San Diego Water Authority Celebrates 20 Years of Secure, Clean Water Through Landmark Pact

The San Diego County Water Authority announced that Sunday marks 20 years since water officials across the Southwestern U.S. signed the largest water conservation-transfer agreement in the nation’s history, enabling two decades of sourcing clean water from the Colorado River.

Known as the Colorado River Quantification Settlement Agreement, or QSA, the agreements settled decades of dispute over Colorado River water.