Hydrographic Regions and Basins

Nye
	Region	Basin	Sq Miles	Acres	Hydrographic Basin/Sub-Basin Name	Counties	Nearest Cities	Designated
		Total	110,545	70,748,800	Square miles/acres
[4] HUMBOLDT RIVER REGION (Hydrographic Region 4)
58	4	56	1138	728320	Upper Reese River Valley	Lander; Nye	Austin	Yes
		Total	16,843	10,779,520	Square 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
		Total	46,783	29,941,120	Square 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
		Total	12,376	7,920,640	Square 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
		Total	2,593	1,659,520	Square miles/acres