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Building
A Pond
By JOHN JEFFRIES
Soil Comerration Technician
Before building a pond there are several requirements that must be met to ensure your pond will be property constructed.
You must have a good pond site, which consists of a water supply that provides adequate, but not excessive amounts of water and a soil type with sufficient clay content to hold the water.
Next, you need to locate the pond where the largest storage volume can be obatined with the least afnount of earth fill. A good site Usually is one where a dam can be built across a narrow section of a valley. The drainage area should be . large enough to maintain water in the pond. However, the watershed area should not be so large that expensive overflow structures are needed to bypass excess run-off during storms. A good rule of thumb is a ratio of 25 to 30 acres of drainage area for one acres of pool area. Of course, if there are strong enough springs located in the pool area, this would vary. Suitability of a pond site depends on the ability of the soils in the reservoir area to hold water. The soil should contain a layer of
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