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

[4] HUMBOLDT RIVER REGION (Hydrographic Region 4)
 58 4 56 1138 728320 Upper Reese River Valley Lander; Nye Austin Yes
   Total16,84310,779,520Square miles/acres   

[10] CENTRAL REGION (Hydrographic Region 10)
 132 10 122 1277 817280 Gabbs Valley Mineral; Nye; Churchill Gabbs Yes
 144 10 134 582 372480 Smith Creek Lander; Nye Austin; Eastgate No
 145 10 135 460 294400 Ione Valley Nye; Mineral Gabbs; Ione No
 147 10 137A 1603 1025920 Big Smoky Valley/Tonopah Flat Nye; Esmeralda; Mineral Tonopah; Manhattan Yes
 148 10 137B 1323 846720 Big Smoky Valley/Northern Part Nye; Lander Round Mountain; Austin Yes
 151 10 140A 529 338560 Monitor Valley/Northern Part Nye; Lander; Eureka Austin No
 152 10 140B 509 325760 Monitor Valley/Southern Part Nye Round Mountain; Tonopah No
 153 10 141 971 621440 Ralston Valley Nye; Esmeralda Tonopah Yes
 154 10 142 313 200320 Alkali Spring Valley Esmeralda; Nye Goldfield; Tonopah Yes
 156 10 144 535 342400 Lida Valley Esmeralda; Nye Lida; Goldfield No
 157 10 145 381 243840 Stonewall Flat Nye; Esmeralda Goldfield No
 158 10 146 812 519680 Sarcobatus Flat Nye; Esmeralda Scottys Junction; Beatty Yes
 159 10 147 684 437760 Gold Flat Nye Goldfield No
 160 10 148 403 257920 Cactus Flat Nye Goldfield; Warm Springs No
 161 10 149 985 630400 Stone Cabin Valley Nye Tonopah; Warm Springs Yes
 162 10 150 434 277760 Little Fish Lake Valley Nye Eureka; Warm Springs No
 163 10 151 444 284160 Antelope Valley Eureka; Nye Eureka No
 167 10 155A 591 378240 Little Smoky Valley/Northern Part Nye; Eureka; White Pine Eureka No
 168 10 155B 57 36480 Little Smoky Valley/Central Part Nye Duckwater; Eureka No
 169 10 155C 510 326400 Little Smoky Valley/Southern Part Nye Duckwater; Eureka No
 170 10 156 1036 663040 Hot Creek Nye Warm Springs No
 171 10 157 350 224000 Kawich Valley Nye Warm Springs No
 172 10 158A 663 424320 Emigrant Valley/Groom Lake Valley Lincoln; Nye Tempiute No
 173 10 158B 104 66560 Emigrant Valley/Papoose Valley Lincoln; Nye Indian Springs; Mercury No
 174 10 159 305 195200 Yucca Flat Nye Mercury No
 175 10 160 463 296320 Frenchman Flat Nye; Lincoln; Clark Mercury No
 176 10 161 655 419200 Indian Springs Valley Clark; Lincoln; Nye Indian Springs Yes
 177 10 162 789 504960 Pahrump Valley Clark; Nye Pahrump; Las Vegas Yes
 187 10 170 700 448000 Penoyer Valley (Sand Spring Valley) Lincoln; Nye Hiko; Warm Springs Yes
 188 10 171 460 294400 Coal Valley Lincoln; Nye Tempiute No
 189 10 172 493 315520 Garden Valley Nye; Lincoln Sunnyside; Tempiute No
 190 10 173A 603 385920 Railroad Valley/Southern Part Nye; Lincoln Tempiute; Warm Springs No
 191 10 173B 2149 1375360 Railroad Valley/Northern Part Nye; White Pine; Lincoln Currant; Duckwater No
   Total46,78329,941,120Square miles/acres   

[13] COLORADO RIVER REGION (Hydrographic Region 13)
 230 13 207 1607 1028480 White River Valley Nye; White Pine; Lincoln Preston; Sunnyside Yes
 231 13 208 508 325120 Pahroc Valley Lincoln; Nye Hiko; Sunnyside No
   Total12,3767,920,640Square miles/acres   

[14] DEATH VALLEY REGION (Hydrographic Region 14)
 248 14 225 110 70400 Mercury Valley Nye Indian Springs No
 249 14 226 82 52480 Rock Valley Nye Amargosa Valley No
 250 14 227A 279 178560 Fortymile Canyon/Jackass Flats Nye Lathrop Wells No
 251 14 227B 240 153600 Fortymile Canyon/Buckboard Mesa Nye Lathrop Wells No
 252 14 228 460 294400 Oasis Valley Nye Beatty Yes
 253 14 229 182 116480 Crater Flat Nye Lathrop Wells; Beatty No
 254 14 230 896 573440 Amargosa Desert Nye Beatty; Lathrop Wells Yes
 255 14 231 162 103680 Grapevine Canyon Esmeralda; Nye Scottys Junction No
   Total2,5931,659,520Square miles/acres