Iowa
Humboldt County
11 ZIP codes with environmental report cards. Letters show the range across each ZIP’s neighborhoods; open a ZIP for the details and sources.
| ZIP | Graded D or F | Water | Air | Superfund | Industry |
|---|---|---|---|---|---|
| 50519 | 6 of 12 | A to D | A | A | B to D |
| 50520 | 6 of 12 | B to D | A | A | C to D |
| 50529 | 5 of 12 | C | A | A | D |
| 50541 | 6 of 12 | A to D | A | A | C to D |
| 50545 | 5 of 12 | B to C | A | A | D |
| 50548 | 6 of 12 | A to F | A | A | D |
| 50558 | 7 of 12 | A to D | A | A | B to D |
| 50570 | 6 of 12 | A to D | A | A | B to D |
| 50577 | 5 of 12 | B to C | A | A | A to D |
| 50582 | 6 of 12 | B to D | A | A | D |
| 50591 | 6 of 12 | B to F | A | A | D to F |