EPA Air · by county
Air-emissions sources in Polk County, Minnesota
- 29Facilities
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Every stationary source in Polk County, Minnesota 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 Polk County
Each of the 17 operating major, synthetic minor and minor sources in Polk County, Minnesota has a record page: every source in Polk County, A to Z.
By emissions classification in Polk 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.
- Other 12
- Minor source 11
- Major source 4
Inspections in Polk 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.
- 2025 inspections 5
- 2023 inspections 3
- 2022 inspections 6
- 2021 inspections 3
- 2020 inspections 4
- 2018 inspections 6
- 2017 inspections 4
Stack tests in Polk County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 7
- 2025 stack tests 6
- 2024 stack tests 7
- 2023 stack tests 8
- 2022 stack tests 17
- 2021 stack tests 12
- 2020 stack tests 3
- 2019 stack tests 7
- 2018 stack tests 8
- 2017 stack tests 5
Inspections in Polk County, year by year · Stack tests in Polk County, year by year
Other counties in Minnesota
Every county in the state with at least three sources on file.
- Mower County 18
- Murray County 5
- Nicollet County 22
- Nobles County 13
- Norman County 6
- Olmsted County 58
- Otter Tail County 31
- Pennington County 12
- Pine County 11
- Pipestone County 4
- Pope County 10
- Ramsey County 165
- Redwood County 20
- Renville County 17
- Rice County 31
- Rock County 7
- Roseau County 9
- Scott County 63
- Sherburne County 37
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| AMERICAN CRYSTAL SUGAR - CROOKSTON | Major source | No |
| AMERICAN CRYSTAL SUGAR - EAST GRAND FORKS | Major source | No |
| BERT'S TRUCK EQUIPMENT INC | Minor source | No |
| CHS INC - ERSKINE GRAIN | Synthetic minor source | No |
| CHS INC DBA MID-VALLEY COOP - CROOKSTON | Other | No |
| DEE, MANUFACTURING LLC | Other | No |
| DONARSKI BROTHERS INC | Minor source | No |
| FARMERS ELEVATOR - BELTRAMI | Minor source | No |
| FARMERS ELEVATOR - ELDRED | Minor source | No |
| INNOVATION PROCESSING AT CROOKSTON | Other | No |
| ISD 2609 - WIN-E-MAC SCHOOL | Minor source | No |
| MGI GRAIN PROCESSING INC | Other | No |
| MID-VALLEY GRAIN COOP - DIV OF CENEX | Minor source | No |
| MNSCU - NORTHLAND COMMUNITY & TECHNICAL COLLEGE - EAST GRAND FORKS | Minor source | No |
| NEW FLYER OF AMERICA INC | Minor source | No |
| NORTHSTAR LIME LLC | Other | No |
| POLK COUNTY RESOURCE RECOVERY FACILITY | Major source | No |
| PORTA-MIX CONCRETE INC | Minor source | No |
| POWELL STANDARD LLC - CROOKSTON FACILITY | Minor source | No |
| RIVERVIEW HEALTH | Minor source | No |
| RJ ZAVORAL AND SONS INC HMA PORTABLE PLANT 1 | Other | No |
| RJ ZAVORAL AND SONS INC HMA PORTABLE PLANT 2 | Other | No |
| RJ ZAVORAL AND SONS INC HMA PORTABLE PLANT 3 | Other | No |
| RJ ZAVORAL AND SONS INC NONMETALLIC PORTABLE CRUSHING PLANTS 1 AND 2 | Other | No |
| STRATA CORP | Other | No |
| SUNRICH PRODUCTS LLC | Other | No |
| UNIVERSITY OF MINNESOTA - CROOKSTON | Synthetic minor source | No |
| VIKING GAS TRANSMISSION - ANGUS COMPRESSOR STATION | Major source | No |
| WEST CENTRAL AG SERVICES - BEL | Other | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for Polk county, MN. It lists 29 facilities in Polk county, of which 4 are major sources.