Water rights

Water rights worldwide

Rare Context lists 1,300 water rights in the world, with 137,192,379 acre-ft/year of face-value volume between them, leaving out 238 storage and power rights. The largest is Solano County municipal and irrigation right A014443 (9,004,510 acre-ft/year).

By country

Largest water rights

Sorted by face-value volume.

Water rightLocationHolderFace-value volume
Solano County municipal and irrigation right A014443Solano County, California, United StatesCalif Dept of Water Resources9,004,510 acre-ft/year
Rock Slough municipal and irrigation right A005626Contra Costa County, California, United StatesU S Bureau of Reclamation7,998,004 acre-ft/year
Contra Costa County municipal and industrial right A009364Contra Costa County, California, United StatesU S Bureau of Reclamation7,818,798 acre-ft/year
Colorado River irrigation and domestic right A007482Imperial County, California, United StatesImperial Irrigation District7,239,775 acre-ft/year
Contra Costa County municipal and irrigation right A013370Contra Costa County, California, United StatesU S Bureau of Reclamation5,347,832 acre-ft/year
San Joaquin River municipal and irrigation right A005638Madera County, California, United StatesU S Bureau of Reclamation3,917,478 acre-ft/year
San Joaquin County municipal and irrigation right A005628San Joaquin County, California, United StatesU S Bureau of Reclamation3,349,944 acre-ft/year
Contra Costa County irrigation and domestic right A015375Contra Costa County, California, United StatesU S Bureau of Reclamation3,030,762 acre-ft/year
Old River municipal and irrigation right A009368Contra Costa County, California, United StatesU S Bureau of Reclamation2,895,910 acre-ft/year
Pine Flat Dam irrigation and domestic right S028457Fresno County, California, United StatesKings River Water Association2,808,912 acre-ft/year
Kings River West of Highway 99 irrigation right A000360Kings County, California, United StatesKings River Water Association2,786,000 acre-ft/year
Kern County municipal and irrigation right A031677Kern County, California, United StatesKern County Water Agency2,279,000 acre-ft/year
Merced County municipal and irrigation right A000234Merced County, California, United StatesU S Bureau of Reclamation2,124,487 acre-ft/year
San Joaquin River municipal and irrigation right A001465Madera County, California, United StatesU S Bureau of Reclamation2,124,487 acre-ft/year
California Aqueduct water right A032815Kern County, California, United StatesSemitropic Water Storage District1,600,000 acre-ft/year
Old River municipal and irrigation right A014445AAlameda County, California, United StatesCalif Dept of Water Resources1,575,212 acre-ft/year
Stone Corral Creek municipal and irrigation right A025517X01Colusa County, California, United StatesSites Project Authority1,500,000 acre-ft/year
Colorado River irrigation and domestic right A007483Imperial County, California, United StatesCoachella Valley Water District1,447,955 acre-ft/year
Contra Costa County municipal and irrigation right A019304Contra Costa County, California, United StatesU S Bureau of Reclamation1,420,000 acre-ft/year
Old River municipal and irrigation right A005630Alameda County, California, United StatesCalif Dept of Water Resources1,393,569 acre-ft/year
Water right S029247 (Statement of Div and Use)California, United StatesCressey River LLC1,385,000 acre-ft/year
Contra Costa County municipal and irrigation right A017376Contra Costa County, California, United StatesU S Bureau of Reclamation1,335,371 acre-ft/year
Yuba River irrigation and industrial right A005632Yuba County, California, United StatesYuba County Water Agency1,159,000 acre-ft/year
Sacramento County municipal and irrigation right A017512Sacramento County, California, United StatesCalif Dept of Water Resources1,100,000 acre-ft/year
Merced River irrigation right S004718Merced County, California, United StatesMerced Irrigation District1,086,600 acre-ft/year

Data on this page