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25N 96 n Lake i 101A W 58 53 25N 447 25N 95 VU 24N 24N 93 ¤£ 193 55 24N 99 VU445 24N 23N Roberts Creek Mtn. 185 23N 94 74 * Christina Peak

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¤£ 198 1S 1S £ E E 71E HYDROGRAPHIC REGIONS OF * 2 70E 2 142 / 68E 69E / £ 67E

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1 62E 1S 58E 60E 61E 1 59E 0 53E 55E 56E 57E 33E 34E 5 52E 54E 319 35E 36E 37E 38E 4 51E 39E 40E 41E 42E 43E 44E 45E 46E 47E 48E 49E 50E VU 203 Panaca 197 2S U 2S 117 148 170 L I N C O L N 2S Goldfield Cedar Peak 2S * 3S T 1 3S 143

3 A 3S *Mt. Irish 2 11 Caliente 3S Hiko ¤£93 HUMBOLDT 4S

4S H ELKO 145 E S M E R A L D A 4S 4S 375 204 E ÷ø 5S * Quartzite Mountain 182 O 5S 144 H 4 R S 147 157 PERSHING A

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Pahrump O 20S I 20S A VU372 162 A Las Vegas 20S r e v i 21S R Lake Mead 21S 95 o ¤£ d a r o 21S l 22S o Henderson 22S C ADMINISTRATIVE GROUNDWATER BASINS 22S VU160 VU146 £ 22S Boulder City 1. NORTHWEST REGION 10. CENTRAL REGION 23S 163 (CONTINUED) (CONTINUED) (CONTINUED)

1. PUEBLO V. 59. LOWER REESE RIVER V. 111. ALKALAI V. (MINERAL) 167. ELDORADO V. 213. COLORADO RIVER V. 24S 2. CONTINENTAL LAKE V. 60. WHIRLWIND V. (A) NORTHERN PART 168. THREE LAKES V. 214. PIUTE V. VU161 166 Sandy 3. GRIDLEY LAKE V. 61. BOULDER FLAT (B) SOUTHERN PART (NORTHERN PART) 215. BLACK AREA Jean 25S 4. VIRGIN V. 62. ROCK CREEK V. 112. MONO V. 169. TIKAPOO V. (TIKABOO V.) 216. GARNET V. (DRY LAKE V.)* 165 167 C o 15 l 5. SAGE HEN V. 63. WILLOW CREEK V. 113. HUNTOON V. (A) NORTHERN PART 217. HIDDEN V. (NORTH)* 1 o r

¨¦§ a d 6. GUANO V. 64. CLOVERS AREA 114. TEELS MARSH V. (B) SOUTHERN PART 218. CALIFORNIA WASH 26S 164A o R iv 7. SWAN LAKE V. 65. PUMPERNICKEL V. 115. ADOBE V. 170. PENOYER V. (SAND SPRING V.) 219. MUDDY RIVER SPRINGS AREA e Primm r 8. MASSACRE LAKE V. 66. KELLY CREEK AREA 116. QUEEN V. 171. COAL V. (UPPER MOAPA V.) 27S ¤£95 9. LONG V. 67. LITTLE HUMBOLDT V. 117. FISH LAKE V. 172. GARDEN V. 220. LOWER MOAPA V. 213 164B 10. MACY FLAT 68. HARDSCRABBLE AREA 118. COLUMBUS SALT MARSH V. 173. RAILROAD V. 221. TULE DESERT 28S 11. COLEMAN V. 69. PARADISE V. 119. RHODES SALT MARSH V. (A) SOUTHERN PART 222. VIRGIN RIVER V. Searchlight L M a k 12. MOSQUITO V. 70. WINNEMUCCA SEGMENT 120. GARFIELD FLAT (B) NORTHERN PART 223. GOLD BUTTE AREA o e h 29S a v e 13. WARNER V. 71. GRASS V. 121. SODA SPRING V. 174. JAKES V. 224. GREASE WOOD BASIN 214 14. SURPRISE V. 72. IMLAY AREA (A) EASTERN PART 175. LONG V. * NON CONTRIBUTING PART OF 30S 15. BOULDER V. 73. LOVELOCK V. (B) WESTERN PART 176. RUBY V. THE COLORADO RIVER BASIN 16. DUCK LAKE V. (A) OREANA SUBAREA 122. GABBS V. 177. CLOVER V. 74. WHITE PLAINS 123. RAWHIDE FLATS 178. BUTTE V. 14. DEATH VALLEY BASIN 31S 2. BLACK ROCK DESERT REGION 124. FAIRVIEW V. (A) NORTHERN PART (ROUND V.) 32S VU163 5. WEST CENTRAL REGION 125. STINGAREE V. (B) SOUTHERN PART 225. MERCURY V. Laughlin 17. PILGRIM FLAT 126. COWKICK V. 179. STEPTOE V. 226. ROCK V. 18. PAINTERS FLAT 75. BRADYS HOT SPRINGS AREA 127. EASTGATE VALLEY AREA 180. CAVE V. 227. FORTYMILE CANYON 33S 19. DRY V. 76. FERNLEY AREA 128. DIXIE V. 181. DRY LAKE V. (A) JACKASS FLATS 20. SANO V. 77. FIREBALL V. 129. BUENA VISTA V. 182. DELAMAR V. (B) BUCKBOARD MESA 21. SMOKE CREEK DESERT 78. GRANITE SPRINGS V. 130. PLEASANT V. 183. LAKE V. 228. OASIS V. 22. SAN EMIDIO DESERT 79. KUMIVA V. 131. BUFFALO V. 184. SPRING V. 229. CRATER FLAT 23. GRANITE BASIN 132. JERSEY V. 185. TIPPETT V. 230. AMARGOSA V. 24. HUALAPAI FLAT 6. TRUCKEE RIVER BASIN 133. EDWARDS CREEK V. 186. ANTELOPE V. 231. GRAPEVINE CANYON 25. HIGH ROCK LAKE VALLEY 134. SMITH CREEK V. (WHITE PINE & ELKO) 232. ORIENTAL WASH NOTE 26. MUD MEADOW 80. WINNEMUCCA LAKE V. 135. IONE V. (A) SOUTHERN PART This map indicates the designation of administrative 27. SUMMIT LAKE V. 81. PYRAMID LAKE V. 136. MONTE CRISTO V. (B) NORTHERN PART Reference: Water for Nevada. Report No. 3, October 1971 28. BLACK ROCK DESERT 82. DODGE FLAT 137. BIG SMOKY V. 187. GOSHUTE V. groundwater basins in the state at the time of publication. 29. PINE FOREST V. 83. TRACY SEGMENT (A) TONOPAH FLAT 188. INDEPENDENCE V. For specific information regarding designation orders and the 30. KINGS RIVER V. 84. WARM SPRINGS V. (B) NORTHERN PART (A) RIO KING SUBAREA 85. SPANISH SPRINGS V. 138. GRASS V. 11. GREAT SALT LAKE BASIN delineation of the administrative groundwater basins the reader (B) SOD HOUSE SUBAREA 86. SUN V. 139. KOBEH V. should contact the Nevada Division of Water Resources 31. DESERT V. 87. TRUCKEE MEADOWS 140. MONITOR V. 189. THOUSAND SPRINGS V. 32. SILVER STATE V. 88. PLEASANT V. (A) NORTHERN PART (A) HERRILL SIDING- 33. QUINN RIVER V. 89. WASHOE V. (B) SOUTHERN PART BRUSH CREEK AREA (A) OROVADA SUBAREA 90. LAKE TAHOE BASIN 141. RALSTON V. (B) TOANO-ROCK SPRING (B) McDERMITT SUBAREA 91. TRUCKEE CANYON SEGMENT 142. ALKALAI SPRING V. (ESMERALDA) AREA 143. CLAYTON V. (C) ROCKY BUTTE AREA 3. SNAKE RIVER BASIN 7. WESTERN REGION 144. LIDA V. (D) MONTELLO- 145. STONEWALL V. CRITTENDEN CREEK AREA 34. LITTLE OWYHEE RIVER AREA 92. LEMMON V. 146. SARCOBATUS FLAT (MONTELLO V.) EXPLANATION 35. SOUTH FORK OWYHEE RIVER AREA (A) WESTERN PART 147. GOLD FLAT 190. GROUSE CREEK V. 36. INDEPENDENCE V. (B) EASTERN PART 148. CACTUS FLAT 191. PILOT CREEK V. Regional Boundary Water Body 37. OWYHEE RIVER AREA 93. ANTELOPE V. 149. STONE CABIN V. 192. Administrative Boundary 38. BRUNEAU RIVER AREA 94. BEDELL FLAT 150. LITTLE FISH LAKE V. 193. DEEP CREEK V. Marsh Inferred Boundary Line 39. JARBIDGE RIVER AREA 95. DRY V. 151. ANTELOPE V. (EUREKA & NYE) 194. PLEASANT V. State Line 40. SALMON FALLS CREEK AREA 96. NEWCOMB LAKE V. 152. STEVENS BASIN 195. SNAKE V. Dry Lake 41. GOOSE CREEK AREA 97. HONEY LAKE V. 153. DIAMOND V. 196. HAMLIN V. County Line Township / Range Line 98. SKEDADDLE CREEK V. 154. NEWARK V. DESIGNATED BASINS 4. HUMBOLDT RIVER BASIN 99. RED ROCK V. 155. LITTLE SMOKY V. 12. ESCALANTE DESERT BASIN Road 100. COLD SPRING V. (A) NORTHERN PART # City Designated 42. MARYS RIVER AREA (A) LONG V. (B) CENTRAL PART 197. ESCALANTE DESERT T Mountain Peak Designated (Irrigation Denied) 43. STARR VALLEY AREA (C) SOUTHERN PART Designated (Preferred Use) 44. NORTH FORK AREA 8. CARSON RIVER BASIN 156. HOT CREEK V. 13. COLORADO RIVER BASIN Designated (Preferred Use - Irrigation Denied) 45. LAMOILLE V. 157. KAWICH V. 46. SOUTH FORK AREA 101. CARSON DESERT 158. EMIGRANT V. 198. DRY V. 47. HUNTINGTON V. (A) PACKARD V. (A) GROOM LAKE V. 199. ROSE V. 48. DIXIE CREEK - TENMILE CREEK AREA 102. CHURCHILL V. (B) PAPOOSE LAKE V. 200. EAGLE V. 49. ELKO SEGMENT 103. DAYTON V. 159. YUCCA FLAT 201. SPRING V. 50. SUSIE CREEK AREA 104. EAGLE V. 160. FRENCHMAN FLAT 202. PATTERSON V. 51. MAGGIE CREEK AREA 105. CARSON V. 161. INDIAN SPRINGS V. 203. PANACA V. 52. MARYS CREEK AREA 162. PAHRUMP V. 204. CLOVER V. 53. PINE V. 9. WALKER RIVER BASIN 163. MESQUITE V. (SANDY V.) 205. LOWER MEADOW VALLEY WASH 54. CRESCENT V. 164. IVANPAH V. 206. KANE SPRINGS V. 55. CARICO LAKE V. 106. ANTELOPE V. (A) NORTHERN PART 207. WHITE RIVER V. 56. UPPER REESE RIVER V. 107. SMITH V. (B) SOUTHERN PART 208. PAHROC V. p 57. ANTELOPE V. 108. MASON V. 165. JEAN LAKE V. 209. PAHRANAGAT V. 58. MIDDLE REESE RIVER V. 109. EAST WALKER AREA 166. HIDDEN V. (SOUTH) 210. COYOTE SPRING V. 110. WALKER LAKE V. 211. THREE LAKES V. Department of Conservation and Natural Resources (A) SCHURZ SUBAREA (SOUTHERN PART)* Scale 1:750,000 (B) LAKE SUBAREA 212. LAS VEGAS V. Office of the State Engineer (C) WHISKEY FLAT- April 2015 Division of Water Resources HAWTHORNE SUBAREA 901 S. Stewart Street 0 30 60 90 120 Carson City, Nevada 89701

Jason King, P.E. Miles State Engineer