| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| clean water act of 1972 pdf | 1.08 | 0.3 | 8045 | 99 |
| clean water act of 1972 summary | 0.82 | 0.9 | 4324 | 37 |
| clean water act of 1972 definition | 1.77 | 1 | 8574 | 36 |
| clean water act of 1972 full text | 0.06 | 0.2 | 2780 | 31 |
| clean water act 1972 full text pdf | 1.11 | 0.6 | 6427 | 98 |
| 1972 clean water act introduction pdf | 0.44 | 0.4 | 9524 | 81 |
| federal clean water act of 1972 | 1.48 | 0.4 | 4563 | 2 |
| summary of the clean water act | 1.03 | 0.4 | 7982 | 29 |
| clean water act cwa of 1972 | 1.68 | 0.7 | 3156 | 58 |
| the 1972 congressional clean water act | 0.98 | 1 | 1774 | 41 |
| the 1972 congressional clean water act gave | 0.31 | 0.3 | 2936 | 49 |
| clean water act of 1970 | 1.15 | 0.3 | 6042 | 51 |
| overview of the clean water act | 0.26 | 0.3 | 6518 | 60 |
| clean water act wiki | 1.67 | 0.7 | 5960 | 13 |
| summarize the clean water act | 0.81 | 0.3 | 3254 | 76 |
| what was the clean water act | 0.91 | 0.9 | 7204 | 43 |
