SAN GABRIEL BASIN
WATER QUALITY AUTHORITY
We protect your health by protecting your groundwater.

Groundwater cleanup is critical to ensure a safe water supply for our communities. The Water Quality Authority has facilitated construction of 31 treatment plants across the basin to contain and remove industrial byproducts.
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WHAT WE DO

The WQA is empowered by the State of California to protect and promote the beneficial use of groundwater supplies in the San Gabriel Valley. Our work focuses on coordinating and facilitating actions by local, state and federal agencies to contain and clean up groundwater contamination and prevent its spread.

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CALENDAR & NOTICES

Stay informed of our upcoming meetings and events.
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AGENDAS & MINUTES

View all agendas, minutes, and notices of our meetings.
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PROJECTS

Read detailed descriptions of our past and current projects.
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CALENDAR & NOTICES

Stay informed of our upcoming meetings and events.
Click to Learn More

AGENDAS & MINUTES

View all agendas, minutes, and notices of our meetings.
Click to Learn More

PROJECTS

Read detailed descriptions of our past and current projects.
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OUR MISSION

The mission of the San Gabriel Basin Water Quality Authority is to coordinate, plan, and implement groundwater quality management programs to efficiently remediate groundwater contamination and assist in preventing future contamination.

OUR GOALS

  • Accelerate removal of containment mass in the Basin
  • Prevent migration of containment into critical groundwater supplies
  • Integrate cleanup with water supply
  • Minimize economic impact to the public
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