NHD updates since March, 2020

National Hydrography Dataset (NHD) updates since March, 2020

30 Deleted
HUC8 ID   Subbasin Name
04090005   Huron
04150101   Black
04150102   Chaumont-Perch
04150200   Lake Ontario
04150302   Oswegatchie
04150303   Indian
04150304   Grass
04150305   Raquette
04150306   St. Regis
04150307   Salmon
04150308   Chateaugay-English
04150309   Headwaters St. Lawrence River
04150310   Raisin River-St. Lawrence River
04150401   Mettawee River
04150402   Otter Creek
04150403   Winooski River
04150404   Ausable River
04150405   Lamoille River
04150406   Saranac River
04150407   Missiquoi River
04150408   Lake Champlain
04150409   Richelieu River
04150500   St. Francois River
04150600   Chaudiere River
04250006   Upper Grand River
04250007   Lower Grand River
10150001   Ponca
21010006   Puerto Rican Islands
22020000   Saipan
22030000   American Samoa

46 Added
HUC8 ID   Subbasin Name
04090006   Upper Thames River
04090007   Lower Thames River
04100013   Huron
04140301   Black
04140302   Chaumont-Perch
04270102   Jordan Harbour-Frontal Lake Ontario
04270103   Sixteen Mile Creek-Frontal Lake Ontario
04270104   Humber River-Frontal Lake Ontario
04270105   Ganaraska River-Frontal Lake Ontario
04270106   Moira River-Frontal Lake Ontario
04270107   Napanee River-Frontal Lake Ontario
04270201   Scugog River
04270202   Gull River
04270203   Kawartha Lakes
04270204   Otonabee River
04270205   Trent River
04280001   Prince Edward County-Frontal Lake Ontar
04280002   Lake Ontario
04290001   Headwaters St. Lawrence River
04290002   Indian
04290003   Oswegatchie
04290004   Grass
04290005   Raquette
04290006   St. Regis
04290007   Salmon
04290008   Raisin River-St. Lawrence River
04300101   Mettawee River
04300102   Otter Creek
04300103   Winooski River
04300104   Ausable River
04300105   Lamoille River
04300106   Saranac River
04300107   Missiquoi River
04300108   Lake Champlain
04300109   Richelieu River
04300201   Chateaugay-English
04300202   St. Francois River
04310001   Chaudiere River
10170104   Ponca
13100000   Rio Conchos
21010007   Puerto Rican Western Islands
21010008   Puerto Rican Eastern Islands
22020101   Saipan Island
22030001   Tutuila Island
22030002   Ofu Island-Olosega Island
22030003   Ta'u Island