> MN has basically decided they're not gonna bother considering what that means and just make everyone do mounds at great expense.

Wrong. We just had a septic tank installed at a property in Crow Wing County.

Here are the MPCA rules for septic tanks: https://www.pca.state.mn.us/business-with-us/registered-sewa...

And lastly, I recommend not posting authoritatively about things you do not understand or grasp, thanks. Your posts about permitting and construction in Minnesota are full of errors.

Stormwater runoff is poisonous and stormwater systems are designed to handle a certain amount of water. When you pave a massive dirt lot that soaks up rainwater, that water has to go somewhere. You don’t understand what you’re talking about.