Eureka   (707) 443-5054   |   Ukiah   (707) 462-0222   |   Santa Rosa   (707) 525-1222



LACO provided civil engineering and geotechnical engineering for the Arcata Levee Repair project, among other services, in Humboldt County, CA.

LACO’s Engineering team has over 120 years of combined experience. We have formed teams to address civil engineering, water and wastewater, and structural engineering.


Our civil engineering projects involve:

  • Infrastructure improvements
  • Roads and highways
  • Grading
  • Subdivisions
  • Public utilities
  • Construction management and inspection
  • Traffic Studies and Analyses
  • Stormwater Pollution Prevention Plans (SWPPP)


Our water and wastewater infrastructure team focuses on:

  • Upgrading and repairing failing systems
  • Treatment plant design
  • Securing State and Federal funding for system repairs and upgrades
  • Hydrogeologic studies
  • Water storage
  • Water resource engineering
  • Regulatory compliance and permitting


LACO’S structural engineering design and inspection services complement and support the building industry. Specialized services include:

  • Commercial and civic structure design
  • Lateral force (seismic and wind) analyses and design
  • Foundation designs and inspection
  • Retaining wall design and inspection
  • Historic building additions, renovations, and seismic retrofitting
  • Evaluation and analysis of existing structures, particularly in response to earthquake damage and foundation settlement
  • Inspections of bridges, water tanks, and towers



Contact Our Experts:



 Rod Wilburn, PE
(707) 462-0222


Relevant Projects