| NHDPlus/snapshot_2022/nhdplus_epasnapshot2022_gpkg.zip | 72.78 GB |
| NHDPlus/snapshot_2022/nhdplus_epasnapshot2022_fgdb.zip | 39.45 GB |
| WATERS/ATTAINS/ATTAINS_Assessment_20250117_gpkg.zip | 14.43 GB |
| NHDPlus/national.7z | 8.78 GB |
| WATERS/ATTAINS/ATTAINS_Assessment_20250117_fgdb.zip | 5.88 GB |
| WATERS/ATTAINS/ATTAINS_Assessment_20250117_ppkx.zip | 3.85 GB |
| WATERS/ATTAINS/legacy/pre-2015/assesed.7z | 1.67 GB |
| FRS/FRS_Interests_Download.zip | 1.58 GB |
| WATERS/water_quality_archive/rad_wqs_20100318_gbd.zip | 817.02 MB |
| WATERS/water_quality_archive/rad_wqs_20100318_shp.zip | 817.02 MB |
| WATERS/ATTAINS/legacy/pre-2015/listed.7z | 739.35 MB |
| WATERS/ATTAINS/legacy/2002/boundaries.7z | 581.04 MB |
| WATERS/ATTAINS/legacy/pre-2015/TMDL.7z | 296.44 MB |
| WATERS/ATTAINS/legacy/2002/rad_impw02_20140207_shp.zip | 128.97 MB |
| .pad/4 | 127.35 MB |
| .pad/1 | 102.39 MB |
| .pad/3 | 93.9 MB |
| .pad/12 | 87.56 MB |
| NHDPlus/global.7z | 87.26 MB |
| WATERS/ATTAINS/legacy/2002/rad_impw02_20140207_fgdb.zip | 84.12 MB |
| .pad/6 | 80.51 MB |
| .pad/8 | 78.98 MB |
| .pad/9 | 78.98 MB |
| .pad/2 | 66.77 MB |
| .pad/11 | 58.96 MB |
| .pad/7 | 48.52 MB |
| WQP/TADA/EPATADA-develop.zip | 35.15 MB |
| .pad/10 | 28.65 MB |
| NPS/forestry.7z | 27.04 MB |
| .pad/5 | 21.57 MB |
| NPS/marinas_and_boating.7z | 21.34 MB |
| NPS/chesapeake_bay.7z | 17.51 MB |
| FRS/EPAXMLDownload.zip | 16.34 MB |
| WATERS/BEACH.7z | 15.38 MB |
| WQP/STORET/biologicalmetric.zip | 13.87 MB |
| NPS/urban.7z | 9.22 MB |
| community_financing/FACT/factv-3-1.zip | 9.2 MB |
| WQP/TADA/TADAShiny-develop.zip | 8.28 MB |
| NPS/hydromodification.7z | 8.19 MB |
| NPS/wetlands_and_riparian.7z | 7.12 MB |
| NPS/agriculture/chap4f.pdf | 6.48 MB |
| FRS/regions.7z | 5.41 MB |
| FRS/featured_environmental_interests.7z | 5.38 MB |
| FRS/national_frs.kmz | 5.38 MB |
| BEACON-2.0.7z | 5.11 MB |
| NLFA/fish_tissues/Michigan.7z | 3.14 MB |
| NLFA/fish_tissues/New-York.7z | 2.9 MB |
| FRS/acres_frs.kmz | 2.79 MB |
| NLFA/fish_tissues/Georgia.7z | 2.53 MB |
| WSIO/WSIO_Tool.xlsm | 2.44 MB |