Larry Walker Associates

Environmental ServicesCalifornia, United States51-200 Employees

Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA. Since 1979, LWA has integrated environmental stewardship, sound science, effective public policy, and collaborative problem solving, delivering practical and constructive solutions for today’s environmental challenges. We work with public agencies and private businesses throughout the West, partnering to best use all of our resources to protect and improve the environment.
LWA provides a variety of specialized services related to wastewater, stormwater, surface water and groundwater management. LWA’s expertise includes assistance with NPDES permit compliance, analysis of State and Federal water quality policies, implementation of watershed studies, and monitoring of surface waters, groundwaters and waste streams. The services offered by LWA include:
- Wastewater
- Stormwater
- Watershed management and TMDLs
- Agricultural water quality management
- Groundwater modeling and management

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