EPA Air · stack tests by county and year

Air-emissions stack tests in Humboldt County, Nevada, 2023

17Stack 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 2023. 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, 2023

Air-emissions stack tests in Humboldt County, other years

Air-emissions stack tests recorded in Humboldt County, Nevada, 2023

Date	Facility	Kind	Agency
2023-11-10	WINNEMUCCA PLANT — high-priority violation on file	Pass	State
2023-10-31	NORTH VALMY GENERATING STATION	Pass	State
2023-10-30	NORTH VALMY GENERATING STATION	Pass	State
2023-08-24	NORTH VALMY GENERATING STATION	Pass	State
2023-08-24	NORTH VALMY GENERATING STATION	Pass	State
2023-08-23	NORTH VALMY GENERATING STATION	Pass	State
2023-08-10	TWIN CREEKS MINE — high-priority violation on file	Pass	State
2023-08-10	TWIN CREEKS MINE — high-priority violation on file	Pass	State
2023-08-10	TWIN CREEKS MINE — high-priority violation on file	Pass	State
2023-08-10	TWIN CREEKS MINE — high-priority violation on file	Pass	State
2023-07-13	MARIGOLD MINE	Pass	State
2023-05-26	TWIN CREEKS MINE — high-priority violation on file	Pass	State
2023-05-26	TWIN CREEKS MINE — high-priority violation on file	Pass	State
2023-05-26	TWIN CREEKS MINE — high-priority violation on file	Pass	State
2023-04-06	NORTH VALMY GENERATING STATION	Pass	State
2023-02-20	NORTH VALMY GENERATING STATION	Pass	State
2023-01-19	WINNEMUCCA PLANT — 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.