When County DPW requires environmental review, they turn to in-house experts in the Environmental Services Unit (ESU). Before DPW can begin construction, ESU conducts a thorough review to ensure the County complies with all federal, state, and local environmental regulations, including the California Environmental Quality Act (CEQA).
ESU studies a wide range of resources, such as: biology, archaeological or historical resources, traffic, noise, and water quality to name a few.
They review a variety of DPW facilities, including:
ESU also provides environmental guidance for other County departments. ESU is heavily involved in each project starting from its conception through construction and beyond.