New updates since September, 2019, that affect the Watershed Boundary Dataset (WBD) Subbasins are being provided by FPAC’s Geospatial Enterprise Operations Branch.
30 Deleted:
4090005 Huron
4150101 Black
4150102 Chaumont-Perch
4150200 Lake Ontario
4150302 Oswegatchie
4150303 Indian
4150304 Grass
4150305 Raquette
4150306 St. Regis
4150307 Salmon
4150308 Chateaugay-English
4150309 Headwaters St. Lawrence River
4150310 Raisin River-St. Lawrence River
4150401 Mettawee River
4150402 Otter Creek
4150403 Winooski River
4150404 Ausable River
4150405 Lamoille River
4150406 Saranac River
4150407 Missiquoi River
4150408 Lake Champlain
4150409 Richelieu River
4150500 St. Francois River
4150600 Chaudiere River
4250006 Upper Grand River
4250007 Lower Grand River
10150001 Ponca
21010006 Puerto Rican Islands
22020000 Saipan
22030000 American Samoa
67 Added
4090006 Upper Thames River
4090007 Lower Thames River
4100013 Huron
4140301 Black
4140302 Chaumont-Perch
4270102 Jordan Harbour-Frontal Lake Ontario
4270103 Sixteen Mile Creek-Frontal Lake Ontario
4270104 Humber River-Frontal Lake Ontario
4270105 Ganaraska River-Frontal Lake Ontario
4270106 Moira River-Frontal Lake Ontario
4270107 Napanee River-Frontal Lake Ontario
4270201 Scugog River
4270202 Gull River
4270203 Kawartha Lakes
4270204 Otonabee River
4270205 Trent River
4280001 Prince Edward County-Frontal Lake Ontar
4280002 Lake Ontario
4290001 Headwaters St. Lawrence River
4290002 Indian
4290003 Oswegatchie
4290004 Grass
4290005 Raquette
4290006 St. Regis
4290007 Salmon
4290008 Raisin River-St. Lawrence River
4300101 Mettawee River
4300102 Otter Creek
4300103 Winooski River
4300104 Ausable River
4300105 Lamoille River
4300106 Saranac River
4300107 Missiquoi River
4300108 Lake Champlain
4300109 Richelieu River
4300201 Chateaugay-English
4300202 St. Francois River
4310001 Chaudiere River
10170104 Ponca
21010007 Puerto Rican Western Islands
21010008 Puerto Rican Eastern Islands
22020101 Saipan Island
22020102 Tinian Island
22020103 Aguijan Island
22020104 Rota Island
22020201 Farallon de Pajaros
22020202 Maug Islands
22020203 Asuncion Island
22020204 Agrihan Island
22020205 Pagan Island
22020206 Alamagan Island
22020207 Guguan Island
22020208 Sarigan Island
22020209 Anatahan Island
22020210 Farallon de Medinilla
22030001 Tutuila Island
22030002 Ofu Island-Olosega Island
22030003 Ta'u Island
22030004 Rose Atoll
22030005 Swains Island
22040001 Wake Island
22040002 Johnston Atoll
22040003 Kingman Reef
22040004 Palmyra Atoll
22040005 Jarvis Island
22040006 Howland Island
22040007 Baker Island
All remaining were Modifications of Subbasins only.