| Total requests for Jul 2011: 243 |
| Unique requests | Total requests | Query | Documents returned |
| 3 | 3 | scenario builder | 259 |
| 2 | 3 | WIP | 112 |
| 2 | 2 | watershed mapping | 569 |
| 2 | 2 | water quality | 1,060 |
| 2 | 2 | texas | 20 |
| 2 | 2 | Logic Model | 22 |
| 1 | 5 | laundromats | 39,415 |
| 1 | 4 | 12-39-2010 State allocations | 0 |
| 1 | 3 | no discharge zones | 38,127 |
| 1 | 3 | nj | 37,708 |
| 1 | 3 | chlorophyll | 242 |
| 1 | 3 | best management practices | 1,445 |
| 1 | 3 | Chesapeake Bay | 680 |
| 1 | 2 | waters of the united states | 58,579 |
| 1 | 2 | tmdl implementation | 61,595 |
| 1 | 2 | tmdl implementation guidance | 11,197 |
| 1 | 2 | south dakota impaired waters integrated report | 2 |
| 1 | 2 | segment shed map | 40 |
| 1 | 2 | publication | 275 |
| 1 | 2 | hebron md | 0 |
| 1 | 2 | great lakes national program office | 707 |
| 1 | 2 | glossary | 31 |
| 1 | 2 | for state agencies | 1,050 |
| 1 | 2 | drinking water in charlottesville | 404 |
| 1 | 2 | costs benefits of stormwater BMPs | 171 |
| 1 | 2 | beach6 | 0 |
| 1 | 2 | anthracene | 55,504 |
| 1 | 2 | TMDL Flow Reduction | 52,502 |
| 1 | 2 | SPCC | 7 |
| 1 | 2 | Region 3 RBCs | 0 |
| 1 | 2 | NPDES locations | 61,515 |
| 1 | 2 | Dartmouth Woods | 51,499 |
| 1 | 2 | BMP removal efficiency | 44 |
| 1 | 2 | 25832 | 0 |
| 1 | 2 | 08096 | 0 |
| 1 | 1 | wildlife restoration in the chesapeake bay | 163 |
| 1 | 1 | webinar | 7 |
| 1 | 1 | waters of the us | 1,650 |
| 1 | 1 | water testing | 529 |
| 1 | 1 | water quality testing | 508 |
| 1 | 1 | water pollution by cigarette | 31 |
| 1 | 1 | wAter park | 496 |
| 1 | 1 | virginia | 1,600 |
| 1 | 1 | tower road | 14 |
| 1 | 1 | test | 531 |
| 1 | 1 | tas | 3 |
| 1 | 1 | stormwater management | 760 |
| 1 | 1 | state contacts | 1,040 |
| 1 | 1 | regional screening levels | 211 |
| 1 | 1 | regional administrator | 376 |
| 1 | 1 | recycling | 875 |
| 1 | 1 | radionuclide | 5 |
| 1 | 1 | r. paul smith | 9 |
| 1 | 1 | pollutant | 1,050 |
| 1 | 1 | picture of wateshed | 1 |
| 1 | 1 | picture of watershed | 367 |
| 1 | 1 | phase I pilot projects | 81 |
| 1 | 1 | phase 5.3 | 170 |
| 1 | 1 | pamhlets | 157 |
| 1 | 1 | optimization | 80 |
| 1 | 1 | nutrient credit exchange program | 97 |
| 1 | 1 | nutrient credit exchange program board | 111,000 |
| 1 | 1 | npdes permit renewal fee | 84 |
| 1 | 1 | npdes permit fees | 534 |
| 1 | 1 | npdes data download | 33 |
| 1 | 1 | ning zhou | 2 |
| 1 | 1 | nick dipasquale | 0 |
| 1 | 1 | network review | 3,740 |
| 1 | 1 | military | 222 |
| 1 | 1 | milestones | 436 |
| 1 | 1 | meetings | 856 |
| 1 | 1 | meaning of land segments | 882 |
| 1 | 1 | md. water parks | 262 |
| 1 | 1 | mass limits in npdes permits | 596 |
| 1 | 1 | marcellus shale | 9 |
| 1 | 1 | manor | 85 |
| 1 | 1 | maintenance | 1,040 |
| 1 | 1 | low rise residential building | 127 |
| 1 | 1 | list of permittees | 402 |
| 1 | 1 | level of effort | 822 |
| 1 | 1 | lead | 552 |
| 1 | 1 | lead in well drinking water | 220 |
| 1 | 1 | lead check test kit documentation form | 1,460 |
| 1 | 1 | lbeach6 | 0 |
| 1 | 1 | lawn fertilizer bill | 46 |
| 1 | 1 | land pollution by smoking | 10 |
| 1 | 1 | land pollution by cigarette | 31 |
| 1 | 1 | lake2k | 2 |
| 1 | 1 | july 2011 clean water act legislation | 7 |
| 1 | 1 | james river chlorophyll | 73 |
| 1 | 1 | impervious surface | 259 |
| 1 | 1 | illinois EPA. | 42 |
| 1 | 1 | hotels | 22 |
| 1 | 1 | gunpowder falls state park | 5 |
| 1 | 1 | gloucester va | 40 |
| 1 | 1 | glass fibre reinforced gypsum | 21 |
| 1 | 1 | gibson island | 3 |
| 1 | 1 | fly rod only | 1 |
| 1 | 1 | fluoride | 8 |
| 1 | 1 | fee | 734 |
| 1 | 1 | engine coolant | 9 |
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