After completing this course, the licensee should be able to:  

• Name and define the basic six processes that make the hydrologic cycle a continuous process. 

• Identify the groups that use municipal water and how each can conserve water through careful use.

• Identify different methods of water treatment and the stages of each. 

• Name the causes and sources of pollution. 

• Measure the properties of water using a variety of instruments. 

• Relate varying conditions of pH, hardness, dissolved oxygen, etc., of water to establish quality. 

• Identify procedures used to kill or inactivate common organisms found in water.

  • Course ID(s): PWST22-7970
  • Approved By: Indiana Department of Environmental Management

Instructor Bio

Ralph Stevens

Ralph Stevens is a water Subject Matter Expert, licensed in California, Nevada and Arizona as a Grade 3 Wastewater Treatment Plant Operator. Ralph has worked in wastewater for almost 50 years, starting as an operator in a wastewater treatment plant and serving most recently as the Maintenance Reliability Supervisor for the Clark County Water Reclamation District. He is a certified Class Trainer for the California Water Environment Association (CWEA) and has served as the Operations and Maintenance Chairperson for the same organization. He has won a number of awards for his work, including CWEA Electrical and Instrumentation Person of the Year (2015), Safety Plant of the Year (2017), and the WEF Burke Safety Award (2019). Ralph goes out of his way to help and protect staff and the environment.