| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Gcc Dacotah | 11 | 150 | 15,049,763.71 |
| Black Hill Power & Light Company (Ben French) | 13 | 109 | 3,964,905.26 |
| Merillat Industries Inc | 5 | 45 | 545,925.00 |
| Pete Lien And Sons Inc | 6 | 28 | 580,480.60 |
| Rapid City Landfill | 28 | 28 | 11,100.92 |
| Sanmina-Sci Corp. | 1 | 2 | 20.00 |