Common use of Modification of the Agreement Clause in Contracts

Modification of the Agreement. The Parties may modify this Agreement by mutual written agreement. / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / IN WITNESS WHEREOF, Utah and SNWA have fully executed this Agreement on this day of , 2009. Utah Department of Natural Resources Xxxxxxx X. Styler Executive Director Southern Nevada Water Authority Xxxxxxxx Xxxxxx General Manager Approved as to Form: Xxxx X. Xxxxxxxxxx SNWA Deputy General Counsel 4,450,000 4,450,000 750,000 800,000 850,000 U T A XXXX 179 XXXXXXX VALLEY 186 B £¤93 ANTELOPE VALLEY (NORTHER N PART) Elk x X xxxx P ine 186 A ANTELOPE VALLEY (SOU TH ERN PART) E lk o Tooele 261 A GR EAT SALT LAKE DESERT (WEST PART) DA H 259 DUGWAY-GOVERN MENT CREEK VALLEY Too ele Wh it e Pin e 253 DEEP CREEK VALLEY E Re dden Spri ng To oele J ua b ?@2 000 XXXXXXX XXXXXX Fi s h Spr ings Compl ex W xxxx P ine Ju ab E E E E E 194 PLEA SAN T VALLEY 258 FISH SPRINGS FLAT VU174 J uab @?893 M i l la rd Le l and Ha rr is Spri ng C omple x (No r th S it e - 1 P ie zo me te r) E !RE 4,400,000 4,400,000 Mi ll er S pri ng (1 Su r fa ce W a te r G age) Xxxxx Wa rm Spri ngs (1 Su r fa ce W a te x X xxXx ) ER!R!R! E Xxxxx Xx l t M ar sh (No r th Comp lex - 1 Pi e zo me te r) E Xxxxx R e se rv oir (1 Su r fa ce W a te r G age) (Flow M e te r) Xxx ote Spri ng E 184 SPRING VALLEY Bi shop Spri ngs Compl ex EE Be ck S pri ngs Compl ex (1 Su r fa ce W a te r G age) R!R!R Twi n Spr ings (2 Su r fa ce W a te r Gages) (1 Pi e zo me te r S it e) E E E 257 4,350,000 TULE VALLEY Wil low Spr ings Nor th Tul e Spr ing South Tule S pring Knol l Spri ng (1 St af f G age) 4,350,000 287 XXXXXX DESERT ¤£50 £¤6 !2 54026 ! ?@488 ?@487 54022 2!! _^ Xxxxx 54027 2!! 54023 2!! VU159 000 XXXX X XXXXXX ¤£93 ?@894 2! 54028 ! _^Xxxxxxxx M i l lar W xxxx P ine d 4,300,000 E Xxxx xx La ke La k e Cr ee k (1 Su r fa ce W a te r G age) Cl ay S pri ng 4,300,000 (1 Su r fa ce W a te r G age) !2 54029 r k e e e C ! 54024 2! ! L k a k C e e 2! 54030 i p g S r r g B n i ! E !2! 54025 Bi g S pri ngs Cr ee k at State l ine (4 Su r fa ce W a te r G ages) White Pine Bi g S pri ngs Linc oln VU257 256 WAH WAH VALLEY M illa xx X xxxxx ^_Milford 284 MILFOR D AREA 000 XXXXX-EN TER PRISE AREA B eav er UV130 Ir on L in c oln M illard VU21 183 LAKE VALLEY 196 4,250,000 4,250,000 XXXXXX VALLEY 255 PIN E VALLEY Linc oln B eav er 201 SPRING VALLEY 202 L inc oln I xxx XXXXXXXXX VALLEY 750,000 Figure 1 800,000 850,000 Utah/SNWA Agreement Monitoring Areas LEegend Spring of Interest !R UGS Piezometer Spring Valley Stipulation Interbasin Monitoring Zone (Exhibit A) Initial Biological Monitoring Area (Exhibit B) UT/SNWA Agreement Tier I Monitoring Area Current Conditions within Phreatophytic Area Open Water Bare Soil/Low Density Vegetation Phreatophyte/Medium Density Vegetation Wetland/Meadow Agriculture Tier II Monitoring Area Key Area of Biological Concern SNWA Points of Diversion Application Volume _^ Playa Town Hydrographic Area* County Boundary State Boundary 2!! 2!! 3 6 CFS 00 XXX Xxxxx Xxxxx X.X. Xxxxxxx Xxxxx Xxxxx 9 12 Grid based on Universal Transverse Mercator projection, North American Datum 1983, Zone 11N meters. Hillshade developed from 30-m DEM, Sun Angle 45°, Azimuth 315°. Miles *Hydrographic A reaname and number shown MAP ID 15604-32 13 08/06 /2009 JBB/CA C Appendix 1: Biological Monitoring

Modification of the Agreement. The Parties may modify this Agreement by mutual written agreement. / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / IN WITNESS WHEREOF, Utah and SNWA have fully executed this Agreement on this day of , 2009. Utah Department of Natural Resources Xxxxxxx X. Styler Xxxxxx Executive Director Southern Nevada Water Authority Xxxxxxxx Xxxxxx General Manager Approved as to Form: Xxxx X. Xxxxxxxxxx SNWA Deputy General Counsel 4,450,000 4,450,000 750,000 800,000 850,000 U T A XXXX 179 XXXXXXX STEPTOE VALLEY 186 B £¤93 ANTELOPE VALLEY (NORTHER N PART) Elk x X xxxx P ine 186 A ANTELOPE VALLEY (SOU TH ERN PART) E lk o Tooele 261 A GR EAT SALT LAKE DESERT (WEST PART) DA H 259 DUGWAY-GOVERN MENT CREEK VALLEY Too ele Wh it e Pin e 253 DEEP CREEK VALLEY E Re dden Spri ng To oele J ua b ?@2 000 ND2 185 XXXXXXX XXXXXX VALLEY Fi s h Spr ings Compl ex W xxxx P ine Ju ab E E E E E 194 PLEA SAN T VALLEY 258 FISH SPRINGS FLAT VU174 J uab @?893 ND893 M i l la rd Le l and Ha rr is Spri ng C omple x (No r th S it e - 1 P ie zo me te r) E !RE 4,400,000 4,400,000 Mi ll er S pri ng (1 Su r fa ce W a te r G age) Xxxxx Wa rm Spri ngs (1 Su r fa ce W a te x X xxXx ) ER!R!R! E Xxxxx Xx l t M ar sh (No r th Comp lex - 1 Pi e zo me te r) E Xxxxx R e se rv oir (1 Su r fa ce W a te r G age) (Flow Xxxx M e te r) Xxx ote Spri ng E 184 SPRING VALLEY Bi shop Spri ngs Compl ex EE Be ck S pri ngs Compl ex (1 Su r fa ce W a te r G age) R!R!R Twi n Spr ings (2 Su r fa ce W a te r Gages) (1 Pi e zo me te r S it e) E E E 257 4,350,000 TULE VALLEY Wil low Spr ings Nor th Tul e Spr ing South Tule S pring Knol l Spri ng (1 St af f G age) 4,350,000 287 XXXXXX DESERT ¤£50 £¤6 !2 54026 ! ?@488 ?@487 ND488 ND487 54022 2!! _^ A^ Xxxxx 54027 2!! 54023 2!! VU159 000 XXXX X XXXXXX ¤£93 ?@894 £¤93 ND894 2! 54028 ! _^Xxxxxxxx A^Xxxxxxxx M i l lar W xxxx P ine d 4,300,000 E Xxxx xx La ke La k e Cr ee k (1 Su r fa ce W a te r G age) Cl ay S pri ng 4,300,000 (1 Su r fa ce W a te r G age) !2 54029 r k e e e C ! 54024 2! ! L k a k C e e 2! 54030 i p g S r r g B n i ! E !2! 54025 Bi g S pri ngs Cr ee k at State l ine (4 Su r fa ce W a te r G ages) White Pine Bi g S pri ngs Linc oln VU257 256 WAH WAH VALLEY M illa xx X xxxxx ^_Milford *A 284 MILFOR D AREA 000 XXXXX-EN TER PRISE AREA M i l la rd B eav er UV130 Ir on L in c oln M illard VU21 183 LAKE VALLEY 196 4,250,000 4,250,000 XXXXXX VALLEY 255 PIN E VALLEY 000 XXX X XXXXXX Xxxxxxx XX000 Linc oln B eav er 201 SPRING VALLEY 202 B eav er Ir on L inc oln I xxx XXXXXXXXX VALLEY 750,000 Figure 1 800,000 850,000 Utah/SNWA Agreement Monitoring Areas LEegend Spring of Interest !R UGS Piezometer Spring Valley Stipulation Interbasin Monitoring Zone (Exhibit A) Initial Biological Monitoring Area (Exhibit B) UT/SNWA Agreement Tier I Monitoring Area Current Conditions within Phreatophytic Area Open Water Bare Soil/Low Density Vegetation Phreatophyte/Medium Density Vegetation Wetland/Meadow Agriculture Tier II Monitoring Area Key Area of Biological Concern SNWA Points of Diversion Application Volume _^ A^ Playa Town Hydrographic Area* County Boundary State Boundary 2!! 2!! 3 6 CFS 00 XXX Xxxxx Xxxxx X.X. Xxxxxxx Xxxxx Xxxxx 9 12 Grid based on Universal Transverse Mercator projection, North American Datum 1983, Zone 11N meters. Hillshade Xxxxxxxxx developed from 30-m DEM, Sun Angle 45°, Azimuth 315°. Miles *Hydrographic A reaname and number shown MAP ID 15604-32 13 08/06 /2009 JBB/CA C Appendix 1: Biological Monitoring

Modification of the Agreement. The Parties may modify this Agreement by mutual written agreement. / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / IN WITNESS WHEREOF, Utah and SNWA have fully executed this Agreement on this day of , 2009. Utah Department of Natural Resources Xxxxxxx X. Styler Executive Director Southern Nevada Water Authority Xxxxxxxx Xxxxxx General Manager Approved as to Form: Xxxx X. Xxxxxxxxxx SNWA Deputy General Counsel 4,450,000 4,450,000 750,000 800,000 850,000 U T A XXXX 179 XXXXXXX VALLEY 186 B £¤93 ANTELOPE VALLEY (NORTHER N PART) Elk x X xxxx P ine 186 A ANTELOPE VALLEY (SOU TH ERN PART) E lk o Tooele 261 A GR EAT SALT LAKE DESERT (WEST PART) DA H 259 DUGWAY-GOVERN MENT CREEK VALLEY Too ele Wh it e Pin e 253 DEEP CREEK VALLEY E Re dden Spri ng To oele J ua b ?@2 000 ND2 185 XXXXXXX XXXXXX VALLEY Fi s h Spr ings Compl ex W xxxx P ine Ju ab E E E E E 194 PLEA SAN T VALLEY 258 FISH SPRINGS FLAT VU174 J uab @?893 ND893 M i l la rd Le l and Ha rr is Spri ng C omple x (No r th S it e - 1 P ie zo me te r) E !RE 4,400,000 4,400,000 Mi ll er S pri ng (1 Su r fa ce W a te r G age) Xxxxx Wa rm Spri ngs (1 Su r fa ce W a te x X xxXx ) ER!R!R! E Xxxxx Xx l t M ar sh (No r th Comp lex - 1 Pi e zo me te r) E Xxxxx R e se rv oir (1 Su r fa ce W a te r G age) (Flow M e te r) Xxx ote Spri ng E 184 SPRING VALLEY Bi shop Spri ngs Compl ex EE Be ck S pri ngs Compl ex (1 Su r fa ce W a te r G age) R!R!R Twi n Spr ings (2 Su r fa ce W a te r Gages) (1 Pi e zo me te r S it e) E E E 257 4,350,000 TULE VALLEY Wil low Spr ings Nor th Tul e Spr ing South Tule S pring Knol l Spri ng (1 St af f G age) 4,350,000 287 XXXXXX DESERT ¤£50 £¤6 !2 54026 ! ?@488 ?@487 ND488 ND487 54022 2!! _^ A^ Xxxxx 54027 2!! 54023 2!! VU159 000 XXXX X XXXXXX ¤£93 ?@894 £¤93 ND894 2! 54028 ! _^Xxxxxxxx A^Xxxxxxxx M i l lar W xxxx P ine d 4,300,000 E Xxxx xx La ke La k e Cr ee k (1 Su r fa ce W a te r G age) Cl ay S pri ng 4,300,000 (1 Su r fa ce W a te r G age) !2 54029 r k e e e C ! 54024 2! ! L k a k C e e 2! 54030 i p g S r r g B n i ! E !2! 54025 Bi g S pri ngs Cr ee k at State l ine (4 Su r fa ce W a te r G ages) White Pine Bi g S pri ngs Linc oln VU257 256 WAH WAH VALLEY M illa xx X xxxxx ^_Milford *A 284 MILFOR D AREA 000 XXXXX-EN TER PRISE AREA M i l la rd B eav er UV130 Ir on L in c oln M illard VU21 183 LAKE VALLEY 196 4,250,000 4,250,000 XXXXXX VALLEY 255 PIN E VALLEY 000 XXX X XXXXXX Xxxxxxx XX000 Linc oln B eav er 201 SPRING VALLEY 202 B eav er Ir on L inc oln I xxx XXXXXXXXX VALLEY 750,000 Figure 1 800,000 850,000 Utah/SNWA Agreement Monitoring Areas LEegend Spring of Interest !R UGS Piezometer Spring Valley Stipulation Interbasin Monitoring Zone (Exhibit A) Initial Biological Monitoring Area (Exhibit B) UT/SNWA Agreement Tier I Monitoring Area Current Conditions within Phreatophytic Area Open Water Bare Soil/Low Density Vegetation Phreatophyte/Medium Density Vegetation Wetland/Meadow Agriculture Tier II Monitoring Area Key Area of Biological Concern SNWA Points of Diversion Application Volume _^ A^ Playa Town Hydrographic Area* County Boundary State Boundary 2!! 2!! 3 6 CFS 00 XXX Xxxxx Xxxxx X.X. Xxxxxxx Xxxxx Xxxxx 9 12 Grid based on Universal Transverse Mercator projection, North American Datum 1983, Zone 11N meters. Hillshade developed from 30-m DEM, Sun Angle 45°, Azimuth 315°. Miles *Hydrographic A reaname and number shown MAP ID 15604-32 13 08/06 /2009 JBB/CA C Appendix 1: Biological Monitoring

Modification of the Agreement. The Parties may modify this Agreement by mutual written agreement. / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / IN WITNESS WHEREOF, Utah and SNWA have fully executed this Agreement on this day of , 2009. Utah Department of Natural Resources Xxxxxxx X. Styler Xxxxxx Executive Director Southern Nevada Water Authority Xxxxxxxx Xxxxxx General Manager Approved as to Form: Xxxx X. Xxxxxxxxxx SNWA Deputy General Counsel 4,450,000 4,450,000 750,000 800,000 850,000 U T A XXXX 179 XXXXXXX VALLEY 186 B £¤93 ANTELOPE VALLEY (NORTHER N PART) Elk x X xxxx P ine 186 A ANTELOPE VALLEY (SOU TH ERN PART) E lk o Tooele 261 A GR EAT SALT LAKE DESERT (WEST PART) DA H 259 DUGWAY-GOVERN MENT CREEK VALLEY Too ele Wh it e Pin e 253 DEEP CREEK VALLEY E Re dden Spri ng To oele J ua b ?@2 000 ND2 185 XXXXXXX XXXXXX VALLEY Fi s h Spr ings Compl ex W xxxx P ine Ju ab E E E E E 194 PLEA SAN T VALLEY 258 FISH SPRINGS FLAT VU174 J uab @?893 ND893 M i l la rd Le l and Ha rr is Spri ng C omple x (No r th S it e - 1 P ie zo me te r) E !RE 4,400,000 4,400,000 Mi ll er S pri ng (1 Su r fa ce W a te r G age) Xxxxx Wa rm Spri ngs (1 Su r fa ce W a te x X xxXx ) ER!R!R! E Xxxxx Xx l t M ar sh (No r th Comp lex - 1 Pi e zo me te r) E Xxxxx R e se rv oir (1 Su r fa ce W a te r G age) (Flow Xxxx M e te r) Xxx ote Spri ng E 184 SPRING VALLEY Bi shop Spri ngs Compl ex EE Be ck S pri ngs Compl ex (1 Su r fa ce W a te r G age) R!R!R Twi n Spr ings (2 Su r fa ce W a te r Gages) (1 Pi e zo me te r S it e) E E E 257 4,350,000 TULE VALLEY Wil low Spr ings Nor th Tul e Spr ing South Tule S pring Knol l Spri ng (1 St af f G age) 4,350,000 287 XXXXXX DESERT ¤£50 £¤6 !2 54026 ! ?@488 ?@487 ND488 ND487 54022 2!! _^ A^ Xxxxx 54027 2!! 54023 2!! VU159 000 XXXX X XXXXXX ¤£93 ?@894 195 SNAK E VALLEY £¤93 ND894 2! 54028 ! _^Xxxxxxxx A^Xxxxxxxx M i l lar W xxxx P ine d 4,300,000 E Xxxx xx La ke La k e Cr ee k (1 Su r fa ce W a te r G age) Cl ay S pri ng 4,300,000 (1 Su r fa ce W a te r G age) !2 54029 r k e e e C ! 54024 2! ! L k a k C e e 2! 54030 i p g S r r g B n i ! E !2! 54025 Bi g S pri ngs Cr ee k at State l ine (4 Su r fa ce W a te r G ages) White Pine Bi g S pri ngs Linc oln VU257 256 WAH WAH VALLEY M illa xx X xxxxx ^_Milford *A 284 MILFOR D AREA 000 280 XXXXX-EN TER PRISE AREA M i l la rd B eav er UV130 Ir on L in c oln M illard VU21 183 LAKE VALLEY 196 4,250,000 4,250,000 XXXXXX VALLEY 255 PIN E VALLEY Milford UV130 Linc oln B eav er 201 SPRING VALLEY 202 B eav er Ir on L inc oln I xxx XXXXXXXXX VALLEY 750,000 Figure 1 800,000 850,000 Utah/SNWA Agreement Monitoring Areas LEegend Spring of Interest !R UGS Piezometer Spring Valley Stipulation Interbasin Monitoring Zone (Exhibit A) Initial Biological Monitoring Area (Exhibit B) UT/SNWA Agreement Tier I Monitoring Area Current Conditions within Phreatophytic Area Open Water Bare Soil/Low Density Vegetation Phreatophyte/Medium Density Vegetation Wetland/Meadow Agriculture Tier II Monitoring Area Key Area of Biological Concern SNWA Points of Diversion Application Volume _^ A^ Playa Town Hydrographic Area* County Boundary State Boundary 2!! 2!! 3 6 CFS 00 XXX Xxxxx Xxxxx X.X. Xxxxxxx Xxxxx Xxxxx 10 CFS Major Roads U.S. Highway State Route 9 12 Grid based on Universal Transverse Mercator projection, North American Datum 1983, Zone 11N meters. Hillshade Xxxxxxxxx developed from 30-m DEM, Sun Angle 45°, Azimuth 315°. Miles *Hydrographic A reaname and number shown MAP ID 15604-32 13 08/06 /2009 JBB/CA C Appendix 1: Biological Monitoring