O'Connor Environmental, Inc.

OEI is committed to finding practical, scientifically rigorous, and innovative solutions to help address a wide variety of water and natual resource management issues facing our clients and our communities. 

Hydrology & Hydraulics

Watershed Modeling & Planning

Stream Restoration

Fish Passage Improvement

Flood Hazard Mitigation

Groundwater Availability

State Water Rights

Engineering Support Services

CEQA Analysis and Permitting

Expert Witness Services