EPA Air · stack tests by county and year

Air-emissions stack tests in Humboldt County, Nevada, 2020

24Stack 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 Humboldt County, Nevada 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 Humboldt County facility page.

Humboldt County, Nevada, 2020

Air-emissions stack tests in Humboldt County, other years

Air-emissions stack tests recorded in Humboldt County, Nevada, 2020

Date	Facility	Kind	Agency
2020-12-29	TWIN CREEKS MINE — high-priority violation on file	Fail	State
2020-12-01	WINNEMUCCA COMPRESSOR STATION #4	Pass	State
2020-11-04	WINNEMUCCA PLANT — high-priority violation on file	Pass	State
2020-10-29	TWIN CREEKS MINE — high-priority violation on file	Pass	State
2020-10-26	TWIN CREEKS MINE — high-priority violation on file	Fail	State
2020-10-16	NORTH VALMY GENERATING STATION	Pass	State
2020-10-13	NORTH VALMY GENERATING STATION	Pass	State
2020-09-16	TWIN CREEKS MINE — high-priority violation on file	Pass	State
2020-08-27	MARIGOLD MINE	Pass	State
2020-08-25	NORTH VALMY GENERATING STATION	Pass	State
2020-08-24	NORTH VALMY GENERATING STATION	Pass	State
2020-08-20	WINNEMUCCA PLANT — high-priority violation on file	Fail	State
2020-07-30	NORTH VALMY GENERATING STATION	Pass	State
2020-07-28	NORTH VALMY GENERATING STATION	Pass	State
2020-06-25	NORTH VALMY GENERATING STATION	Pass	State
2020-06-12	CROFOOT/LEWIS PROJECT — high-priority violation on file	Pass	State
2020-06-11	NORTH VALMY GENERATING STATION	Pass	State
2020-06-10	NORTH VALMY GENERATING STATION	Pass	State
2020-06-10	TWIN CREEKS MINE — high-priority violation on file	Fail	State
2020-04-02	TWIN CREEKS MINE — high-priority violation on file	Pass	State
2020-04-02	TWIN CREEKS MINE — high-priority violation on file	Pass	State
2020-01-17	NORTH VALMY GENERATING STATION	Pass	State
2020-01-17	NORTH VALMY GENERATING STATION	Incomplete	State
2020-01-08	NORTH VALMY GENERATING STATION	Pass	State

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