Maryland
St. Mary's County
26 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 |
|---|---|---|---|---|---|
| 20606 | 2 of 12 | C | A | A | A |
| 20609 | 2 of 12 | C | A | A | A |
| 20618 | 2 of 12 | C | A | A | A |
| 20619 | 3 of 12 | B to C | A | D to F | A |
| 20620 | 4 of 12 | A to D | A | C to D | A |
| 20621 | 2 of 12 | B to C | A | A | A |
| 20624 | 2 of 12 | B to C | A | A | A to B |
| 20626 | 2 of 12 | C | A | A | A |
| 20628 | 3 of 12 | C | A | D | A |
| 20630 | 4 of 12 | A to D | A | C to D | A |
| 20634 | 4 of 12 | A to C | A | D to F | A to B |
| 20636 | 3 of 12 | B to C | A to B | A to F | A to B |
| 20650 | 4 of 12 | A to D | A | A to D | A to B |
| 20653 | 4 of 12 | A to C | A | D to F | A to B |
| 20656 | 1 of 12 | B to C | A | A | B |
| 20659 | 2 of 12 | B to C | A to B | A to C | A |
| 20660 | 2 of 12 | B to C | A | A | A to B |
| 20667 | 4 of 12 | A to C | A | D to F | A |
| 20670 | 1 of 12 | C | A | F | A |
| 20674 | 3 of 12 | C to D | A | C | A |
| 20680 | 3 of 12 | C | A | D | A |
| 20684 | 3 of 12 | C | A | D | A |
| 20686 | 3 of 12 | C | A | D | A |
| 20687 | 3 of 12 | C | A | D | A |
| 20690 | 3 of 12 | C to D | A | C | A |
| 20692 | 4 of 12 | A to D | A | C to D | A |