I havent experienced any water going over the dam, but I have seen a place of two where the water is pooling on the dam. I have a 12" over flow pipe at the end of the dam which seems to work fine unless there are torrential rains. Does a 12" pipe seem to be adequate or should I consider a larger pipe?

The erosion in the pics is partially I think from lost vegetation in that area last fall plus the steep grade of the back of the dam.

I also noticed a few days ago a small leak in the back of the dam about 10 feet away from the erosion in the pics.

So far....this is the guidance I have received:

1. fill in about 2-3 ft on the inside of the dam with a clay/bentonite mixture to widen the dam and to plug any small leaks.

2. cut a 6-8 inch wide 4 ft deep trench the length of the dam and fill/compact with clay to establish a barrier.

no real advice yet on how to repair the loss on the back of the dam however.

I'd appreciate any advice any of you can give. Thanks.

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