Solving environmental and water resource challenges since 1988.

Powered by an experienced team of environmental engineers, hydrogeologists, and earth scientists.

We guide our clients through the environmental regulatory process, with creative solutions for navigating compliance with contaminated property and drinking water resources.

From subsurface investigations and remediation, to drinking water system engineering and maintenance solutions, Weber, Hayes & Associates (WHA) has bridged the gap between hundreds of clients and regulators across the California Central Coast and the Greater San Francisco Bay regions for over three decades.

Our Services

Learn more

Default Image Alt Text

Environmental Site Assessments

Default Hover Image Alt Text

Environmental Assessments

Learn More
Default Image Alt Text

Chemical Release Investigations & Remediation

Default Hover Image Alt Text

Chemical Release Investigations & Remediation

Learn More
Default Image Alt Text

Remediation System Design

Default Hover Image Alt Text

Remediation System Design

Learn More
Default Image Alt Text

Drinking Water System Design & Operation

Default Hover Image Alt Text

Drinking Water System Design & Operation

Learn More
Default Image Alt Text

Stormwater Monitoring & Management

Default Hover Image Alt Text

Stormwater Monitoring & Management

Learn More
Default Image Alt Text

Groundwater Supply Studies

Default Hover Image Alt Text

Groundwater Supply Studies

Learn More
Default Image Alt Text

Compost Facility Design & Compliance

Default Hover Image Alt Text

Compost Facility Design & Compliance

Learn More
Default Image Alt Text

Wildfire Remediation & Compliance

Default Hover Image Alt Text

Wildfire Demolition & Compliance

Learn More

Here are some of our clients.

View more

Are you a new or existing client?

Connect with us about your next project!

We'll get back as soon as possible