Hydrographic Regions and Basins
Lander
 RegionBasinSq MilesAcresHydrographic Basin/Sub-Basin NameCountiesNearest CitiesDesignated
   Total110,54570,748,800Square miles/acres   

[4] HUMBOLDT RIVER REGION (Hydrographic Region 4)
 56 4 54 752 481280 Crescent Valley Eureka; Lander Beowawe; Crescent Valley Yes
 57 4 55 376 240640 Carico Lake Valley Lander Austin; Crescent Valley Yes
 58 4 56 1138 728320 Upper Reese River Valley Lander; Nye Austin Yes
 59 4 57 452 289280 Antelope Valley Lander Austin Yes
 60 4 58 319 204160 Middle Reese River Valley Lander Austin Yes
 61 4 59 588 376320 Lower Reese River Valley Lander; Eureka Austin; Ione Yes
 62 4 60 94 60160 Whirlwind Valley Eureka; Lander Beowawe; Dunphy Yes
 63 4 61 544 348160 Boulder Flat Eureka; Lander; Elko Beowawe; Battle Mountain Yes
 64 4 62 444 284160 Rock Creek Valley Elko; Lander; Eureka Battle Mountain Yes
 66 4 64 720 460800 Clovers Area Humboldt; Lander; Elko Battle Mountain Yes
   Total16,84310,779,520Square miles/acres   

[10] CENTRAL REGION (Hydrographic Region 10)
 138 10 128 1303 833920 Dixie Valley Churchill; Pershing; Lander Dixie Valley; Fallon Yes
 141 10 131 504 322560 Buffalo Valley Pershing; Lander; Humboldt Battle Mountain; Winnemucca Yes
 142 10 132 142 90880 Jersey Valley Pershing; Lander Dixie Valley; Battle Mountain Yes
 144 10 134 582 372480 Smith Creek Lander; Nye Austin; Eastgate No
 148 10 137B 1323 846720 Big Smoky Valley/Northern Part Nye; Lander Round Mountain; Austin Yes
 149 10 138 595 380800 Grass Valley Lander; Eureka Austin Yes
 150 10 139 868 555520 Kobeh Valley Eureka; Lander Eureka Yes
 151 10 140A 529 338560 Monitor Valley/Northern Part Nye; Lander; Eureka Austin No
   Total46,78329,941,120Square miles/acres