EPA Air · inspections by state and year
Air-emissions inspections in South Dakota, 2025
- 106Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Every inspection below was recorded against a source in South Dakota during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in South Dakota, 2025
- Minnehaha County 19
- Brown County 9
- Brookings County 9
- Pennington County 8
- Lincoln County 5
- Codington County 5
- Beadle County 5
- Harding County 4
- Edmunds County 3
- Yankton County 3
- Roberts County 3
- Clay County 3
- Davison County 3
- Clark County 3
South Dakota, other years
Air-emissions inspections recorded in South Dakota, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-10-09 | TWIN CITY FAN & BLOWER COMPANY - BROOKINGS | BROOKINGS, Brookings, SD | FCE On-Site | State |
| 2025-10-09 | NOVITA AURORA, LLC | AURORA, Brookings, SD | FCE On-Site | State |
| 2025-09-25 | ELLSWORTH AFB | SOUTH DAKOTA, Undetermined, SD | FCE On-Site | State |
| 2025-09-23 | SIMON CONTRACTORS OF SD INC. | RAPID CITY, Pennington, SD | FCE On-Site | State |
| 2025-09-23 | MAGELLAN PIPELINE COMPANY, LP - RAPID CITY TERMINAL | RAPID CITY, Pennington, SD | FCE On-Site | State |
| 2025-09-22 | POET BIOREFINING - HUDSON, LLC | HUDSON, Lincoln, SD | FCE On-Site | State |
| 2025-09-22 | POET BIOPROCESSING - CHANCELLOR, LLC — high-priority violation on file | CHANCELLOR, Turner, SD | FCE On-Site | State |
| 2025-09-19 | MAGELLAN PIPELINE COMPANY LP - SIOUX FALLS TERMINAL | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-09-19 | MARMEN ENERGY COMPANY | BRANDON, Minnehaha, SD | FCE On-Site | State |
| 2025-09-18 | BLACK HILLS POWER, INC. - BEN FRENCH | RAPID CITY, Pennington, SD | FCE On-Site | State |
| 2025-09-18 | MIDWEST MANUFACTURING DBA DAKOTA PANEL | RAPID CITY, Pennington, SD | FCE On-Site | State |
| 2025-09-18 | BLACK HILLS POWER, INC. (LANGE) | RAPID CITY, Pennington, SD | FCE On-Site | State |
| 2025-09-17 | DESIGN TANKS, INC. | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-09-17 | SIOUX FALLS REGIONAL SANITARY LANDFILL | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-09-17 | PETE LIEN & SONS, INC. MAIN PLANT | RAPID CITY, Pennington, SD | FCE On-Site | State |
| 2025-09-16 | CITY OF RAPID CITY SOLID WASTE DIVISION | RAPID CITY, Pennington, SD | FCE On-Site | State |
| 2025-09-12 | MIDWEST RAILCAR REPAIR INC | CORSON, Minnehaha, SD | FCE On-Site | State |
| 2025-09-11 | BASIN ELECTRIC POWER COOPERATIVE SPIRIT MOUND STAT | VERMILLION, Clay, SD | FCE On-Site | State |
| 2025-09-11 | SHOWPLACE WOOD PRODUCTS INC | HARRISBURG, Lincoln, SD | FCE On-Site | State |
| 2025-09-11 | NUSTAR PIPELINE OPERATING PARTNERSHIP LP - SIOUX FALLS | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-09-11 | SANFORD USD MEDICAL CENTER | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-09-11 | NUGEN ENERGY LLC — high-priority violation on file | MARION, Turner, SD | FCE On-Site | State |
| 2025-09-10 | DAKTRONICS INC. - BROOKINGS | BROOKINGS, Brookings, SD | FCE On-Site | State |
| 2025-09-10 | BASIN ELECTRIC - DEER CREEK STATION | ELKTON, Brookings, SD | FCE On-Site | State |
| 2025-09-10 | POET BIOREFINING - BIG STONE, LLC | BIG STONE CITY, Grant, SD | FCE On-Site | State |
| 2025-09-10 | MADISON GENERATION PLANT | MADISON, Lake, SD | FCE On-Site | State |
| 2025-09-10 | T&R ELECTRIC SUPPLY COMPANY | COLMAN, Moody, SD | FCE On-Site | State |
| 2025-09-10 | T & R SERVICE COMPANY | COLMAN, Moody, SD | FCE On-Site | State |
| 2025-09-09 | BASIN ELECTRIC POWER COOPERATIVE GROTON GENERATING | GROTON, Brown, SD | FCE On-Site | State |
| 2025-09-09 | OTTER TAIL POWER COMPANY - ASTORIA STATION | ASTORIA, Deuel, SD | FCE On-Site | State |
| 2025-09-09 | AGTEGRA COOPERATIVE - CRAVEN | IPSWICH, Edmunds, SD | FCE On-Site | State |
| 2025-09-09 | DAKOTA ETHANOL LLC | WENTWORTH, Lake, SD | FCE On-Site | State |
| 2025-09-02 | SIOUX FALLS WATER RECLAMATION | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-09-02 | SIOUX FALLS WATER RECLAMATION | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-08-29 | KNTC LLC DBA SIOUX MARBLE INC. | BRANDON, Minnehaha, SD | FCE On-Site | State |
| 2025-08-29 | KNTC LLC DBA SIOUX MARBLE INC. | BRANDON, Minnehaha, SD | FCE On-Site | State |
| 2025-08-28 | SMITHFIELD PACKAGED MEATS CORP. | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-08-28 | SMITHFIELD PACKAGED MEATS CORP. | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-08-28 | GCC DACOTAH — high-priority violation on file | RAPID CITY, Pennington, SD | FCE On-Site | State |
| 2025-08-22 | BETTERFEDFOODS | POLLOCK, Campbell, SD | FCE On-Site | State |
| 2025-08-22 | NORTHERN STATES POWER COMPANY | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-08-22 | NORTHERN STATES POWER COMPANY | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-08-21 | PRAIRIE AQUATECH MANUFACTURING, LLC DBA HOUDEK MANUFACTURING | VOLGA, Brookings, SD | FCE On-Site | State |
| 2025-08-12 | GLACIAL LAKES ENERGY LLC | WATERTOWN, Codington, SD | FCE On-Site | State |
| 2025-08-12 | AGROPUR INC., LAKE NORDEN FACILITY | LAKE NORDEN, Hamlin, SD | FCE On-Site | State |
| 2025-07-30 | SIOUXLAND ENERGY COOPERATIVE | HUDSON, Lincoln, SD | FCE On-Site | State |
| 2025-07-29 | OTTER TAIL POWER COMPANY | BIG STONE CITY, Grant, SD | FCE On-Site | State |
| 2025-07-28 | PERSONA SIGNS, LLC | WATERTOWN, Codington, SD | FCE On-Site | State |
| 2025-07-24 | POET RESEARCH CENTER - SCOTLAND — high-priority violation on file | SCOTLAND, Bon Homme, SD | FCE On-Site | State |
| 2025-07-24 | SOLVENTUM US LLC — high-priority violation on file | BROOKINGS, Brookings, SD | FCE On-Site | State |
| 2025-07-23 | POET BIOREFINING - GROTON | GROTON, Brown, SD | FCE On-Site | State |
| 2025-07-23 | NORTHERN BORDER PIPELINE COMPANY - CLARK COMPRESSOR | CLARK, Clark, SD | FCE On-Site | State |
| 2025-07-23 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - CLARK | CLARK, Clark, SD | FCE On-Site | State |
| 2025-07-23 | WILLOW LAKE COMPRESSOR STATION | WILLOW LAKE, Clark, SD | FCE On-Site | State |
| 2025-07-23 | NORTHERN BORDER PIPELINE COMPANY - ESTELLINE COMPRESSOR | ESTELLINE, Deuel, SD | FCE On-Site | State |
| 2025-07-22 | BROWN COUNTY SOLID WASTE LANDFILL | ABERDEEN, Brown, SD | FCE On-Site | State |
| 2025-07-22 | DAKOTA FOUNDRY, INC. | WEBSTER, Day, SD | FCE On-Site | State |
| 2025-07-22 | NORTHERN BORDER PIPELINE COMPANY - WETONKA COMPRESSOR | WETONKA, Edmunds, SD | FCE On-Site | State |
| 2025-07-16 | HARVARD INTERGRATIONS (LECTRUS) | TEA, Lincoln, SD | FCE On-Site | State |
| 2025-07-16 | DAKOTA KITCHEN AND BATH INC | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-07-16 | CCL LABEL | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-07-14 | EAST DAKOTAS RENEWABLE ENERGY, LLC | BERESFORD, Lincoln, SD | FCE On-Site | State |
| 2025-07-10 | UNIVERSITY OF SOUTH DAKOTA — high-priority violation on file | VERMILLION, Clay, SD | FCE On-Site | State |
| 2025-07-10 | UNIVERSITY OF SOUTH DAKOTA — high-priority violation on file | VERMILLION, Clay, SD | FCE On-Site | State |
| 2025-07-10 | SPEARFISH FOREST PRODUCTS, INC. | SPEARFISH, Lawrence, SD | FCE On-Site | State |
| 2025-07-10 | WHARF RESOURCES INC - COEUR WHARF | LEAD, Lawrence, SD | FCE On-Site | State |
| 2025-06-26 | RING NECK ENERGY & FEED LLC — high-priority violation on file | ONIDA, Sully, SD | FCE On-Site | State |
| 2025-06-25 | HYDRO EXTRUSIONS (SAPA EXTRUSIONS INC) | YANKTON, Yankton, SD | FCE On-Site | State |
| 2025-06-25 | NUSTAR PIPELINE OPERATING PARTNERSHIP LP - YANKTON | YANKTON, Yankton, SD | FCE On-Site | State |
| 2025-06-25 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - YANKTON | YANKTON, Yankton, SD | FCE On-Site | State |
| 2025-06-18 | 3M COMPANY - ABERDEEN — high-priority violation on file | ABERDEEN, Brown, SD | FCE On-Site | State |
| 2025-06-18 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - ABERDEEN | ABERDEEN, Brown, SD | FCE On-Site | State |
| 2025-06-18 | WESTERN MINNESOTA MUNICIPAL POWER AGENCY - WATERTOWN | WATERTOWN, Codington, SD | FCE On-Site | State |
| 2025-06-18 | MAGELLAN PIPELINE COMPANY LP - WATERTOWN TERMINAL | WATERTOWN, Codington, SD | FCE On-Site | State |
| 2025-06-18 | BENCHMARK FOAM, INC. | WATERTOWN, Codington, SD | FCE On-Site | State |
| 2025-06-18 | HORTON INC. | BRITTON, Marshall, SD | FCE On-Site | State |
| 2025-06-17 | HUB CITY ENERGY, LLC — high-priority violation on file | ABERDEEN, Brown, SD | FCE On-Site | State |
| 2025-06-17 | AVERA ST LUKES HOSPITAL | ABERDEEN, Brown, SD | FCE On-Site | State |
| 2025-06-17 | NUSTAR PIPELINE OPERATING PARTNERSHIP LP - ABERDEEN | ABERDEEN, Brown, SD | FCE On-Site | State |
| 2025-06-17 | ABERDEEN ENERGY, LLC — high-priority violation on file | MINA, Edmunds, SD | FCE On-Site | State |
| 2025-06-03 | SOUTH DAKOTA SOYBEAN PROCESSORS - VOLGA | VOLGA, Brookings, SD | FCE On-Site | State |
| 2025-06-03 | VALERO RENEWABLE FUELS COMPANY LLC — high-priority violation on file | AURORA, Brookings, SD | FCE On-Site | State |
| 2025-06-03 | NOVITA AURORA, LLC | AURORA, Brookings, SD | FCE On-Site | State |
| 2025-05-29 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - FAULKTON | FAULKTON, Faulk, SD | FCE On-Site | State |
| 2025-05-28 | AMERICAN COLLOID | BELLE FOURCHE, Butte, SD | FCE On-Site | State |
| 2025-05-28 | WBI ENERGY TRANSMISSION, INC | BELLE FOURCHE, Butte, SD | FCE On-Site | State |
| 2025-05-28 | CONTINENTAL RESOURCES - WEST BUFFALO (CTB25) | NEAR BUFFALO, Harding, SD | FCE On-Site | State |
| 2025-05-28 | CONTINENTAL RESOURCES - BUFFALO (CTB#1) | NEAR BUFFALO, Harding, SD | FCE On-Site | State |
| 2025-05-28 | CONTINENTAL RESOURCES - SOUTH BUFFALO (CTB#11) | NEAR BUFFALO, Harding, SD | FCE On-Site | State |
| 2025-05-28 | CONTINENTAL RESOURCES - SOUTH BUFFALO (CTB#3) | NEAR BUFFALO, Harding, SD | FCE On-Site | State |
| 2025-05-27 | RED RIVER ENERGY, LLC — high-priority violation on file | ROSHOLT, Roberts, SD | FCE On-Site | State |
| 2025-05-27 | RED RIVER ENERGY, LLC — high-priority violation on file | ROSHOLT, Roberts, SD | FCE On-Site | State |
| 2025-05-27 | WOODLAND CABINETRY — high-priority violation on file | SISSETON, Roberts, SD | FCE On-Site | State |
| 2025-05-21 | MASTERBRAND CABINETS LLC | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-05-21 | FORMATOP COMPANY INC | SIOUX FALLS, Minnehaha, SD | FCE On-Site | State |
| 2025-05-19 | FORT PIERRE POWER AND LIGHT PLANT — high-priority violation on file | FORT PIERRE, Stanley, SD | FCE On-Site | State |
| 2025-05-15 | REDFIELD ENERGY LLC — high-priority violation on file | REDFIELD, Beadle, SD | FCE On-Site | State |
| 2025-05-12 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - HURON | HURON, Beadle, SD | FCE On-Site | State |
| 2025-05-12 | JACK LINK'S BEEF JERKY | ALPENA, Jerauld, SD | FCE On-Site | State |
| 2025-05-01 | NUSTAR PIPELINE OPERATING PARTNERSHIP LP - WOLSEY | WOLSEY, Beadle, SD | FCE On-Site | State |
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Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.