The down stream face of Dutch Hollow Lake Dam has two large areas of seepage. Previous engineers for the Dutch Hollow Lake Association had recommended that a filter drain be constructed along those two areas to reduce the risk of a piping failure. Vierbicher Associates, Inc. assisted the association by estimating construction costs for a graded soil filter, and by preparing construction plans, specifications and bidding documents for this dam rehabilitation project.

Following the dam face repairs Vierbicher Associates, Inc. also completed a dam failure analyses, an emergency action plan and an operations, maintenance and inspection plan for the