| water data library | 1.19 | 0.2 | 6596 | 18 | 26 |
| water data | 1.55 | 1 | 1861 | 10 | 91 |
| water data for texas | 0.68 | 0.5 | 9863 | 20 | 18 |
| water data for the nation | 0.28 | 1 | 742 | 25 | 28 |
| water data usgs | 1.1 | 1 | 8363 | 15 | 62 |
| water data lake powell | 0.92 | 0.3 | 4963 | 22 | 1 |
| water data online | 0.3 | 0.4 | 7375 | 17 | 44 |
| water data lake mead | 0.64 | 0.2 | 4625 | 20 | 43 |
| water data interactive | 0.63 | 0.6 | 1768 | 22 | 62 |
| water dataset | 1.69 | 0.6 | 3858 | 13 | 24 |
| waterdata.usgs.gov | 0.86 | 0.1 | 2907 | 18 | 60 |
| water data sa | 1.13 | 0.6 | 8317 | 13 | 95 |
| water data services | 1.84 | 0.6 | 518 | 19 | 24 |
| water data daily india | 1.25 | 0.5 | 2230 | 22 | 35 |
| water data logger | 0.03 | 0.6 | 2731 | 17 | 72 |
| water data poplar bluff black river | 1.52 | 0.9 | 742 | 35 | 34 |
| water data for texas elephant butte | 1.62 | 0.8 | 5783 | 35 | 2 |
| water data library dwr | 1.36 | 0.9 | 8871 | 22 | 63 |
| water data management | 1.41 | 0.2 | 5471 | 21 | 36 |
| water data for texas lake buchanan | 1.03 | 0.1 | 5026 | 34 | 60 |
| lake powell water database | 0.43 | 0.9 | 5036 | 26 | 29 |
| lake mead water database | 0.07 | 0.1 | 4957 | 24 | 9 |
| ewg tap water database | 1.97 | 1 | 8896 | 22 | 84 |
| surface water data viewer | 0.33 | 0.3 | 5153 | 25 | 22 |
| usgs current water data for pennsylvania | 0.69 | 0.3 | 9656 | 40 | 66 |
| water data library ca dwr | 1.49 | 1 | 4674 | 25 | 54 |
| water data library ca | 0.78 | 0.2 | 8301 | 21 | 71 |
| water data library california | 0.77 | 0.3 | 2950 | 29 | 8 |
| california dwr water data library | 1.23 | 0.6 | 9125 | 33 | 73 |
