| 100% | ACIDRAIN | 8 | Pollution causes this bad downpour in water cycle |
| 30% | NIGHTMAREFUEL | 13 | Cause of bad dreams, in modern lingo |
| 30% | EARACHE | 7 | Getting water in this hearing organ may cause this |
| 30% | ICE | 3 | Water in the freezer turns into this |
| 29% | GREATSMOG | 9 | Bad pollution killed thousands in London in 1952 |
| 29% | BUOYANCY | 8 | This causes a boat to float on water |
| 29% | DIVE | 4 | This will hopefully land you in deep water |
| 29% | SEWAGE | 6 | "Raw" waste that can cause water pollution |
| 29% | CANTEENS | 8 | Scouts, campers carry water in these containers |
| 28% | FAT | 3 | Buildup of this in the body causes obesity |
| 28% | LAGOON | 6 | Reptilian creatures live in this body of water |
| 28% | GOINGFULLCIRCLE | 15 | Completing a cycle, like 84-Down in this puzzle? |
| 27% | DEHYDRATE | 9 | Being in the desert without water will do this |
| 27% | BLISTERS | 8 | You might get these on your feet in bad shoes |
| 27% | ROOTED | 6 | Plants can be anchored, or this, in soil or water |
| 26% | YELLOWSEA | 9 | Body of water found in this grid's upper-right corner |
| 26% | LAGOON | 6 | A body of water; Venice is located in one of these |
| 26% | SMOG | 4 | Air pollution that's bad in Beijing |
| 26% | SONES | 5 | Sounds in the area of 256 of these, will cause hearing damage |
| 26% | EVIL | 4 | This is bad. Real bad. And it's lurking in the longest puzzle answers, too! |
| 25% | TIRE | 4 | Bad thing to blow ... or what each of the circled letters in this puzzle represents |
| 25% | ULCER | 5 | Cause of a bad feeling in one’s gut? |
| 25% | PORCUPINE | 9 | This animal can float when in water |
| 25% | RAIN | 4 | It's summoned by Agwe, the god of water in "Once on This Island" |
| 24% | IGUAZU | 6 | The name of these falls, in Tupi, means big water |
| 24% | MUSHROOM | 8 | This fungus causes Mario to double in size |
| 24% | FALLINGRAIN | 11 | Downpour, or when parsed another way, what can be found in this puzzle's sets of circles |
| 24% | TASTE | 5 | "This leaves a bad ___ in my mouth" |
| 24% | EGG | 3 | Something that's gone bad if it floats when placed in a bowl of water |
| 24% | LETHE | 5 | River in Hades in Greek mythology that caused forgetfulness in those who drank its waters |