Global Inventory Data Overview per Transboundary Aquifer and per Country Segment TBA Continent TBA name Delineation Country Data code of aquifer sharing aquifer boundary Percentage of data provided in questionnaire (per questionnaire section) 3 1 2 Available TBA-level information Aquifer Geometry Hydrogeological aspects Environmental aspects Socio-economic aspects Legal aspects Average Improvements Harmonisation Accuracy Canada NO - - - - - - North 2N Okanagan-Osoyoos 2 1 1 United States of America NO - - - - - - America Canada NO - - - - - - North 4N Poplar 1 1 1 United States of America NO - - - - - - America Canada NO - - - - - - North 5N Estevan 1 1 1 United States of America NO - - - - - - America Canada NO - - - - - - North Northern Great 6N 2 1 1 United States of America Plains NO - - - - - - America Canada NO - - - - - - North 7N chateauguay 3 1 1 United States of America NO - - - - - - America 1 1 Mexico YES 100% 92% 100% 100% 100% 98% North 8N San Diego-Tijuana 2 United States of America NO - - - - - - America 1 Mexico YES 100% 92% 100% 100% 100% 98% North cuenca Baja del Rio 9N 1 1 United States of America colorado NO - - - - - - America Mexico YES 100% 92% 100% 100% 100% 98% North 10N Sonoyta-Papagos 2 1 1 United States of America NO - - - - - - America Mexico YES 100% 92% 100% 100% 100% 98% North 11N Nogales 3 1 1 United States of America NO - - - - - - America Mexico YES 100% 92% 100% 100% 100% 98% North 12N Santa cruz 3 1 1 United States of America NO - - - - - - America Mexico YES 100% 92% 100% 100% 100% 98% North 13N San Pedro 1 1 1 United States of America NO - - - - - - America Mexico YES 100% 92% 100% 100% 100% 98% North conejos Medanos- 14N 2 1 1 United States of America Bolson de la Mesilla NO - - - - - - America Mexico YES 100% 92% 100% 100% 100% 98% North Bolson del Hueco- 15N 2 1 1 United States of America Valle de Juarez NO - - - - - - America Mexico YES 100% 92% 100% 100% 100% 98% North Edwards-Trinity-El 16N 3 1 1 United States of America Burro NO - - - - - - America Mexico YES 100% 92% 100% 100% 100% 98% North cuenca Baja del Rio 17N 3 1 2 United States of America Bravo-Grande NO - - - - - - America Mexico YES 100% 92% 100% 100% 100% 98% North Los Mimbres-Las 18N 4 2 2 United States of America Palmas NO - - - - - - America 19N North Judith River 4 2 2 Canada NO - - - - - - Global Inventory Data Overview per Transboundary Aquifer and per Country Segment TBA Continent TBA name Delineation Country Data code of aquifer sharing aquifer boundary Percentage of data provided in questionnaire (per questionnaire section) 3 1 2 Available TBA-level information Aquifer Geometry Hydrogeological aspects Environmental aspects Socio-economic aspects Legal aspects Average Improvements Harmonisation Accuracy America United States of NO - - - - - - America Canada YES 80% 38% 20% 0% 10% 30% North 20N Milk River 4 1 1 United States of America NO - - - - - - America North Soconusco- Guatemala NO - - - - - - 1C 2 1 1 America Suchiate/coatan Mexico YES 100% 92% 100% 100% 100% 98% Dominican North YES 40% 54% 0% 0% 87% 36% 1CB Masacre 2 1 1 Republic America Haiti NO - - - - - - North chicomuselo- Guatemala NO - - - - - - 2C 2 1 1 America cuilco/Selegua Mexico YES 100% 92% 100% 100% 100% 98% Dominican North YES 40% 54% 0% 38% 83% 43% 2CB Artibonito 3 1 1 Republic America Haiti NO - - - - - - Ocosingo- North Guatemala NO - - - - - - 3C Usumacinta-Pocom- 1 1 1 America Ixcan Mexico YES 100% 92% 80% 100% 100% 94% Marquez de North 1 Guatemala NO - - - - - - 4C comillas- 1 1 America chixoy/Xaclbal Mexico YES 100% 92% 80% 100% 100% 94% North Boca del cerro-San Guatemala NO - - - - - - 5C 2 2 2 America Pedro Mexico YES 100% 92% 80% 100% 100% 94% North 1 1 1 Guatemala NO - - - - - - 6C Trinitaria-Nenton America Mexico YES 100% 92% 80% 100% 100% 94% 2 1 1 Belize YES 0% 0% 20% 0% 0% 4% Peninsula de North 7C Yucatan-candelaria- Guatemala NO - - - - - - America Hondo Mexico YES 100% 92% 80% 100% 100% 94% North 2 1 1 Belize YES 0% 0% 20% 0% 0% 4% 8C Mopan-Belice America Guatemala YES 100% 69% 100% 100% 3% 75% North Delta del Rio Guatemala NO - - - - - - 12C 3 2 2 America Motagua Honduras NO - - - - - - Guatemala YES 100% 77% 60% 100% 0% 67% North Esquipulas- 14C 1 1 1 Honduras NO - - - - - - America Ocotepeque-citala El Salvador YES 100% 62% 20% 0% 90% 54% North Estero Real-Rio Honduras NO - - - - - - 17C 2 1 1 America Negro Nicaragua YES 100% 62% 20% 0% 87% 54% North Sixaola / Salinas Costa Rica NO - - - - - - 18C 2 1 1 America aquifer Panama YES 20% 15% 20% 0% 100% 31% South Colombia YES 20% 15% 0% 0% 13% 10% 2S Tachira Pamplonita 3 2 2 America Venezuela YES 100% 92% 80% 50% 100% 84% South Colombia YES 0% 8% 0% 0% 13% 4% 3S La Guajira 2 1 1 America Venezuela YES 100% 77% 20% 13% 97% 61% 4S South Grupo Roraima 3 1 1 Brazil YES 40% 46% 0% 0% 57% 29% Global Inventory Data Overview per Transboundary Aquifer and per Country Segment TBA Continent TBA name Delineation Country Data code of aquifer sharing aquifer boundary Percentage of data provided in questionnaire (per questionnaire section) 3 1 2 Available TBA-level information Aquifer Geometry Hydrogeological aspects Environmental aspects Socio-economic aspects Legal aspects Average Improvements Harmonisation Accuracy America Guyana NO - - - - - - Venezuela YES 60% 54% 20% 0% 97% 46% Boa Vista-Serra do South Brazil YES 40% 46% 20% 0% 60% 33% 5S Tucano-North 1 1 1 America Savanna Guyana NO - - - - - - 2 1 1 French GuianaNO - - - - - - South 6S Zanderij Guyana NO - - - - - - America Suriname NO - - - - - - South 2 1 1 Guyana NO - - - - - - 7S coesewijne America Suriname NO - - - - - - South 1 1 1 Guyana NO - - - - - - 8S A-Sand/B-Sand America Suriname NO - - - - - - South 2 1 1 Brazil YES 20% 38% 0% 0% 57% 23% 9S costeiro America French Guiana NO - - - - - - South Puyango-Tumbes- Ecuador NO - - - - - - 12S 2 2 2 America catamayo-chira Peru NO - - - - - - Argentina NO - - - - - - Bolivia NO - - - - - - Brazil YES 60% 46% 0% 0% 47% 31% South Colombia YES 0% 0% 0% 0% 13% 3% 13S Amazonas 2 1 1 America Ecuador NO - - - - - - Peru YES 100% 46% 80% 0% 87% 63% Paraguay NO - - - - - - Venezuela YES 100% 85% 60% 13% 97% 71% Bolivia NO - - - - - - South 14S Titicaca 3 1 1 Chile NO - - - - - - America Peru NO - - - - - - Bolivia NO - - - - - - South 15S Pantanal 2 1 1 Brazil YES 20% 46% 20% 0% 57% 29% America Paraguay NO - - - - - - Bolivia NO - - - - - - South 16S Agua Dulce 3 1 2 Brazil NO - - - - - - America Paraguay YES 40% 31% 60% 0% 97% 45% South Ollague-Pastos Bolivia NO - - - - - - 17S 3 1 1 America Grandes Chile NO - - - - - - South Aquidauana- Brazil YES 60% 38% 0% 0% 60% 32% 19S 1 1 1 America Aquidaban Paraguay NO - - - - - - South caiua-Bauru-Acaray Brazil YES 60% 62% 0% 0% 7% 26% 20S 1 1 1 America Aquifer Paraguay NO - - - - - - 21S South Sistema Acuifero 3 1 1 Argentina YES 60% 31% 20% 13% 30% 31% Global Inventory Data Overview per Transboundary Aquifer and per Country Segment TBA Continent TBA name Delineation Country Data code of aquifer sharing aquifer boundary Percentage of data provided in questionnaire (per questionnaire section) 3 1 2 Available TBA-level information Aquifer Geometry Hydrogeological aspects Environmental aspects Socio-economic aspects Legal aspects Average Improvements Harmonisation Accuracy America Guarani Brazil YES 60% 69% 20% 13% 7% 34% Paraguay NO - - - - - - Uruguay YES 100% 69% 40% 50% 100% 72% Argentina YES 80% 69% 60% 0% 17% 45% South Brazil YES 40% 54% 20% 0% 70% 37% 22S Serra Geral 1 1 1 America Paraguay YES 80% 62% 20% 0% 93% 51% Uruguay YES 80% 46% 40% 50% 100% 63% South Brazil YES 40% 46% 20% 0% 60% 33% 23S Litoraneo-chuy 2 1 1 America Uruguay YES 60% 62% 40% 13% 100% 55% South Brazil YES 40% 46% 20% 0% 60% 33% 24S Permo-carbonifero 1 1 1 America Uruguay YES 80% 69% 20% 0% 100% 54% South Argentina YES 100% 54% 60% 0% 30% 49% 25S Litoral-cretacico 1 1 1 America Uruguay YES 100% 54% 20% 50% 100% 65% Argentina YES 100% 69% 40% 50% 30% 58% South 26S Salto-Salto chico 1 1 1 Brazil NO - - - - - - America Uruguay YES 60% 62% 40% 13% 100% 55% South Argentina YES 100% 69% 80% 0% 23% 55% 27S Punenos 3 1 2 America Bolivia NO - - - - - - Argentina YES 80% 69% 60% 13% 37% 52% South Yrenda-Toba- Bolivia NO - - - - - - 28S 3 1 1 America Tarijeno Brazil NO - - - - - - Paraguay YES 100% 54% 20% 0% 87% 52% South El condor-canadon Argentina YES 60% 46% 20% 0% 7% 27% 29S 2 1 2 America del condor Chile NO - - - - - - Karoo Sedimentary 1 1 1 Lesotho YES 100% 77% 40% 75% 100% 78% AF1 Africa Aquifer South Africa YES 100% 77% 40% 88% 7% 62% coastal Sedimentary 1 1 1 Mozambique NO - - - - - - Basin VI / coastal AF3 Africa Plain Sedimentary South Africa YES 100% 69% 0% 0% 10% 36% Basin Aquifer 1 2 2 Mozambique NO - - - - - - Rhyolite-Breccia AF4 Africa Swaziland YES 100% 92% 80% 100% 100% 94% Aquifer South Africa NO - - - - - - SE Kalahri Karoo 1 1 1 Botswana NO - - - - - - Basin / Stampriet AF5 Africa Namibia YES 100% 92% 100% 100% 100% 98% Artesian Aquifer System South Africa NO - - - - - - Khakhea/Bray 1 3 2 Botswana NO - - - - - - AF6 Africa Dolomite South Africa YES 40% 69% 0% 13% 70% 38% Zeerust / Lobatse / 3 2 1 Botswana NO - - - - - - AF7 Africa Ramotswa Dolomite Basin Aquifer South Africa YES 100% 85% 20% 38% 97% 68% Global Inventory Data Overview per Transboundary Aquifer and per Country Segment TBA Continent TBA name Delineation Country Data code of aquifer sharing aquifer boundary Percentage of data provided in questionnaire (per questionnaire section) 3 1 2 Available TBA-level information Aquifer Geometry Hydrogeological aspects Environmental aspects Socio-economic