| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| clean water act of 1972 full text | 0.15 | 0.8 | 9205 | 41 |
| clean water act 1972 full text pdf | 0.63 | 0.1 | 6292 | 83 |
| clean water act of 1972 | 0.84 | 0.6 | 7993 | 97 |
| text of the clean water act | 1.2 | 0.3 | 8885 | 49 |
| clean water act 1972 pdf | 1.35 | 0.2 | 2536 | 34 |
| history of the clean water act 1972 | 0.64 | 0.6 | 2578 | 52 |
| clean water act full text | 0.72 | 0.4 | 3272 | 1 |
| federal clean water act of 1972 | 0.64 | 0.8 | 9778 | 10 |
| clean water act full pdf | 1.86 | 0.1 | 6647 | 38 |
| the 1972 congressional clean water act | 0.11 | 0.1 | 3601 | 47 |
| overview of the clean water act | 1.18 | 1 | 5364 | 33 |
| the 1972 congressional clean water act gave | 1.13 | 0.6 | 6828 | 28 |
| clean water act 1972 date | 0.21 | 0.1 | 5299 | 48 |
| clean water act wiki | 0.64 | 0.7 | 3192 | 53 |
| clean water act pdf | 0.43 | 0.9 | 3241 | 91 |
| wikipedia clean water act | 0.43 | 0.8 | 2158 | 70 |
| the clean water act | 0.66 | 0.8 | 9884 | 16 |
