man i do too! if this calculation is correct, im shocked. i had no idea there was that much waste!
Glad I posted... looks like the one water company almost bamboozled me back in the day.
Be careful. I would think if you're starting to get mud, that mud COULD be grinding up your well pump too.
Its very fine manganese. Gets through our 100 micron filters.
I mean, cant you just discharge the waste water back into the well so it doesnt run dry and wont waste water?
We do discharge it into our sump, which discharges just past the well.
When it goes down the drain, it returns to the ground refiltered.
Out here we do use septic and leach fields, and the sumps just water the grass, so yep.
So in theory it shouldnt run dry then? I mean if he has a 100GPD unit it should only be drawing less than 22ml of water a second and the waste water should be returned up to 18ml/s to the well. These arent mind blowing flow rates.
Not sure where you got 9000gal of waste water from. 98% rejection rate for the RO membrane means the membrane can filter out 98% of the TDS in the water, it does not mean it rejects 98% of the water going in.. Meaning water with 100TDS going in will have 2TDS going out. The amount of waste water an RODI produces depends on the restrictor valve on the waste water line, and its usually a 1:4 ratio. So if you make 100gal a day you produces 400 gal of waste water.
As far as returning water to the well, I dont have a line returning water to the well.
As for rejection rate, that is what I had been told originally a long time ago by a water professional. I thought it was only 4:1 type ratio, but they insisted the percentage.
When we moved and had our first well I reached out to a water company (culligan type of thing) since our water would occasionally turn rust color and smelled like rotten egg. They came out to do a free water test, and told us we needed a water softner, and recommended a whole home RO system (which is when they told me the rejection rate equals the gallons). I figured they are the experts, but I ended up buying and installing the softner myself instead of paying them a monthly fee. It worked, but not great.
Later on, I reached out to Aquascience.net (much better company!!!). They asked me to send two vials of water and came back with results and recommended a Katalox/Carbon system to clean out the sulfur, manganese, and iron in the water (high TDS). They said to install that before the water softner, and that would bring out TDS down to under 100, and then the water softner would help with the last little bit. I have a Typhoon Extreme III after the water softner.
Have you had your well water tested?
I have been running my tanks on straight well water for 2 years at 2 different houses. Not saying its right. I have a rodi to install but if water tests okay i would do first fill off the well for cycling and then switch to rodi after that.
especially if worrying about running dry. I plan to capture my rodi waste water for gardening in a 300g ibc tote and when that is full the overflow will go into our pond.
Yes, very high TDS. Fluctuates drastically with the rain.
No actually the water company is wrong. Usually they are around 1:3 or 1:4 good:waste. An easy way to test your unit is to run it for a few minutes and capture the good in one measuring cup and the waste in the other.
Yep, see above. I originally thought it was like that, but got told other wise by a water company. Never thought about it again until recently, and the posts made me research it some more.
