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Hi, looking to get some assistance

Hi, looking to get some assistance

Hi, looking to get some assistance

Hi, looking to get some assistance in computing the water soil storage capacity in a soil horizon next to a ditch. We will be filling the ditch and the loss in water capacity will need to be compensated for according to the local drainage district. I must confess haven't done this type of problem since college - any help would be appreciated! I know the parameters to get are:
1. water level in the ditch
2. normal groundwater level in the area
3. soil conductivity of the native soil
4. Soil storage or CN value of soil

What else am I missing? What is the algorithm(s) from here?

RE: Hi, looking to get some assistance

Considering the voids in the soil, if the water is not flowing through the ditch as in a stream situation, the volume of storage to replace would be about 70 % of the volume of the ditch.

Mike McCann, PE, SE (WA)

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