# # National Water Information System # 2024/10/03 # # # Date Retrieved: USGS Water Data for the Nation Help System # state_cd nat_aqfr_cd nat_aqfr_nm 2s 10s 60s 00 N9999OTHER Other aquifers 01 N100ALLUVL Alluvial aquifers 01 N300PNSLVN Pennsylvanian aquifers 01 N400PDMBRX Piedmont and Blue Ridge crystalline-rock aquifers 01 N500MSSPPI Mississippian aquifers 01 N500VLYRDG Valley and Ridge aquifers 01 N9999OTHER Other aquifers 01 S100CSLLWD Coastal lowlands aquifer system 01 S100MSEMBM Mississippi embayment aquifer system 01 S100SECSLP Southeastern Coastal Plain aquifer system 01 S100SURFCL Surficial aquifer system 01 S400FLORDN Floridan aquifer system 02 N100AKUNCD Alaska unconsolidated-deposit aquifers 02 N9999OTHER Other aquifers 04 N100BSNRGB Basin and Range basin-fill aquifers 04 N300COPLTS Colorado Plateaus aquifers 04 N400BSNRGC Basin and Range carbonate-rock aquifers 04 N9999OTHER Other aquifers 05 N100ALLUVL Alluvial aquifers 05 N100MSRVVL Mississippi River Valley alluvial aquifer 05 N9999OTHER Other aquifers 05 S100MSEMBM Mississippi embayment aquifer system 05 S400OZRKPL Ozark Plateaus aquifer system 05 S500EDRTRN Edwards-Trinity aquifer system 06 N100BSNRGB Basin and Range basin-fill aquifers 06 N100CACSTL California Coastal Basin aquifers 06 N100PCFNWB Pacific Northwest basin-fill aquifers 06 N100PCFNWV Pacific Northwest volcanic-rock aquifers 06 N400BSNRGC Basin and Range carbonate-rock aquifers 06 N9999OTHER Other aquifers 06 S100CNRLVL Central Valley aquifer system 08 N100ALLUVL Alluvial aquifers 08 N100HGHPLN High Plains aquifer 08 N300COPLTS Colorado Plateaus aquifers 08 N9999OTHER Other aquifers 08 S100RIOGRD Rio Grande aquifer system 08 S300DNVRBS Denver Basin aquifer system 09 N100GLCIAL Sand and gravel aquifers (glaciated regions) 09 N300ERLMZC Early Mesozoic basin aquifers 09 N400NYNECB New York and New England carbonate-rock aquifers 09 N600NECRSN New York and New England crystalline-rock aquifers 09 N9999OTHER Other aquifers 10 N100ALLUVL Alluvial aquifers 10 N400PDMBRX Piedmont and Blue Ridge crystalline-rock aquifers 10 N9999OTHER Other aquifers 10 S100NATLCP Northern Atlantic Coastal Plain aquifer system 11 N400PDMBRX Piedmont and Blue Ridge crystalline-rock aquifers 11 N9999OTHER Other aquifers 11 S100NATLCP Northern Atlantic Coastal Plain aquifer system 12 N400BISCYN Biscayne aquifer 12 N9999OTHER Other aquifers 12 S100CSLLWD Coastal lowlands aquifer system 12 S100SURFCL Surficial aquifer system 12 S400FLORDN Floridan aquifer system 12 S500INTRMD Intermediate aquifer system 13 N300PNSLVN Pennsylvanian aquifers 13 N400PDMBRX Piedmont and Blue Ridge crystalline-rock aquifers 13 N500VLYRDG Valley and Ridge aquifers 13 N9999OTHER Other aquifers 13 S100SECSLP Southeastern Coastal Plain aquifer system 13 S100SURFCL Surficial aquifer system 13 S400FLORDN Floridan aquifer system 15 N600HIVLCC Hawaii volcanic-rock aquifers 15 N9999OTHER Other aquifers 16 N100BSNRGB Basin and Range basin-fill aquifers 16 N100CMBPLB Columbia Plateau basin-fill aquifers 16 N100PCFNWB Pacific Northwest basin-fill aquifers 16 N100PCFNWV Pacific Northwest volcanic-rock aquifers 16 N400BSNRGC Basin and Range carbonate-rock aquifers 16 N600CMBPLV Columbia Plateau basaltic-rock aquifers 16 N600SKRVPB Snake River Plain basin-fill aquifers 16 N600SKRVPV Snake River Plain basaltic-rock aquifers 16 N9999OTHER Other aquifers 16 S100NRMTIB Northern Rocky Mountains Intermontane Basins aquifer systems 17 N100GLCIAL Sand and gravel aquifers (glaciated regions) 17 N100MSRVVL Mississippi River Valley alluvial aquifer 17 N300PNSLVN Pennsylvanian aquifers 17 N400SLRDVN Silurian-Devonian aquifers 17 N500MSSPPI Mississippian aquifers 17 N9999OTHER Other aquifers 17 S100MSEMBM Mississippi embayment aquifer system 17 S100SECSLP Southeastern Coastal Plain aquifer system 17 S300CAMORD Cambrian-Ordovician aquifer system 17 S400OZRKPL Ozark Plateaus aquifer system 18 N100ALLUVL Alluvial aquifers 18 N100GLCIAL Sand and gravel aquifers (glaciated regions) 18 N300PNSLVN Pennsylvanian aquifers 18 N400SLRDVN Silurian-Devonian aquifers 18 N500MSSPPI Mississippian aquifers 18 N9999OTHER Other aquifers 19 N100GLCIAL Sand and gravel aquifers (glaciated regions) 19 N300LCRTCS Lower Cretaceous aquifers 19 N400SLRDVN Silurian-Devonian aquifers 19 N400UPCRBN Upper carbonate aquifer 19 N500MSSPPI Mississippian aquifers 19 N9999OTHER Other aquifers 19 S300CAMORD Cambrian-Ordovician aquifer system 20 N100ALLUVL Alluvial aquifers 20 N100GLCIAL Sand and gravel aquifers (glaciated regions) 20 N100HGHPLN High Plains aquifer 20 N300LCRTCS Lower Cretaceous aquifers 20 N9999OTHER Other aquifers 20 S400OZRKPL Ozark Plateaus aquifer system 21 N100ALLUVL Alluvial aquifers 21 N100GLCIAL Sand and gravel aquifers (glaciated regions) 21 N100MSRVVL Mississippi River Valley alluvial aquifer 21 N300PNSLVN Pennsylvanian aquifers 21 N400ORDVCN Ordovician aquifers 21 N400SLRDVN Silurian-Devonian aquifers 21 N500MSSPPI Mississippian aquifers 21 N9999OTHER Other aquifers 21 S100MSEMBM Mississippi embayment aquifer system 22 N100ALLUVL Alluvial aquifers 22 N100MSRVVL Mississippi River Valley alluvial aquifer 22 N9999OTHER Other aquifers 22 S100CSLLWD Coastal lowlands aquifer system 22 S100MSEMBM Mississippi embayment aquifer system 22 S100TXCLUP Texas coastal uplands aquifer system 23 N100GLCIAL Sand and gravel aquifers (glaciated regions) 23 N400NYNECB New York and New England carbonate-rock aquifers 23 N600NECRSN New York and New England crystalline-rock aquifers 23 N9999OTHER Other aquifers 24 N100ALLUVL Alluvial aquifers 24 N300ERLMZC Early Mesozoic basin aquifers 24 N300PNSLVN Pennsylvanian aquifers 24 N400PDMBRC Piedmont and Blue Ridge carbonate-rock aquifers 24 N400PDMBRX Piedmont and Blue Ridge crystalline-rock aquifers 24 N500MSSPPI Mississippian aquifers 24 N500VLYRDG Valley and Ridge aquifers 24 N9999OTHER Other aquifers 24 S100NATLCP Northern Atlantic Coastal Plain aquifer system 25 N100GLCIAL Sand and gravel aquifers (glaciated regions) 25 N300ERLMZC Early Mesozoic basin aquifers 25 N400NYNECB New York and New England carbonate-rock aquifers 25 N600NECRSN New York and New England crystalline-rock aquifers 25 N9999OTHER Other aquifers 25 S100NATLCP Northern Atlantic Coastal Plain aquifer system 26 N100GLCIAL Sand and gravel aquifers (glaciated regions) 26 N300JCBSVL Jacobsville aquifer 26 N300MRSHLL Marshall aquifer 26 N300PNSLVN Pennsylvanian aquifers 26 N400SLRDVN Silurian-Devonian aquifers 26 N9999OTHER Other aquifers 26 S300CAMORD Cambrian-Ordovician aquifer system 27 N100GLCIAL Sand and gravel aquifers (glaciated regions) 27 N300LCRTCS Lower Cretaceous aquifers 27 N400UPCRBN Upper carbonate aquifer 27 N500PLOZOC Paleozoic aquifers 27 N9999OTHER Other aquifers 27 S300CAMORD Cambrian-Ordovician aquifer system 28 N100MSRVVL Mississippi River Valley alluvial aquifer 28 N9999OTHER Other aquifers 28 S100CSLLWD Coastal lowlands aquifer system 28 S100MSEMBM Mississippi embayment aquifer system 28 S100SECSLP Southeastern Coastal Plain aquifer system 29 N100ALLUVL Alluvial aquifers 29 N100GLCIAL Sand and gravel aquifers (glaciated regions) 29 N100MSRVVL Mississippi River Valley alluvial aquifer 29 N400SLRDVN Silurian-Devonian aquifers 29 N500MSSPPI Mississippian aquifers 29 N9999OTHER Other aquifers 29 S100MSEMBM Mississippi embayment aquifer system 29 S300CAMORD Cambrian-Ordovician aquifer system 29 S400OZRKPL Ozark Plateaus aquifer system 30 N100ALLUVL Alluvial aquifers 30 N100GLCIAL Sand and gravel aquifers (glaciated regions) 30 N100PCFNWV Pacific Northwest volcanic-rock aquifers 30 N300LCRTCS Lower Cretaceous aquifers 30 N300LTRTRY Lower Tertiary aquifers 30 N300UPCTCS Upper Cretaceous aquifers 30 N500PLOZOC Paleozoic aquifers 30 N9999OTHER Other aquifers 30 S100NRMTIB Northern Rocky Mountains Intermontane Basins aquifer systems 31 N100ALLUVL Alluvial aquifers 31 N100GLCIAL Sand and gravel aquifers (glaciated regions) 31 N100HGHPLN High Plains aquifer 31 N300LCRTCS Lower Cretaceous aquifers 31 N9999OTHER Other aquifers 32 N100BSNRGB Basin and Range basin-fill aquifers 32 N100PCFNWB Pacific Northwest basin-fill aquifers 32 N100PCFNWV Pacific Northwest volcanic-rock aquifers 32 N400BSNRGC Basin and Range carbonate-rock aquifers 32 N600SRNVDV Southern Nevada volcanic-rock aquifers 32 N9999OTHER Other aquifers 33 N100GLCIAL Sand and gravel aquifers (glaciated regions) 33 N600NECRSN New York and New England crystalline-rock aquifers 33 N9999OTHER Other aquifers 34 N100ALLUVL Alluvial aquifers 34 N100GLCIAL Sand and gravel aquifers (glaciated regions) 34 N300ERLMZC Early Mesozoic basin aquifers 34 N400NYNECB New York and New England carbonate-rock aquifers 34 N400PDMBRC Piedmont and Blue Ridge carbonate-rock aquifers 34 N400PDMBRX Piedmont and Blue Ridge crystalline-rock aquifers 34 N500VLYRDG Valley and Ridge aquifers 34 N9999OTHER Other aquifers 34 S100NATLCP Northern Atlantic Coastal Plain aquifer system 35 N100BSNRGB Basin and Range basin-fill aquifers 35 N100HGHPLN High Plains aquifer 35 N100PCSRVR Pecos River Basin alluvial aquifer 35 N300COPLTS Colorado Plateaus aquifers 35 N9999OTHER Other aquifers 35 S100RIOGRD Rio Grande aquifer system 35 S400RSWLBS Roswell Basin aquifer system 36 N100ALLUVL Alluvial aquifers 36 N100GLCIAL Sand and gravel aquifers (glaciated regions) 36 N300ERLMZC Early Mesozoic basin aquifers 36 N300NYSDSN New York sandstone aquifers 36 N400NYNECB New York and New England carbonate-rock aquifers 36 N500VLYRDG Valley and Ridge aquifers 36 N600NECRSN New York and New England crystalline-rock aquifers 36 N9999OTHER Other aquifers 36 S100NATLCP Northern Atlantic Coastal Plain aquifer system 37 N300ERLMZC Early Mesozoic basin aquifers 37 N400CSLHYN Castle Hayne aquifer 37 N400PDMBRC Piedmont and Blue Ridge carbonate-rock aquifers 37 N400PDMBRX Piedmont and Blue Ridge crystalline-rock aquifers 37 N500VLYRDG Valley and Ridge aquifers 37 N9999OTHER Other aquifers 37 S100NATLCP Northern Atlantic Coastal Plain aquifer system 37 S100SURFCL Surficial aquifer system 38 N100ALLUVL Alluvial aquifers 38 N100GLCIAL Sand and gravel aquifers (glaciated regions) 38 N300LCRTCS Lower Cretaceous aquifers 38 N300LTRTRY Lower Tertiary aquifers 38 N300UPCTCS Upper Cretaceous aquifers 38 N500PLOZOC Paleozoic aquifers 38 N9999OTHER Other aquifers 39 N100ALLUVL Alluvial aquifers 39 N100GLCIAL Sand and gravel aquifers (glaciated regions) 39 N300PNSLVN Pennsylvanian aquifers 39 N400SLRDVN Silurian-Devonian aquifers 39 N500MSSPPI Mississippian aquifers 39 N9999OTHER Other aquifers 40 N100ALLUVL Alluvial aquifers 40 N100HGHPLN High Plains aquifer 40 N300ADAVMS Ada-Vamoosa aquifer 40 N300CNRLOK Central Oklahoma aquifer 40 N300RSHSPG Rush Springs aquifer 40 N400ABKSMP Arbuckle-Simpson aquifer 40 N400BLAINE Blaine aquifer 40 N9999OTHER Other aquifers 40 S400OZRKPL Ozark Plateaus aquifer system 40 S500EDRTRN Edwards-Trinity aquifer system 41 N100BSNRGB Basin and Range basin-fill aquifers 41 N100CMBPLB Columbia Plateau basin-fill aquifers 41 N100PCFNWB Pacific Northwest basin-fill aquifers 41 N100PCFNWV Pacific Northwest volcanic-rock aquifers 41 N100WLMLWD Willamette Lowland basin-fill aquifers 41 N600CMBPLV Columbia Plateau basaltic-rock aquifers 41 N600SKRVPB Snake River Plain basin-fill aquifers 41 N600SKRVPV Snake River Plain basaltic-rock aquifers 41 N9999OTHER Other aquifers 42 N100ALLUVL Alluvial aquifers 42 N100GLCIAL Sand and gravel aquifers (glaciated regions) 42 N300ERLMZC Early Mesozoic basin aquifers 42 N300PNSLVN Pennsylvanian aquifers 42 N400NYNECB New York and New England carbonate-rock aquifers 42 N400PDMBRC Piedmont and Blue Ridge carbonate-rock aquifers 42 N400PDMBRX Piedmont and Blue Ridge crystalline-rock aquifers 42 N500MSSPPI Mississippian aquifers 42 N500VLYRDG Valley and Ridge aquifers 42 N9999OTHER Other aquifers 42 S100NATLCP Northern Atlantic Coastal Plain aquifer system 44 N100GLCIAL Sand and gravel aquifers (glaciated regions) 44 N600NECRSN New York and New England crystalline-rock aquifers 44 N9999OTHER Other aquifers 44 S100NATLCP Northern Atlantic Coastal Plain aquifer system 45 N400PDMBRX Piedmont and Blue Ridge crystalline-rock aquifers 45 N9999OTHER Other aquifers 45 S100SECSLP Southeastern Coastal Plain aquifer system 45 S100SURFCL Surficial aquifer system 45 S400FLORDN Floridan aquifer system 46 N100ALLUVL Alluvial aquifers 46 N100GLCIAL Sand and gravel aquifers (glaciated regions) 46 N100HGHPLN High Plains aquifer 46 N300LCRTCS Lower Cretaceous aquifers 46 N300LTRTRY Lower Tertiary aquifers 46 N300UPCTCS Upper Cretaceous aquifers 46 N500PLOZOC Paleozoic aquifers 46 N9999OTHER Other aquifers 47 N100ALLUVL Alluvial aquifers 47 N100MSRVVL Mississippi River Valley alluvial aquifer 47 N300PNSLVN Pennsylvanian aquifers 47 N400ORDVCN Ordovician aquifers 47 N400PDMBRX Piedmont and Blue Ridge crystalline-rock aquifers 47 N400SLRDVN Silurian-Devonian aquifers 47 N500MSSPPI Mississippian aquifers 47 N500VLYRDG Valley and Ridge aquifers 47 N9999OTHER Other aquifers 47 S100MSEMBM Mississippi embayment aquifer system 47 S100SECSLP Southeastern Coastal Plain aquifer system 48 N100ALLUVL Alluvial aquifers 48 N100HGHPLN High Plains aquifer 48 N100PCSRVR Pecos River Basin alluvial aquifer 48 N100SYMOUR Seymour aquifer 48 N400BLAINE Blaine aquifer 48 N9999OTHER Other aquifers 48 S100CSLLWD Coastal lowlands aquifer system 48 S100RIOGRD Rio Grande aquifer system 48 S100TXCLUP Texas coastal uplands aquifer system 48 S500EDRTRN Edwards-Trinity aquifer system 49 N100ALLUVL Alluvial aquifers 49 N100BSNRGB Basin and Range basin-fill aquifers 49 N100PCFNWB Pacific Northwest basin-fill aquifers 49 N100PCFNWV Pacific Northwest volcanic-rock aquifers 49 N300COPLTS Colorado Plateaus aquifers 49 N400BSNRGC Basin and Range carbonate-rock aquifers 49 N9999OTHER Other aquifers 50 N100GLCIAL Sand and gravel aquifers (glaciated regions) 50 N400NYNECB New York and New England carbonate-rock aquifers 50 N600NECRSN New York and New England crystalline-rock aquifers 50 N9999OTHER Other aquifers 51 N100ALLUVL Alluvial aquifers 51 N300ERLMZC Early Mesozoic basin aquifers 51 N300PNSLVN Pennsylvanian aquifers 51 N400PDMBRX Piedmont and Blue Ridge crystalline-rock aquifers 51 N500MSSPPI Mississippian aquifers 51 N500VLYRDG Valley and Ridge aquifers 51 N9999OTHER Other aquifers 51 S100NATLCP Northern Atlantic Coastal Plain aquifer system 53 N100CMBPLB Columbia Plateau basin-fill aquifers 53 N100PCFNWB Pacific Northwest basin-fill aquifers 53 N100PCFNWV Pacific Northwest volcanic-rock aquifers 53 N100WLMLWD Willamette Lowland basin-fill aquifers 53 N600CMBPLV Columbia Plateau basaltic-rock aquifers 53 N9999OTHER Other aquifers 53 S100NRMTIB Northern Rocky Mountains Intermontane Basins aquifer systems 53 S100PGTSND Puget Sound aquifer system 54 N100ALLUVL Alluvial aquifers 54 N300PNSLVN Pennsylvanian aquifers 54 N400PDMBRX Piedmont and Blue Ridge crystalline-rock aquifers 54 N500MSSPPI Mississippian aquifers 54 N500VLYRDG Valley and Ridge aquifers 54 N9999OTHER Other aquifers 55 N100GLCIAL Sand and gravel aquifers (glaciated regions) 55 N300JCBSVL Jacobsville aquifer 55 N400SLRDVN Silurian-Devonian aquifers 55 N9999OTHER Other aquifers 55 S300CAMORD Cambrian-Ordovician aquifer system 56 N100ALLUVL Alluvial aquifers 56 N100HGHPLN High Plains aquifer 56 N100PCFNWB Pacific Northwest basin-fill aquifers 56 N100PCFNWV Pacific Northwest volcanic-rock aquifers 56 N300COPLTS Colorado Plateaus aquifers 56 N300LCRTCS Lower Cretaceous aquifers 56 N300LTRTRY Lower Tertiary aquifers 56 N300UPCTCS Upper Cretaceous aquifers 56 N300WYTRTR Wyoming Tertiary aquifers 56 N500PLOZOC Paleozoic aquifers 56 N9999OTHER Other aquifers 56 S100NRMTIB Northern Rocky Mountains Intermontane Basins aquifer systems 60 N9999OTHER Other aquifers 62 N9999OTHER Other aquifers 66 N9999OTHER Other aquifers 67 N9999OTHER Other aquifers 69 N9999OTHER Other aquifers 71 N9999OTHER Other aquifers 72 N300STHCST South Coast aquifer (Puerto Rico) 72 N400NCSTLM North Coast Limestone aquifer system (Puerto Rico) 72 N9999OTHER Other aquifers 73 N9999OTHER Other aquifers 74 N9999OTHER Other aquifers 75 N9999OTHER Other aquifers 76 N9999OTHER Other aquifers 77 N9999OTHER Other aquifers 78 N400KNGSHL Kingshill aquifer (Virgin Islands) 78 N9999OTHER Other aquifers 79 N9999OTHER Other aquifers