Water & Wastewater Treatment

CES and our affiliated company, KleanTu LLC, provide low-cost solutions for treatment and disposition of contaminated waters and wastewaters including:
  • Industrial Process Wastewater
  • Sanitary Wastewater
  • Landfill Leachate
  • Stormwater Runoff
  • Groundwater
  • Oil & Gas Produced Water

Benefits to our Clients

We used tailored approaches and technologies to benefit our clients in a number of ways. These benefits include:
  • Up to 50% lower in capital costs compared to routine approaches, achieved through:
    • Use of proven technologies in innovative ways
    • Maximum use of existing plant equipment and infrastructure
  • Up to 50% lower in O & M costs compared to routine approaches, achieved through:
    • Lower energy systems
    • Optimization of chemical usage
    • Minimization of sludge generation
    • Ease of operation and maintenance
  • Reliable attainment of permit limitations with focus on consistent compliance.
  • Wastewater treatability studies providing physical, chemical and biotreatment testing.

Our Approach

What makes the above benefits possible is the extensive water and wastewater expertise of CES personnel, who have over 250 combined years of design, operation, troubleshooting and optimization of treatment systems for a wide variety of wastewaters, stormwater and other contaminated waters. Our general approach typically incorporates the following components:
A focused upfront effort that represents the greatest opportunity for overall cost savings as depicted in the Project Cost Savings Timeline.
An ability with our extensive experience to rapidly screen and select from the immense number of possible treatment systems as depicted in the Process Options Model.

Flexibility provided in our services based upon our clients' needs and preferences as depicted in the Services Bridge that provides for:

  • Complete services from project initiation through start-up
  • Utilizing clients' existing engineering firm or internal capabilities
  • Competitive bidding for equipment procurement and construction

Our Services

We provide a wide range of key services:

  • Full water/wastewater characterization including stringent quality assurance of data
  • Treatment plant process improvement evaluation with recommendations
  • Troubleshooting
  • Treatability studies at bench and pilot plant scale
  • Wastewater reduction and reuse evaluation


  • Treatment plant optimization and capacity analysis
  • Design/estimating/planning
  • Permitting and compliance auditing
  • Construction administration and inspection
  • Operation and maintenance manuals
  • Startup and training assistance
  • Determining site-specific effluent reporting limits
  • Implementing analytical¬†Quality Assurance programs
  • Laboratory auditing to insure accurate reporting of results
  • Decentralized water and wastewater strategic planning
  • Decentralized water and wastewater technology development and deployment


John R. Smith, Ph.D., P.E.
(412) 719-5976


Jaw K. Fu, Ph.D., P.E.
(412) 491-0122


John M. Flaherty
(512) 529-7680


Andrew C. Middleton, Ph.D., P.Eng., BCEE
(412) 736-4156