USGS National Aquifers
Map
Limit:
Items in this collection: 59
Items
| uri | fid | link | aq_code | rock_name | rock_type | sameas | valid_states | gis_metadata | gis_data | gis_metadata2 | gis_data2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| https://geoconnex.us/ref/nat_aq/N100BSNRGB | 1 | http://water.usgs.gov/ogw/aquife... | 101 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | Arizona, California, Idaho,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N100CACSTL | 2 | http://water.usgs.gov/ogw/aquife... | 103 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | California | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N100CMBPLB | 3 | http://water.usgs.gov/ogw/aquife... | 116 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | Idaho, Oregon, Washington | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N100HGHPLN | 4 | http://water.usgs.gov/ogw/aquife... | 107 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | Colorado, Kansas, Nebraska, New... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N100MSRVVL | 5 | http://water.usgs.gov/ogw/aquife... | 109 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | Arkansas, Illinois, Kentucky,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N100PCFNWB | 6 | http://water.usgs.gov/ogw/aquife... | 104 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | California, Idaho, Nevada,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N100PCFNWV | 7 | https://water.usgs.gov/ogw/aquif... | 610 | Igneous and metamorphic-rock aquifers | 600 | https://geoconnex.us/ref/princip... | California, Idaho, Montana,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N100PCSRVR | 8 | http://water.usgs.gov/ogw/aquife... | 108 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | New Mexico, Texas | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N100SYMOUR | 9 | http://water.usgs.gov/ogw/aquife... | 110 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | Texas | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N100WLMLWD | 10 | http://water.usgs.gov/ogw/aquife... | 115 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | Oregon, Washington | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N300ADAVMS | 11 | http://water.usgs.gov/ogw/aquife... | 307 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | Oklahoma | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N300CNRLOK | 12 | http://water.usgs.gov/ogw/aquife... | 306 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | Oklahoma | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N300COPLTS | 13 | http://water.usgs.gov/ogw/aquife... | 301 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | Arizona, Colorado, New Mexico,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N300ERLMZC | 14 | http://water.usgs.gov/ogw/aquife... | 308 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | Connecticut, Maryland,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N300JCBSVL | 15 | http://water.usgs.gov/ogw/aquife... | 313 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | Michigan, Wisconsin | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N300LCRTCS | 16 | http://water.usgs.gov/ogw/aquife... | 304 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | Iowa, Kansas, Minnesota,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N300LTRTRY | 17 | http://water.usgs.gov/ogw/aquife... | 314 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | Montana, North Dakota, South... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N300MRSHLL | 18 | http://water.usgs.gov/ogw/aquife... | 311 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | Michigan | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N300NYSDSN | 19 | http://water.usgs.gov/ogw/aquife... | 309 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | New York | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N300PNSLVN | 20 | http://water.usgs.gov/ogw/aquife... | 310 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | Alabama, Georgia, Illinois,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N300RSHSPG | 21 | http://water.usgs.gov/ogw/aquife... | 305 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | Oklahoma | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N300UPCTCS | 22 | http://water.usgs.gov/ogw/aquife... | 315 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | Montana, North Dakota, South... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N400ABKSMP | 23 | http://water.usgs.gov/ogw/aquife... | 407 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | Oklahoma | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N400BISCYN | 24 | http://water.usgs.gov/ogw/aquife... | 414 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | Florida | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N400BLAINE | 25 | http://water.usgs.gov/ogw/aquife... | 406 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | Oklahoma, Texas | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N400BSNRGC | 26 | http://water.usgs.gov/ogw/aquife... | 401 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | Arizona, California, Idaho, Nevada, Utah | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N400CSLHYN | 27 | http://water.usgs.gov/ogw/aquife... | 418 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | North Carolina | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N400KNGSHL | 28 | http://water.usgs.gov/ogw/aquife... | 420 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | Virgin Islands | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N400NYNECB | 29 | http://water.usgs.gov/ogw/aquife... | 416 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | Connecticut, Maine,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N400ORDVCN | 30 | http://water.usgs.gov/ogw/aquife... | 411 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | Kentucky, Tennessee | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N400PDMBRC | 31 | http://water.usgs.gov/ogw/aquife... | 417 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | Maryland, New Jersey, North... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N400PDMBRX | 32 | http://water.usgs.gov/ogw/aquife... | 611 | Igneous and metamorphic-rock aquifers | 600 | https://geoconnex.us/ref/princip... | Alabama, Delaware, District of... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N400SLRDVN | 33 | http://water.usgs.gov/ogw/aquife... | 410 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | Illinois, Indiana, Iowa,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N400UPCRBN | 34 | http://water.usgs.gov/ogw/aquife... | 412 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | Iowa, Minnesota | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N500MSSPPI | 35 | http://water.usgs.gov/ogw/aquife... | 503 | Sandstone and carbonate-rock aquifers | 500 | https://geoconnex.us/ref/princip... | Alabama, Illinois, Indiana,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N500PLOZOC | 36 | http://water.usgs.gov/ogw/aquife... | 504 | Sandstone and carbonate-rock aquifers | 500 | https://geoconnex.us/ref/princip... | Minnesota, Montana, North... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N500VLYRDG | 37 | http://water.usgs.gov/ogw/aquife... | 505 | Sandstone and carbonate-rock aquifers | 500 | https://geoconnex.us/ref/princip... | Alabama, Georgia, Maryland, New... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N600CMBPLV | 38 | http://water.usgs.gov/ogw/aquife... | 607 | Igneous and metamorphic-rock aquifers | 600 | https://geoconnex.us/ref/princip... | Idaho, Oregon, Washington | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N600HIVLCC | 39 | http://water.usgs.gov/ogw/aquife... | 608 | Igneous and metamorphic-rock aquifers | 600 | https://geoconnex.us/ref/princip... | Hawaii | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N600SKRVPB | 40 | http://water.usgs.gov/ogw/aquife... | 117 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | Idaho, Oregon | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N600SKRVPV | 41 | http://water.usgs.gov/ogw/aquife... | 606 | Igneous and metamorphic-rock aquifers | 600 | https://geoconnex.us/ref/princip... | Idaho, Oregon | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N600SRNVDV | 42 | http://water.usgs.gov/ogw/aquife... | 601 | Igneous and metamorphic-rock aquifers | 600 | https://geoconnex.us/ref/princip... | Nevada | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/N9999OTHER | 43 | http://water.usgs.gov/ogw/aquife... | 999 | None | 999 | https://geoconnex.us/ref/princip... | All | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S100CNRLVL | 44 | http://water.usgs.gov/ogw/aquife... | 106 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | California | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S100CSLLWD | 45 | http://water.usgs.gov/ogw/aquife... | 201 | Semiconsolidated sand aquifers | 200 | https://geoconnex.us/ref/princip... | Alabama, Florida, Louisiana,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S100MSEMBM | 46 | http://water.usgs.gov/ogw/aquife... | 203 | Semiconsolidated sand aquifers | 200 | https://geoconnex.us/ref/princip... | Alabama, Arkansas, Illinois,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S100NATLCP | 47 | http://water.usgs.gov/ogw/aquife... | 205 | Semiconsolidated sand aquifers | 200 | https://geoconnex.us/ref/princip... | Delaware, District of Columbia,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S100NRMTIB | 48 | http://water.usgs.gov/ogw/aquife... | 105 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | Idaho, Montana, Washington, Wyoming | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S100PGTSND | 49 | http://water.usgs.gov/ogw/aquife... | 112 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | Washington | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S100RIOGRD | 50 | http://water.usgs.gov/ogw/aquife... | 102 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | Colorado, New Mexico, Texas | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S100SECSLP | 51 | http://water.usgs.gov/ogw/aquife... | 204 | Semiconsolidated sand aquifers | 200 | https://geoconnex.us/ref/princip... | Alabama, Georgia, Mississippi,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S100SURFCL | 52 | http://water.usgs.gov/ogw/aquife... | 111 | Unconsolidated sand and gravel aquifers | 100 | https://geoconnex.us/ref/princip... | Alabama, Florida, Georgia, ... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S100TXCLUP | 53 | http://water.usgs.gov/ogw/aquife... | 202 | Semiconsolidated sand aquifers | 200 | https://geoconnex.us/ref/princip... | Louisiana, Texas | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S300CAMORD | 54 | http://water.usgs.gov/ogw/aquife... | 312 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | Illinois, Iowa, Michigan,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S300DNVRBS | 55 | http://water.usgs.gov/ogw/aquife... | 302 | Sandstone aquifers | 300 | https://geoconnex.us/ref/princip... | Colorado | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S400FLORDN | 56 | http://water.usgs.gov/ogw/aquife... | 413 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | Alabama, Florida, Georgia,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S400OZRKPL | 57 | http://water.usgs.gov/ogw/aquife... | 405 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | Arkansas, Illinois, Kansas,... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S400RSWLBS | 58 | http://water.usgs.gov/ogw/aquife... | 402 | Carbonate-rock aquifers | 400 | https://geoconnex.us/ref/princip... | New Mexico | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |
| https://geoconnex.us/ref/nat_aq/S500EDRTRN | 59 | http://water.usgs.gov/ogw/aquife... | 501 | Sandstone and carbonate-rock aquifers | 500 | https://geoconnex.us/ref/princip... | Arkansas, Oklahoma, Texas | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... | https://water.usgs.gov/ogw/aq_ex... |