EPA Air · by county

Air-emissions sources in Clay County, South Dakota

7Facilities

Every stationary source in Clay County, South Dakota that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.

Every source’s record in Clay County

Each of the 4 operating major, synthetic minor and minor sources in Clay County, South Dakota has a record page: every source in Clay County, A to Z.

By emissions classification in Clay County

A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.

Inspections in Clay County, by year

A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.

Inspections in Clay County, year by year

Other counties in South Dakota

Every county in the state with at least three sources on file.

Facilities

Facility↑↓	Classification↑↓	HPV
BASIN ELECTRIC POWER COOPERATIVE SPIRIT MOUND STAT	Major source	No
CITY OF VERMILLION LANDFILL	Minor source	No
CLAY RURAL WATER SYSTEM INC. - WAKONDA	Synthetic minor source	No
MIDWEST READY MIX	Synthetic minor source	No
MISSOURI VALLEY ENERGY, LLC	Synthetic minor source	No
MISSOURI VALLEY ENERGY, LLC	Synthetic minor source	No
UNIVERSITY OF SOUTH DAKOTA	Major source	Yes

County as filed on the facility record. Figures from EPA’s ICIS-AIR download.

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