Short and sweet. First, we are on a septic tank. We are in Mississippi.
We called a plumber to snake our drain on our washing machine because one load pours gallons of water onto the laundry room, even caused us to have to replace a brand new washing machine.
Plumber says the old cast iron pipes have become completely gunked up with black sludge that snaking it does nothing. Recommended someone bring a jetter, stand on the roof and flush out the entire pipe.
Note: This pipe connects our washing machine and kitchen sink. If we do nothing, the sink is next.
Problem is, the jetter may or may not work. If it does not work, we will have to run new piping. The plumber suggested just have it run into the yard since it is just the washing machine and kitchen sink, not the toilet.
Running pipe into the septic tank would require going into the foundation, basically a lot more work and a lot more expense than we can handle.
So, is it safe to run the pipe into the yard? Legal? I can't imagine a licensed plumber would tell us to do something that is illegal but you never know. We have children. We are near a lake (hundred yards or less) so that concerns me, too.
Any and all advice is welcome.