| Similarity | Rank | |
|---|---|---|
| Groundwater | 0.881 | 66053 |
| sediment | 0.834 | 19370 |
| Erosion | 0.814 | 67301 |
| Stormwater | 0.812 | 62618 |
| sediments | 0.801 | 31409 |
| Soils | 0.791 | 74063 |
| Soil | 0.789 | 21080 |
| Wastewater | 0.788 | 52649 |
| groundwater | 0.778 | 17131 |
| silt | 0.755 | 39076 |
| Sewage | 0.753 | 66452 |
| Pollution | 0.752 | 29306 |
| Remediation | 0.752 | 67735 |
| Debris | 0.751 | 62592 |
| Aquifer | 0.748 | 88850 |
| Microbial | 0.743 | 79806 |
| turbidity | 0.737 | 71435 |
| Contaminated | 0.733 | 88403 |
| Sludge | 0.730 | 98368 |
| Filtration | 0.730 | 63090 |
| Precipitation | 0.727 | 92731 |
| Nitrogen | 0.726 | 45976 |
| Reclamation | 0.723 | 54409 |
| Drainage | 0.722 | 48557 |
| effluent | 0.720 | 38366 |