I'm going to install a iron filter for my well and I'm told it discharges 140 gallons every 2 days for backwashing. The well is basically in the woods and my septic is on the other side of the house and can't be used for drainage. My only option for the gray water is the woods but I don't want to just dump it straight onto the ground since I use that area and I'm worried about erosion, so I'm considering a dry well. My best plan currently is to get a large plastic container (about 275 gallons) and drill holes in it, then dig a big hole, add some gravel, line it with landscape fabric and surround the tank with more gravel before burying it.I don't know what the flow rate is, though it can't be high with a 1/2" drain line so I'm wondering if the tank size isn't overkill. A long french drain would be hard to dig but there's a small cleared spot that used to be a pen so I think I can at least dig there for the tank.Has anyone dealt with anything similar? Am I even on the right track?
>>2996243have you actually tested your water? 140 gallons every 2 days is a significant amount of water.I have a dug well, current order is >well>indoor pump>pressure tank>softener with rust removing salt>backwash every 4 days>30 micron sediment filter>5 micron filter>UV light>house Since switching to an iron removing salt I have had zero iron in the house. I'm going to also move my 30 micron filter before the softener.
>>2996243NDS makes these and you can buy the homeowner version at home Depot or the heavier duty landscape contractor version at a landscape supply store.https://www.ndspro.com/us/en/products/drainage/dry-well-drainage-systems-and-kits/nds-flo-well-dry-well
>>2996243Should work fine. It's pretty much exactly what I did to handle the backwash discharge from my water treatment system, only on a smaller scale as it puts out a lot less than that.- buy 50 gal plastic trash can- drill a shitload of 1/2" holes in it- dig a big ass hole, 1 foot wider & 1 foot deeper than the trash can- sit trash can in hole- run pvc pipe from backwash discharge down into trash can- fill trash can with small pebbles/rocks- fill in 6" gap around trash can with more pebbles- cover the whole thing with landscaping fabric- cover with dirtI did this and it handles dissipating the water into the ground no problem, it's been trouble free for years.In your case I'd say use a larger container though as the water volume is a lot more.Also, don't use gravel, use pebbles/rocks like what's in the pic you posted. The water can flow through that much faster.
>>2996252The water has been tested and it's just iron that's a problem. It's not that high of a concentration, but still enough to stain and cause a bad taste. As for volume, I think the wrong size filter got ordered but we're stuck with it now, so I'll probably change the backwash interval and see how things go. The well should be able to handle it, though.>>2996313My new idea, at least for a while, is maybe just a fabric lined and covered rock pit with a plastic barrel above ground that will disperse the water without causing erosion. Access to the area with a truck or equipment is limited, so I'd like to move as little stone and dirt as I can.
>>2996243>septic is on the other side of the houseFun fact, youre definitely drinking your own poop and pee unless the slope is greater than the well depth
I'm thinking about making a run off pipe that taps a shallow spring for a cattle water trough so they don't trash the stream banks
