Another overflow pipe question

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Another overflow pipe question #559573 07/05/23 04:04 PM
Joined: Jul 2023 Posts: 1 Chicota,TX D Deputydawg
Deputydawg D Joined: Jul 2023 Posts: 1 Chicota,TX	1 acre pond 1-2 acre watershed NE Texas Lamar County The existing pond on this property appears to never had an overflow installed until it overflowed and took out the fence line that ran across the dam/levee. Then it appears the owners ran a 6" schedule 40 pvc horizontally through the dam as an afterthought. I am rebuilding the dam area and would like some suggestions on overflow pipe size. The local USDA NRCS office does not want to run calculations for an existing pond. Their engineer claims they only do it for new construction. I downloaded the USDA Ag Handbook 590 but the tables make my head spin. I am considering a 12" double-wall HDPE culvert pipe as I have seen on multiple YouTube vids. Any thoughts on the pipe sizing/type or pipe finishing on the pond side i.e. angle cuts, standpipe, screening etc?

Entire Thread
Subject	Posted By	Posted
Another overflow pipe question	Deputydawg	07/05/23 09:04 PM
Re: Another overflow pipe question	FishinRod	07/06/23 05:25 PM
Re: Another overflow pipe question	Rich M	09/11/24 05:58 PM
Re: Another overflow pipe question	FishinRod	09/11/24 06:55 PM
Re: Another overflow pipe question	TEC	09/11/24 08:05 PM
Re: Another overflow pipe question	Dave Davidson1	09/12/24 01:27 AM
Re: Another overflow pipe question	FishinRod	09/12/24 03:27 AM
Re: Another overflow pipe question	Dave Davidson1	09/12/24 12:23 PM