Water and Wastewater Treatment

Our treatment team has served as the program manager or design consultant for water and wastewater system programs totaling a treatment capacity of nearly 3 billion gallons per day. In the past 10 years, Freese and Nichols has completed more than 300 water and wastewater treatment projects. We have led numerous planning studies and designs to deliver safe and effective augmentation of drinking water supplies using Indirect Potable Reuse. Our generations of experience enables us to provide innovative solutions using cost-effective methods that maximize value for you.

Specific Services

Water Purification (Water Treatment)

Indirect/direct potable reuse for water supply augmentation
Brackish groundwater and seawater desalination
Conventional groundwater treatment
Conventional and advanced surface water treatment
Energy use optimization for membrane systems
Membrane filtration
Chlorine, chloramine, ozone and UV disinfection
Chemical optimization

Disinfection byproduct control
Distribution system water quality
Lead and copper rule compliance
Enhanced coagulation and sedimentation
Chemical feed and scrubbers
Softening, lime addition and recarbonation
Taste and odor control
Water supply and source water protection

Resource Recovery (Wastewater Treatment)

Water reclamation and reuse
Conventional activated sludge and high rate activated sludge systems
Integrated film-activated sludge (IFAS), moving bed biofilm reactors (MBBR) and membrane aerated bioreactors (MABR)
Biological and chemical phosphorus removal
Ammonia nitrification
Total nitrogen removal
Headworks, coarse and fine screening, and grit removal
Wastewater pumping systems
Primary clarification and high-rate primary treatment
Chemically enhanced primary treatment
Secondary clarification