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Three compacted soil liners, each having unique features that affected the design, construction and quality control of these sites, were recently designed and constructed by NRCS engineers. The liners were constructed for use as low permeability seepage barriers for Animal Waste Storage Ponds (AWSP). Soil amendments consisting of bentonite and a soil dispersant, Soda Ash, were added to two of the liner soils, and one case consisted of compacted clay soil. This paper discusses the theory and relationships of the pre-design soil mechanics testing program along with post construction quality control test results and issues and concerns for each of the three liner systems.