Water and Wastewater Treatment

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.

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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
  • Cloth media and conventional filtration
  • Chlorine, UV and hypochlorite disinfection
  • Anaerobic treatment and digestion
  • Aerobic digestion
  • Biosolids dewatering and drying
  • Class A biosolids treatment
  • Energy conservation and recovery
  • Biosolids regulations and residuals management
  • Industrial pretreatment and technically based local limits
  • Peak flow management, storage and treatment
  • Plant upratings

Project Gallery

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Catawba River Water Pollution Control Facility

City of Morganton, North Carolina

Expansion of the Auger Water Treatment Plant to 12 MG

City of Midlothian, Texas

Holly Water Treatment Plant Expansion

City of Fort Worth, Texas

Lick Creek Wastewater Treatment Plant Expansion

Lick Creek Wastewater Treatment Plant Capacity Expansion

City of College Station, Texas

Main Wastewater Treatment Plant

City of Port Arthur, Texas

Martinez IV WWTP and Wastewater Collection System

San Antonio River Authority, Texas

Wastewater Treatment Plant Expansion

City of Cleburne, Texas

Water Treatment Plant Disinfection Byproducts Reduction Improvements

Somervell County Water District, Texas

North Water Treatment Plant Improvements Project No. 3 and South Water Treatment Plant Uprating Improvements

City of Lubbock, Texas

Central Wastewater Treatment Plant Expansion

City of Pflugerville, Texas

Allison Wastewater Treatment Plant Nitrification Study

City of Corpus Christi, Texas

Village Creek Water Reclamation Facility Thickening Study and Modifications

City of Fort Worth, Texas

Phase 1C Water Treatment Plant Expansion and Zebra Mussel Control

Brushy Creek Regional Utility Authority, Texas

Wylie Water Treatment Plant Risk-Based Renewal CIP

North Texas Municipal Water District