NorthStar Employee

Nick Weigel, PE

Title: President

  • Partner in Firm
  • Water Resources Department Manager
  • Registered Professional Civil Engineer, CA (66282)
  • LEED Accredited Proessional
  • California Onsite Water Association, Treasurer and Trainer


  • California Onsite Water Association (COWA)

Nick Weigel has over 15 years of experience in civil engineering. Nick received a Bachelors of Science degree in Civil Engineering from California State University, Chico in 1995. In 2001, Nick joined NorthStar Engineering where he has specialized in the design of decentralized wastewater collection, treatment, and dispersal systems. Nick has extensive knowledge in wastewater flow estimating, field analysis of soils, analytical modeling of nitrogen and salt loading, designing advanced and secondary wastewater treatment systems utilizing recirculating sand/gravel filtration systems, aerobic systems, textile filters, and alternative disposal/reuse options such as drip and spray irrigation. Nick is active in the wastewater community and has taught at the California Wastewater Training and Research Center at CSU Chico, is a certified National Association of Wastewater Transporters instructor for the Onsite Wastewater Systems Inspector certification and Operation and Maintenance certification courses, and is currently teaching multiple courses for the California Onsite Wastewater Association. Nick is also on the Professional Advisory Board for the Department of Civil Engineering, CSU Chico, and is chair of the Butte County Wastewater Advisory Committee.