'Theoretically this level of creeping Orwellian dynamics should ramp up our awareness, but what happens instead is that each alert becomes less and less effective because we're incredibly stupid.' - Jerry Holkins
D Nikolls wrote:I use a system with a 50micron, 10/1 micron, 0.5 micron in series, followed by a Luminor GUV-4S LED UV treatment.
I run it at well under 1GPM, into a 40 gallon stainless tank that gravity feeds the sink. Sink is the only water source in the tinyhouse.
I like the energy efficiency of the very small UV system that I can use with such low flow, and batch filtering keeps power usage super low.
Your system sounds pretty good to me; I haven't used a RO system before for comparison..
I would want to hit the shower water with 1micron/UV, personally. I usually take my mouth with me into the shower, so it just seems less worrisome to treat that water like it might meet my mouth.
Main issue in my system that may also pertain to yours; first flush diverter and coarse filtration before the main storage tank. I have a first flush diverter using a screen at the intake, a float to divert water to tank when diverter full, and a small weep hole to allow it to drain slowly.
It sucks, it clogs in multiple ways, and it runs all the water over the accumulated debris. I will start from scratch on this part of the system next time round.
I am thinking covered gutters, centrifugal first flush diverter, and a barrel sand/gravel filter before storage.. time will tell.
John Daley Bendigo, Australia The Enemy of progress is the hope of a perfect plan
Benefits of rainfall collection https://permies.com/t/88043/benefits-rainfall-collection
GOOD DEBT/ BAD DEBT https://permies.com/t/179218/mortgages-good-debt-bad-debt
John C Daley wrote:Dakota, I have a lot of experience with rainfall collection for domestic use.
I also believe that in many cases treatment of the water is not necessary if certain conditions are met initially.
- Primary storage tank is at least 5000 gallons.
- You store at least 3 months supply of water.
- First flush filters are used to exclude the initial flow of dust and bird poo.
- Have leaf traps on each tank also.
For improved water draw from the top of the tank with a floating outlet.
Some questions about your plans;
- what size primary tank do you plan to use?
- Will you have leaf guards along the spouting?
- will you have agricultural spray allied in the area near your house?
- look at my signature for more details.
Steve Zoma wrote:There is not enough information here to make any suggestions. You have to test the water first and tell us what the issues are.
Where I live any sort of non-drilled well source typically has bacteria. This is easy to solve with boiling, UV post-filtering or distilling, but if the water has high amounts of heavy metals then boiling or distilling only concentrates the metals and makes the situation worse. UV does nothing for it either. But it gets worse because if you have arsenic in your water, that literally CAN KILL YOU. Where I live, arsenic is hit or miss in drinking water sources, but so is radiation from uranium.
As I said, I cannot in good conscious give you a suggestion on what to do with your water because "it is just a guess unless you test".
That being said, I would look into a whole house Reverse Osmosis system and not waste my money on an undersized, under the counter reverse osmosis system. I am still not sure if the situation is anal, for animals, or annual but point-of-use RO is cheap because it is so limiting. Without testing your water, you do not even know if RO will take care of the issue. Typically RO only takes out 12 mg/liter but what if you have more? My water has 37 mg/liter of iron, but I only know that because my water has been tested. That would mean I would need (4) RO systems in series to get my water to allowable levels (here it is .5 mg/liter and I have 37!!)
Again, not enough information here to give any feedback that is meaningful.
John Daley Bendigo, Australia The Enemy of progress is the hope of a perfect plan
Benefits of rainfall collection https://permies.com/t/88043/benefits-rainfall-collection
GOOD DEBT/ BAD DEBT https://permies.com/t/179218/mortgages-good-debt-bad-debt
Steve Zoma wrote:I am not seeing your water testing results.
A RO system that takes care of 12 mg/liter is great if you have 7 mg/liter, but if you have water that has 23 mg/liters you got contaminated water after you treat the water.
All the builder placard shows is the percentage that is removed at a certain level. I have no idea what your actual levels are: it may be higher, it may be lower?
You are putting the cart before the horse. You test your water to find out what you have for bad stuff in it. Then you obtain a water filtration system to take out what you don't want. You may not need any filtration system. You may need far more than you think. But if you overfilter then you end up drinking foul tasting water because the good minerals are not left in it and your own health suffers. Same thing for animals that you may have.
It is all just a guess unless you test and it costs just $150. There is zero reason not to test. It could save you tons of work and money, or even save your life.
John C Daley wrote:Dakota, Steve is making a very important point about testing the ground water.
- your 1800 Gallon tank sounds perfect for you at the moment.
- leaf traps are important
- Have a look here, this equipment is available in North America. https://rainharvesting.com.au/learn/
- A submersible pump will draw from the bottom, maybe an external small even 12V pump will work for yourself at the moment.
- Look at RV supplies they have very good expensive pumps.
- A small particle filter should be all you need.
- Rainwater will not have problems with these as Steve mentioned, "arsenic is hit or miss in drinking water sources, but so is radiation from uranium."
Can you load some pictures.
Steve Zoma wrote:I am not seeing your water testing results.
A RO system that takes care of 12 mg/liter is great if you have 7 mg/liter, but if you have water that has 23 mg/liters you got contaminated water after you treat the water.
All the builder placard shows is the percentage that is removed at a certain level. I have no idea what your actual levels are: it may be higher, it may be lower?
You are putting the cart before the horse. You test your water to find out what you have for bad stuff in it. Then you obtain a water filtration system to take out what you don't want. You may not need any filtration system. You may need far more than you think. But if you overfilter then you end up drinking foul tasting water because the good minerals are not left in it and your own health suffers. Same thing for animals that you may have.
It is all just a guess unless you test and it costs just $150. There is zero reason not to test. It could save you tons of work and money, or even save your life.
Dakota Miller wrote:
D Nikolls wrote:I use a system with a 50micron, 10/1 micron, 0.5 micron in series, followed by a Luminor GUV-4S LED UV treatment.
I run it at well under 1GPM, into a 40 gallon stainless tank that gravity feeds the sink. Sink is the only water source in the tinyhouse.
I like the energy efficiency of the very small UV system that I can use with such low flow, and batch filtering keeps power usage super low.
Your system sounds pretty good to me; I haven't used a RO system before for comparison..
I would want to hit the shower water with 1micron/UV, personally. I usually take my mouth with me into the shower, so it just seems less worrisome to treat that water like it might meet my mouth.
Main issue in my system that may also pertain to yours; first flush diverter and coarse filtration before the main storage tank. I have a first flush diverter using a screen at the intake, a float to divert water to tank when diverter full, and a small weep hole to allow it to drain slowly.
It sucks, it clogs in multiple ways, and it runs all the water over the accumulated debris. I will start from scratch on this part of the system next time round.
I am thinking covered gutters, centrifugal first flush diverter, and a barrel sand/gravel filter before storage.. time will tell.
Ok. I think I found the same unit. The specs me it
(30 mJ/cm2 at 95% UVT) 0.6 GPM
(40 mJ/cm2 at 95% UVT) 0.4 GPM
So it looks good.
I'm wondering if I set up a low flow rate UV system, how would it affect the physical filters? If I recall correctly the standard Culligan candle style filters need at least 20gpm to work properly? Maybe I need some sort of flow/pressure regulation between the prefilters and RO. And between the RO and UV.
'Theoretically this level of creeping Orwellian dynamics should ramp up our awareness, but what happens instead is that each alert becomes less and less effective because we're incredibly stupid.' - Jerry Holkins
How does that sailor get water from the ocean, because he can't always take enough water with them, or the stored water becomes sickly.
John Daley Bendigo, Australia The Enemy of progress is the hope of a perfect plan
Benefits of rainfall collection https://permies.com/t/88043/benefits-rainfall-collection
GOOD DEBT/ BAD DEBT https://permies.com/t/179218/mortgages-good-debt-bad-debt
Hannah Shaw wrote:
Testing first makes sense. It tells you:
What contaminants are actually present
At what concentration
Whether you even need treatment
And if so, what type and capacity
Overfiltering is a real issue too. Stripping out everything can impact taste and remove beneficial minerals, which affects both people and pets.
For ~$150, getting a proper water analysis seems like the smartest starting point. It removes assumptions and helps you choose a solution based on data â not marketing claims.
Test first. Then treat accordingly.
Hannah Shaw wrote:
Steve Zoma wrote:I am not seeing your water testing results.
A RO system that takes care of 12 mg/liter is great if you have 7 mg/liter, but if you have water that has 23 mg/liters you got contaminated water after you treat the water.
All the builder placard shows is the percentage that is removed at a certain level. I have no idea what your actual levels are: it may be higher, it may be lower?
You are putting the cart before the horse. You test your water to find out what you have for bad stuff in it. Then you obtain a water filtration system to take out what you don't want. You may not need any filtration system. You may need far more than you think. But if you overfilter then you end up drinking foul tasting water because the good minerals are not left in it and your own health suffers. Same thing for animals that you may have.
It is all just a guess unless you test and it costs just $150. There is zero reason not to test. It could save you tons of work and money, or even save your life.
Youâre absolutely right â without actual water test results, everything else is just guessing.
A spec sheet showing âremoves up to X% at Y mg/Lâ doesnât tell you whatâs really happening in someoneâs home. If your source water is 7 mg/L, a system rated for 12 mg/L might be fine. If itâs 23 mg/L, that same system could leave you with levels youâre not comfortable with.
Testing first makes sense. It tells you:
What contaminants are actually present
At what concentration
Whether you even need treatment
And if so, what type and capacity
Overfiltering is a real issue too. Stripping out everything can impact taste and remove beneficial minerals, which affects both people and pets.
For ~$150, getting a proper water analysis seems like the smartest starting point. It removes assumptions and helps you choose a solution based on data â not marketing claims.
Test first. Then treat accordingly.
Why do I feel like I have to defend myself.
John Daley Bendigo, Australia The Enemy of progress is the hope of a perfect plan
Benefits of rainfall collection https://permies.com/t/88043/benefits-rainfall-collection
GOOD DEBT/ BAD DEBT https://permies.com/t/179218/mortgages-good-debt-bad-debt
John C Daley wrote:
I dont believe anybody is asking you to justify your quest.
In australia, water off metal rooves are generally not tested because of common prior knowledge.
Bird, rat and possum detritus is dealt with by the first flush and storage time in a big storage tank.
Does storage time get ride of the detritus somehow?
John Daley Bendigo, Australia The Enemy of progress is the hope of a perfect plan
Benefits of rainfall collection https://permies.com/t/88043/benefits-rainfall-collection
GOOD DEBT/ BAD DEBT https://permies.com/t/179218/mortgages-good-debt-bad-debt
John C Daley wrote:
How does that sailor get water from the ocean, because he can't always take enough water with them, or the stored water becomes sickly.
from google
Sailors in the 1700s primarily obtained water by filling large wooden casks at ports, supplementing this with collected rain, and rationing it strictly.
Distillation may be the only way that will work for you.
John C Daley wrote:
Does storage time get ride of the detritus somehow?
Detritus is the lumps, poo, leaves, nuts twigs etc, they are best removed with first flush diverters and or course filters such as leaf traps.
Water sitting in a sheltered tank with access to oxygen will clean itself.
Fine particles called fines, will simply settle to the bottom.
Most other issues just improve with time and oxygenisation.
Dakota Miller wrote:
John C Daley wrote:
How does that sailor get water from the ocean, because he can't always take enough water with them, or the stored water becomes sickly.
from google
Sailors in the 1700s primarily obtained water by filling large wooden casks at ports, supplementing this with collected rain, and rationing it strictly.
Distillation may be the only way that will work for you.
Yeah I'm considering destillers. At least the limitations are pretty inarguable. I know exactly what will evaporated and what I need to physically filter.
1700s sailors were built different. Lol. Most modern boats have a BEEFY RO system. (That's why I chose RO instead of destilling) Plus any other add-on filter they like. I'm looking very critically at the katadyn survivor 40E. It's over built and over priced for ground water. But it's built to be used as a complete system. The company expects that their customers will drink the water straight out of the system. They can't afford to cut corners and play with false claims because they'd end up with very sick, lawsuit-happy, customers. But apparently it a go-to in the long distance ocean traveling group when storage is only a temporary solution. You can repair most the parts yourself with common tools and such. They generally use an RO system to purify sea water. Dump it in a holding tank and test it on boat. If it tests good they put it in the main tank to drink. The only thing they have to be concerned about is oil and red tide. And those can be seen visually in the water.
Steve Zoma wrote:If I just had sea water issues, I would distill, but sadly I also have incredibly high iron so distilling would actually make my water worse.
Steve Zoma wrote:
That is NOT correct.
I live on an island far out to sea where my well's are compromised by sea water and can be affected by red tides. None of that can be visually seen in the water.
I have looked into RO for seawater because of the sea water in my house-system, but what RO system I use for desalination is very different. If the water is over 2000 mg/liter it is considered sea water and takes a special robust filtration system, and if under that it takes another. As desalination is being carried out, it constantly has to be adjusted, and that is just for desalination. Too much pressure and it strips the water of minerals, not enough and you get salty water. This is a VERY real issue for me and I have conducted a lot of research on how I can get good water here. The quote I got from professionals has been the most expensive system they ever saw: $45,000 with (3) whole house RO systems to get out all the problems I have to go from undrinkable to drinkable.
If I just had sea water issues, I would distill, but sadly I also have incredibly high iron so distilling would actually make my water worse.
You do not have it quite that bad, but you can use the information that I have learned to set yourself up to be better off. Water is life and it pays to do things right.
My neighbors do not treat their well water because it is too expensive to filter so they instead have rain catchment systems. But they test their water. I am on the east coast so may be different than you, but the rate of cancer here is the highest in the nation per capita. I myself have cancer, and it is because of the topography and jet stream. In short, bad shit comes here when it rains.
Yes, water testing will change with every rainfall, but you get an average of what is in the water.
No one person on this forum is smarter than all of us put together, but you are indeed right. You do not have to justify your water filtration system to anyone. I am not affected by what you do with your water system, but when I hear of blanket statements like "you would see bad water", for the sake of others who might read this thread, I feel obligated to say in a kind manner, "I'm not sure that is the case". Myself and others can explain this in many different ways, but we cannot make you understand it. However, we can only hope that others who read this thread do and keep themselves safe.
Drinking water is the key of life. Best to do things right, not guess.
Dakota Miller wrote:TOO LONG DIDN'T READ: here's the basic setup. I'm certain I'm missing something. I expect to be corrected. Could you please explain why if you correct? I like to continue learning the why and how of what I'm doing. đ
Raw rain water in Settle tank
--->Output for animal water.
10 micron washable
5 micron washable
---> Output for non-potable basic cleaning. Shower, mopping, etc (Everywhere but in the mouth or in the food)
1 micron washable
.5 - .1 micron
Aquatru undersink RO https://aquatruwater.com/product/under-sink-water-purifier
UV LAMP VIQUA VH150 UV System https://www.freshwatersystems.com/products/viqua-vh150-whole-home-uv-water-disinfection-system
clean potable water output
---> To small distiller for CPAP use.
Water finishers if I wish
Small water storage for in cabin use, sink, etc. (~5 gallons).
LONG STORY
I'll put the big filter set up ahead of the ro system to get the water as clean as possible for RO system. It feels to me more logical to invest in washable filters so I can reduce the wear and tear on the RO system as much as possible by back washing or swapping rinsed filters periodically. Makes it easier to keep the sensitive RO membrane in good condition.
I have decided on the Aquatru undersink RO for this setup.
I'm using the UV lamp to catch any escaping bacteria from the RO filter. The RO filter should do it's job just fine. The UV filter is a extra precaution. A thorough UV should be rated NSF/ANSI 55 Class A. But since I have so much filtering already done I figure a Class B at 30mj/cm2 won't be a problem. AND. If I can figure out how to run the water through the UV system aat 3.5 gpm it will effectively act as a Class A at 40mj/cm2.
I do have a solar set up. But my first goal is potable water. I'll figure out how to power it and make adjustments after I solve the water problem.
I couldn't find anything specifically about water treatment. So I hope rain catches is the correct forum area.
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