1 CWAG 2010 WATER LAW CONFERENCE The Broadmoor Colorado Springs, Colorado April 29 – 30, 2010

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CWAG 2010CWAG 2010

WATER LAW CONFERENCE

The Broadmoor Colorado Springs, Colorado

April 29 – 30, 2010

22

Colorado River Compact

Conference of Western Attorneys GeneralConference of Western Attorneys GeneralApril 30, 2010April 30, 2010

Jennifer Gimbel, Director, Colorado Water Conservation BoardJennifer Gimbel, Director, Colorado Water Conservation BoardTerry Fulp, Deputy Regional Manager, Bureau of ReclamationTerry Fulp, Deputy Regional Manager, Bureau of Reclamation

33

44

½ acre-foot = 162,925 gallons½ acre-foot = 162,925 gallons

55

Purposes Purposes equitable apportionment equitable apportionment in perpetuityin perpetuity hierarchy of interstate useshierarchy of interstate uses interstate comityinterstate comity remove controversies remove controversies allow development, storage, and flood allow development, storage, and flood

protectionprotection

Colorado River Compact (1922)

66

Colorado River Compact (1922)Upper BasinLower Basin 7.5 maf

7.5 maf + 1 maf = 8.5 maf/yr

1.5 maf

77

Upper BasinUpper Division

88

Apportionment23%

51.75%

14%

11.25%

Upper Basin

50 kaf

State %% of 7.5 MAF (full supply)

% of 6 MAF(more likely

supply)

Colorado 51.75 3,855,375 3,079,125

New Mexico 11.25 838,125 669,375

Utah 23 1,713,500 1,368,500

Wyoming 14 1,043,000 833,000

99

Lower Basin ApportionmentLower Basin Apportionment

1100

Apportionment

2.8 maf

.3 maf

4.4 maf

Lower Basin

1111

Colorado River Compact (1922)

United States-Mexico Treaty (1944)

Upper Colorado River Basin Compact (1948)

The Legal TrinityColorado River Salinity Control Act (1974)

California Seven Party Agreement (1931)Natio

nal Enviro

nmenta

l Polic

y Act (

1969)

Endangered S

pecies Act (

1973)

Gran

d C

anyo

n P

rotectio

n A

ct (1992)

Interim Surplus Guidelines (2001)L

ow

er C

olo

Riv

er

Mu

lti-

Sp

ecie

s C

on

serv

atio

n

Pro

gra

m (

2005

)

Supplemental California v. Arizona Supreme Court Decrees (1968, 1979, 1983, 1984, 2000, 2006)

California Colorado River Water Agreement (2003)

Boulder Canyon Project Act (1928)Colorado River Storage Project Act (1956)

Arizona v. California (1963)

Colorado River Basin Project Act (1968)

La Plata River Compact (1922)

Colorado River

Endangered Fish

Recovery Program

(1988)

Colorado Ute Settlement Act (2000)

Interim Guidelines for Lower Basin Shortages and Coordinated Reservoir Operations (2007)

1122

Jennifer GimbelJennifer GimbelExecutive DirectorExecutive Director

Colorado Water Conservation BoardColorado Water Conservation Board

1133

Terry FulpTerry FulpDeputy Regional DirectorDeputy Regional Director

Lower Colorado River RegionLower Colorado River RegionBureau of ReclamationBureau of Reclamation

1144

CWAG 2010CWAG 2010

WATER LAW CONFERENCE

The Broadmoor Colorado Springs, Colorado

April 29 – 30, 2010