New website by Stoa. Not the official RWA website.

Regional Water Authority

Reliable, affordable water for the Sacramento region

To serve, represent and align the interests of regional water providers and stakeholders for the purpose of improving water supply reliability, availability, quality and affordability.

The American River flowing between granite outcrops and oak-covered hills
The American River

Basin Lens

Surface and Basin

The region’s supply is managed above ground by RWA and below ground, in the North Area Basin, by the Sacramento Groundwater Authority. Choose a layer.

Oak canopy above ground and roots reaching through layered strata to the water table

RWA / regional supply

Water for wet years and dry years

Surface water, groundwater, recycled water and conserved water work as one regional supply. The Water Bank stores more of that flexibility underfoot.

Explore the regional water future

Start with a task

How Can We Help?

State and local water leaders gather at the Freeport Regional Water Facility
State and local water leaders at the Freeport Regional Water Facility

Regional action

Water Providers Working Together

RWA brings regional water providers together to improve water supply reliability, availability, quality and affordability.

How RWA works
River-blue bands flowing across pale paper

Newsletter

Stay Current on Regional Water News

The Regional Water Authority distributes periodic news and information about regional water issues, opportunities and events.

Subscribe to RWA news