EPA Air · stack tests by county and year

Air-emissions stack tests in Berkeley County, South Carolina, 2026

14Stack 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 Berkeley County, South Carolina during 2026. 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 Berkeley County facility page.

Berkeley County, South Carolina, 2026

Air-emissions stack tests in Berkeley County, other years

Air-emissions stack tests recorded in Berkeley County, South Carolina, 2026

Date	Facility	Kind	Agency
2026-07-29	SANTEE COOPER CROSS GENERATING STATION — high-priority violation on file	Pass	State
2026-07-28	SANTEE COOPER CROSS GENERATING STATION — high-priority violation on file	Pass	State
2026-07-16	A M WILLIAMS STATION	Pending	State
2026-06-23	MID-CONTINENT COAL AND COKE COMPANY	Pending	State
2026-06-18	A M WILLIAMS STATION	Pass	State
2026-06-15	CENTURY ALUMINUM OF SOUTH CAROLINA INC — high-priority violation on file	Pending	State
2026-05-19	SANDERS BROTHERS CONSTRUCTION COMPANY INC BERKELEY PLANT	Pass	State
2026-05-05	SANTEE COOPER CROSS GENERATING STATION — high-priority violation on file	Pass	State
2026-05-01	BERKELEY COUNTY LANDFILL	Pending	State
2026-04-16	CENTURY ALUMINUM OF SOUTH CAROLINA INC — high-priority violation on file	Pending	State
2026-04-02	CENTURY ALUMINUM OF SOUTH CAROLINA INC — high-priority violation on file	Pending	State
2026-03-19	CENTURY ALUMINUM OF SOUTH CAROLINA INC — high-priority violation on file	Fail	State
2026-02-05	SANTEE COOPER CROSS GENERATING STATION — high-priority violation on file	Pass	State
2026-01-14	NUCOR STEEL - BERKELEY	Pass	State

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