Pipe is 6" steel with a steel collar at mid dam, 110' pipe run.
Dam is sloped 3-1 water side & 4-1 dry side, with dam height 4' above the water level and about 10'to 12' across the top. Soil is clay with a top coat of top soil and k33 grass over the entire dam. The dam was built in the middle of a dry summer and it took about 12 months to fill up. The only vegetation is grass and cattails.