Go with a concrete tank. By the time you backfill with all the 3\4 washed they want you to use your gonna be close to the same price, stronger as mentioned and if you have high water table they can pop out like a bobber on the lake.Concrete ones have the centre divider rots out but it takes 20-30 years. Minimum code is a meter from house. Make sure you can get a pumper truck to it easily. Barrels a least a foot above ground.two electrical circuits to tank, one for alarm and one for pump. I like the zoeller 1\2 horse cast pumps with brass impeller. High water alarm is rhombus. Use 4" abs to tank.(lighter pipe can collapse). Also don't over excavate the hole, you want it right so your pipe is supported as much as possible with the tank still fitting.hope some of this helps you.
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