| Similarity | Rank | |
|---|---|---|
| stormwater | 0.885 | 26586 |
| Wastewater | 0.878 | 52649 |
| Groundwater | 0.850 | 66053 |
| NPDES | 0.824 | 98845 |
| Watershed | 0.822 | 31449 |
| Reclamation | 0.812 | 54409 |
| Sediment | 0.812 | 95198 |
| Remediation | 0.803 | 67735 |
| Sewer | 0.798 | 44938 |
| Sewage | 0.795 | 66452 |
| Brownfield | 0.793 | 93506 |
| Landfill | 0.786 | 57827 |
| Sanitation | 0.773 | 43413 |
| Mitigation | 0.772 | 46446 |
| Drainage | 0.765 | 48557 |
| DEQ | 0.756 | 97500 |
| Waste | 0.753 | 13424 |
| Rainwater | 0.752 | 66981 |
| Pollution | 0.751 | 29306 |
| wastewater | 0.751 | 17337 |
| Catchment | 0.748 | 79864 |
| Superfund | 0.743 | 64056 |
| Aquifer | 0.736 | 88850 |
| Redevelopment | 0.735 | 43552 |
| Irrigation | 0.734 | 40766 |