| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Badger Meter Inc. | 2 | 2 | 255.00 |
| Elgin Msw Landfill(Sonoita) | 28 | 28 | 738.63 |
| Kino Springs Cswlf | 28 | 28 | 6,569.06 |
| Nogales Cswlf | 28 | 28 | 1,069.83 |
| Patagonia Msw Landfill | 28 | 28 | 446.27 |
| Rio Rico Msw Landfill | 28 | 28 | 5,163.22 |
| Steris Inc. | 1 | 2 | 80.80 |
| Tubac Msw Landfill/Collection Site Since 1996 | 28 | 28 | 859.81 |
| Valencia Power Plant | 3 | 18 | 3,615.33 |