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Environmental Systems Service, Ltd. (ESS) has an experienced staff of environmental scientists qualified to conduct training to meet client needs.  Environmental program training includes but is not limited to:



Water and Wastewater Operator Training


Contact for more information.


For water and wastewater operators, training is a necessary step for obtaining an initial license and is a mandatory requirement for license renewal.  Failure to attain the required training certification results in non-renewal of an operator’s license.


Environmental Systems Service, Ltd. (ESS) has 47 years of experience in the water and wastewater treatment field.  We have applied our experience in the industry to develop and deliver training designed to cover the technical aspects of treatment operations, maintenance, and associated sampling and testing. 


Course topics include:

  • Introduction to Wastewater Treatment
  • Basic Math
  • Basic Operating Procedures
  • Extended Aeration Activated Sludge
  • Fixed Film Biological Processes
  • Advanced Treatment Processes
  • Process Control and Trouble Shooting
  • Plant Unit Processes
  • Process Control Math (Treatment Formula Sheets included)
  • Plant Upset Causes and Indicators
  • Process Control Remedial Activities
  • Regulatory Overview
  • Laboratory Compliance Tests
  • Wastewater Equipment
  • Chemical Application for Coagulation & Precipitation
  • Chemical Handling & Feed Equipment
  • Determination of Dose & Feed Rates
  • Chemical Handling Safety
  • Basic Wastewater Safety


ESS conducts training at our Culpeper facility and various other locations, and is currently scheduling classes for the upcoming year.  If travel is an issue, ESS can conduct training at the client’s site.

Contact to inquire about the next training event.


Initial Demonstration of Capabilities (IDC) & Certification of Operator Competency (COC) Training


As set forth by the Department of Environmental Quality on September 12, 2007, Initial Demonstration of Capabilities (IDC) or Certification of Operator Competency (COC) must be successfully completed by all wastewater treatment facility analysts/operators.  The following criteria are required for an analyst/operator to successfully complete the IDC or COC:


  • The procedure must be documented, done only once per analyst per method, redone if there is a change in the analyst/operator or method.
  • The analyst/operator must analyze 4 replicates of an independent check sample of a known concentration.
  • The analyst/operator must recover 90%-110% for each replicate (SM 18th or 19th Ed.) or 80%-120% for each replicate (SM 20th or 21st Ed.)


The Department of Environmental Quality requires that an IDC or COC be performed on total residual chlorine and pH. 

 Contact to inquire about training.






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Corporate Office    

ESS, Ltd.    
218 North Main Street    
Culpeper, VA 22701    

toll free 1-800-541-2116    
office 1-540-825-6660    
fax 1-540-825-4961    

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Environmental Systems Services, Ltd. (ESS) - Culpeper - Virginia
Corporate Office: 1-800-541-2116 -

ESS is a member of the Culpeper Chamber of Commerce

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