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This factsheet covers the use of polyacrylamides as a means of erosion control on construction sites. PAM characteristics and considerations are discussed as well as basic directions for use.
This publication explains how to measure streambank erosion and the resulting effect on sediment and nutrient loads. It includes instructions for the following erosion measurement methods: measuring the same cross-section of a streambank over time to see how much it has eroded; surveying the top edge of the bank to estimate erosion if cross-section data is unavailable; and using geospatial analysis and aerial photos taken at different times to calculate how much the streambank has moved.
Construction sites of more than one acre are required to install systems to retain sediment produced onsite. This factsheet describes several chemical treatment options, including polyacrylamides (PAM), gypsum and alum, for reducing turbidity in impounded water.
