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Slow Sand Filtration

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Training Description

Oregon Drinking Water Services is offering a 6-hour training entitled "Slow Sand Filtration" that will cover topics including an introduction to the slow sand treatment process, optimized performance goals, and recommended practices. This training is designed for operators new to slow sand filtration as well as experienced operators. The training is offered free of charge and participants are eligible to receive up to 6 Contact Hours (0.6 CEUs) for Oregon operators. 


Training Schedule

In-person trainings run from 9 AM - 4:30 PM (PST) at various locations when shown in the schedule below. 

Slow Sand Filtration Training Schedule
Format
Date
Times (PST)
Location
Link to Join Online Training or
Register for In-Person Training
Link to submit Application for
Contact Hour Training Certificate
Online
June 1, 2022
1:00pm - 4:00pm
Part 1
Click here to join the meeting
at the specified date and time
Click here to submit your Application
for Contact Hour Training Certificate
Online
June 2, 2022
1:00pm - 4:00pm
Part 2
Click here to join the meeting
at 
the specified date and time
Click here to submit your Application
for Contact Hour Training Certificate


Email for Assistance
Assistance with taking the online or in-person training or with completing your Application for Contact Hour Training Certificate, email dws.surfacewater@dhsoha.state.or.us or call 971-673-0405. In-person training class size can sometimes be limited. 

Training Credit

Upon completion of the training, attendees receive 6 Contact Hours toward continuing education to meet operator certification requirements. You will need to complete the Application for Contact Hour Training Certificate and pass a short quiz to recieve credit. If approved, you will recieve an email identifying the Contact Hours you have been awarded. 


Training Materials

Materials used in the Slow Sand Filtration training are provided below.

  • PowerPoint Slides (these files are large and may take a while to download):
    • Part 1 of 4 - Introduction: PPT -or- PPS -or- PDf iconPDF
    • Part 2 of 4 - Design: PPT -or- PPS -or- PDf iconPDF
    • Part 3 of 4 - Operations: PPT -or- PPS -or- PDf iconPDF
    • Part 4 of 4 - Regulatory Requirements: PPT -or- PPS -or- PDf iconPDF
  • PowerPoint Slides Handouts (six slides per page):
  • PowerPoint Notes:
    • Part 1 of 4 - Introduction: PDf iconPDF
    • Part 2 of 4 - Design: PDf iconPDF
    • Part 3 of 4 - Operations: PDf iconPDF
    • Part 4 of 4 - Regulatory Requirements: PDf iconPDF
  • Optimization

Recommended References:

Optimization:

Technical Brief:

Design Manuals:

Articles

  • Bellamy, W.D., Hendricks, D.W., and Logsdon, G.S. 1985b. Slow sand filtration: influences of selected process variables. J. Am. Water Works Assoc. 77(12) 62-66.
  • Collins, M.R., Unger, M.C..2008. Assessing Escherichia coli removal in the schmutzdecke of slow-rate biofilters. J. Am. Water Works Assoc. 100(12): 60-73.
  • Letterman, R.D., and Cullen, T.R., Jr. 1985. Slow sand filter maintenance: costs and effects on water quality. EPA/600/2-85-056.U.S. Environmental Protection Agency, Cincinnati, Ohio.
  • Logsdon, G.S., Kohne, R., Abel, S., LaBonde, S. 2002. Slow sand filtration for small water systems. J. Environ. Eng. Sci. Vol. 1. 339-348.
  • Pyper, G.R. 1985. Slow sand filter and package treatment plant evaluation: operating costs and removal of bacteria, Giardia, and trihalomethanes. USEPA/600/2-85/052. U.S. Environmental Protection Agency, Cincinnati, Ohio.
  • Slezak, L.A., Sims, R.C. 1984. The application and effectiveness of slow sand filtration in the United States. J. Am. Water Works Assoc. 76(12) 38-43.
  • Tanner, S.A., and Ongerth, J.E. 1990. Evaluation of slow sand filters in northern Idaho. J. Am. Water Works Assoc. 82(12): 51-61.
  • Visscher, J.T. 1990. Slow sand filtration: design, operation, and maintenance. J. Am. Water Works Assoc 82(6): 67-71.