, 2020

Air-emissions stack tests in Pueblo County, other years

Air-emissions stack tests recorded in Pueblo County, Colorado, 2020

Date	Facility	Kind	Agency
2020-11-12	PUBLIC SERVICE CO - COMANCHE PLT — high-priority violation on file	Pass	State
2020-11-11	PUBLIC SERVICE CO - COMANCHE PLT — high-priority violation on file	Pass	State
2020-10-22	BLACK HILLS ELECTRIC GENERATION - PAGS	Pass	State
2020-10-22	BLACK HILLS ELECTRIC GENERATION - PAGS	Pass	State
2020-10-21	BLACK HILLS ELECTRIC GENERATION - PAGS	Pass	State
2020-10-21	BLACK HILLS ELECTRIC GENERATION - PAGS	Pass	State
2020-10-20	BLACK HILLS ELECTRIC GENERATION - PAGS	Pass	State
2020-10-20	BLACK HILLS ELECTRIC GENERATION - PAGS	Pass	State
2020-07-16	GCC RIO GRANDE - PUEBLO CEMENT PLANT — high-priority violation on file	Pass	State
2020-07-16	BLACK HILLS ELECTRIC GENERATION - PAGS	Pass	State
2020-07-15	BLACK HILLS ELECTRIC GENERATION - PAGS	Pass	State
2020-07-15	BLACK HILLS ELECTRIC GENERATION - PAGS	Pass	State
2020-07-14	BLACK HILLS ELECTRIC GENERATION - PAGS	Pass	State
2020-07-14	BLACK HILLS ELECTRIC GENERATION - PAGS	Pass	State
2020-06-11	GCC RIO GRANDE - PUEBLO CEMENT PLANT — high-priority violation on file	Pass	State
2020-06-11	GCC RIO GRANDE - PUEBLO CEMENT PLANT — high-priority violation on file	Pass	State
2020-06-10	GCC RIO GRANDE - PUEBLO CEMENT PLANT — high-priority violation on file	Pass	State
2020-04-23	CF & I STEEL L.P. DBA EVRAZ ROCKY MTN ST — high-priority violation on file	Pass	State
2020-04-23	CF & I STEEL L.P. DBA EVRAZ ROCKY MTN ST — high-priority violation on file	Pass	State

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