Evaluating Filter Material and Water Chemistry for Potential of Promoting Bacterial Growth Resulting in Clogged Drains
Bacterial grown in the drainage systems of embankment dams can clog drains resulting in costly repairs. What conditions promote this bacterial growth in drainage systems of embankment dams and how can we modify our evaluation of filter material and water chemistry to prevent or lessen bacterial growth?
Need and Benefit
During 2013, several samples from clogged dam drains were submitted to the MERL Petrography Lab to determine the cause of the clogging. In most cases, the problem turned out to be sludge and mineral precipitates from iron and sulfur bacteria which thrive under certain conditions. I propose conducting a literature review to summarize the conditions (water chemistry and mineral types) that would induce bacterial growth and set for acceptable levels of these minerals.
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Bureau of Reclamation Review
The following documents were reviewed by experts in fields relating to this project's study and findings. The results were determined to be achieved using valid means.
Evaluating Filter Material and Water Chemistry for Potential of Promoting Bacterial Growth Resulting in Clogged Drains (final, PDF, 228KB)
By Audrey Rager
Publication completed on September 30, 2015