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INSTRUCTORS: 
Matthew Reed, M.S., PG, M.ASCE
Jeffrey Henson, M.S., P.E., M.ASCE
Chittaranjan Ray, Ph.D, P.E., M.ASCE

Purpose and Background

Sponsored by the Water Supply, Treatment and Distribution Engineering Committee and the EWRI Institute

This presentation will provide the basics of riverbank filtration for water supply in the United States and discuss recent advances and developments. Riverbank filtration is considered a low-cost treatment technology and has the potential to avoid filtration fully or reduce the use of chemicals in water treatment. RBF has been used by several utilities located along riverbanks (and along lakes) to produce drinking water.

When wells are placed in alluvial aquifers adjacent to rivers, a portion of the river water is induced to flow pumping. A combination of physical chemical and microbial processes helps in improving the water quality as the water moves from the river to wells. For the riverbank filtration systems to work effectively, there must be reliable and generally good quality source water and there must be hydraulic connection between the river and the well in the aquifer. RBF systems have been functional in the US since the late 1930s and early 1940s. In Europe, they’re functioning to provide public water for more than a century. Depending on the location and source water quality, some utilities do not have additional filtration, they simply disinfect and supply the water. In this webinar we’ll discuss planning design and construction processes for RBF systems, assess their performance in terms of water quality improvement and address their effectiveness in removing some of the contaminants of recent concerns.

Benefits and Learning Outcomes

Upon completion of this course, you will be able to:

• Explain how RBF as an alternative to traditional water treatment
• List what cities in the US are operating RBF systems and how long
• Describe how specific problem a utility face was resolved by switching to RBF from traditional river intakes
• Identify what chemicals can be removed by RBF systems
• Explain the process for the removal of pathogens and indicator bacteria through RBF
• Describe an international perspective on riverbank filtration

Assessment of Learning Outcomes

Learning outcomes are assessed and achieved through passing a 10 multiple choice question post-test with at least a 70%.

Who Should Attend?

• Consulting engineers
• Hydrogeologists
• Utility engineers
• Public Agency Engineers
• Utility Directors
• Large well drilling companies

How to Earn Your CEUs/PDHs and Receive Your Certificate of Completion

This course is worth 0.2 CEUs/2 PDHs. To receive your certificate of completion, you will need to complete a short on-line post-test and receive a passing score of 70% or higher within 365 days of course purchase.

How do I convert CEUs to PDHs?

1.0 CEU = 10 PDHs [Example: 0.1 CEU = 1 PDH]