National Hydrography Dataset (NHD) updates since March 7, 2017
1 Deleted
HUC8 ID Subbasin Name
08020201 New Madrid-St. Johns
18 Added
HUC8 ID Subbasin Name
08010300 Town of Madrid-Saint Johns Bayou
09010009 Upper Moose Mountain Creek
09020317 Morris River
09020318 Rat River-Tourond Creek
09020319 La Salle River
09040003 Upper Oldman River
13100000 Rio Conchos
13110000 Rio Salado
13120000 Rio San Juan
17010107 Headwaters Kootenai River
17010108 Upper Kootenai River
17010109 Duncan River
17010110 Slocan River
17020017 Headwaters Columbia River
17020018 Canoe River-McNaughton Lake
17020019 McNaughton Lake-Columbia River
17020020 Goldstream River-Columbia River
17020021 Upper Arrow Lake-Columbia River
All Others Modified