SAN GABRIEL BASIN
WATER QUALITY AUTHORITY

Our consultation is always in sync with your strategy

Cleaning up groundwater for future generations.

Groundwater cleanup is critical to ensure a safe water supply for our communities. The Water Quality Authority has facilitated construction of 32 treatment plants across the basin to contain and remove contaminants.

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.

News & Notices

Stay informed of our upcoming meetings and events.

Meeting Documents

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

Operable Units

Read detailed descriptions of all of the Operable Units in the San Gabriel Basin.

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 contaminant mass in the Basin

  • Prevent migration of contaminant into critical groundwater supplies

  • Integrate cleanup with water supply

  • Minimize economic impact to the public

Video Gallery

Air Stripping

Perchlorate – Ion Exchange

Sustainability

Watershed Ecosystem

WQA Facility Tour 2016

EcoVoices Program Information