Hydrographic Regions and Basins

Churchill
		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)
	75	4	73	635	406400	Lovelock Valley	Pershing; Churchill	Rye Patch; Lovelock	Yes
	77	4	74	164	104960	White Plains	Churchill; Pershing	Lovelock; Fernley	Yes
			Total	16,843	10,779,520	Square miles/acres
	[5] WEST CENTRAL REGION (Hydrographic Region 5)
	78	5	75	178	113920	Brady Hot Springs Area	Churchill; Lyon	Bradys Hot Springs; Fernley	Yes
	79	5	76	120	76800	Fernley Area	Lyon; Washoe; Storey; Churchill	Fernley; Hazen	Yes
	80	5	77	58	37120	Fireball Valley	Churchill	Nixon; Fernley	No
	81	5	78	967	618880	Granite Springs Valley	Pershing; Churchill	Lovelock; Gerlach	No
			Total	1,656	1,059,840	Square miles/acres
	[6] TRUCKEE RIVER REGION (Hydrographic Region 6)
	83	6	80	371	237440	Winnemucca Lake Valley	Pershing; Washoe; Churchill	Nixon; Gerlach	No
	84	6	81	672	430080	Pyramid Lake Valley	Washoe; Churchill	Nixon; Sutcliffe	No
	85	6	82	92	58880	Dodge Flat	Washoe; Churchill	Wadsworth	No
			Total	2,300	1,472,000	Square miles/acres
	[8] CARSON RIVER REGION (Hydrographic Region 8)
	106	8	101	2022	1294080	Carson Desert	Churchill; Pershing; Lyon	Fallon; Stillwater	Yes
	108	8	102	480	307200	Churchill Valley	Lyon; Churchill; Douglas; Storey	Fallon	Yes
			Total	3,519	2,252,160	Square miles/acres
	[9] WALKER RIVER REGION (Hydrographic Region 9)
	116	9	110A	502	321280	Walker Lake Valley/Schurz Sub-Area	Mineral; Lyon; Churchill	Schurz	No
			Total	3,046	1,949,440	Square miles/acres
	[10] CENTRAL REGION (Hydrographic Region 10)
	132	10	122	1277	817280	Gabbs Valley	Mineral; Nye; Churchill	Gabbs	Yes
	133	10	123	227	145280	Rawhide Flats	Churchill; Mineral; Lyon	Schurz; Fallon	No
	134	10	124	285	182400	Fairview Valley	Churchill; Mineral	Frenchman; Fallon; Eastgate	Yes
	135	10	125	43	27520	Stingaree Valley	Churchill	Frenchman; Eastgate	Yes
	136	10	126	110	70400	Cowkick Valley	Churchill	Frenchman; Eastgate	Yes
	137	10	127	216	138240	Eastgate Valley Area	Churchill	Eastgate	Yes
	138	10	128	1303	833920	Dixie Valley	Churchill; Pershing; Lander	Dixie Valley; Fallon	Yes
	139	10	129	742	474880	Buena Vista Valley	Pershing; Churchill	Unionville; Lovelock	Yes
	143	10	133	416	266240	Edwards Creek Valley	Churchill	Eastgate; Austin	No
			Total	46,783	29,941,120	Square miles/acres