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Old 07-28-2015, 06:52 AM   #1
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Pumping Lake water to cottage


Hello, I recently purchased a cottage that was never finished, it currently has a 3/4 HP deep well pump set into the lake with a 1" plastic line going up to the property connected to nothing. My question is how do finish it off at the house...

I am assuming check valve, pressure switch, pressure tank, then hot water tank? Would this be the proper order? Also where would I place my filter?


Any advice is greatly appreciated
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Old 07-28-2015, 07:29 AM   #2
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I'm assuming you're using this as graywater or non-potable water?
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Old 07-28-2015, 07:34 AM   #3
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Absolutely. Flushing toilets ect. No drinking
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Old 07-28-2015, 07:42 AM   #4
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Your set up sounds great.

Pump - pressure tank - switch
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Old 07-28-2015, 08:51 AM   #5
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Why a hot water tank on a gray water system?
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Old 07-28-2015, 10:42 AM   #6
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I would assume hot water is for bathing/showering.
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Old 07-28-2015, 11:35 AM   #7
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Quote:
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I would assume hot water is for bathing/showering.
Not what gray water is used for. I would not be filling a hot water heater with lake water. That pump from the lake should only be used for watering grass.
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Old 07-28-2015, 11:37 AM   #8
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Talked with most of the neighbors and they all say they use the water to bathe/shower. Some are even year round
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Old 07-28-2015, 11:40 AM   #9
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Quote:
Originally Posted by jwalters2112 View Post
Talked with most of the neighbors and they all say they use the water to bathe/shower. Some are even year round
Will never pass a code inspection.
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Old 07-28-2015, 04:58 PM   #10
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There are many recreational lakes throughout the US with cabins/cottages and houses on them that get their water supply directly from the lakes. Some of the more sophisticated ones use a chlorination system but many just use the water as is with simple filters and use bottled water for cooking and drinking.

Heres a vermont government link focused on drinking water that says it's ok to just treat the drinking water and not the rest.
http://healthvermont.gov/enviro/water/lake_river.aspx

Quote:
"Some people treat only the kitchen tap water for drinking. An option in this case is to use reverse osmosis followed by ultraviolet light or a small distillation unit."


Here's another government link that says 250 of it's households draw water directly from a lake:
http://www.cob.org/services/environm...treatment.aspx
Quote:
"Approximately 250 households that draw water directly from the lake."

If the lake is ok for swimming in then it's ok for bathing and other houshold use except ingestion. If you're going to ingest it then test it and use appropriate filtration/treatment.

Last edited by jogr; 07-28-2015 at 05:16 PM.
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Old 07-28-2015, 05:32 PM   #11
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Quote:
Originally Posted by jwalters2112 View Post
Hello, I recently purchased a cottage that was never finished, it currently has a 3/4 HP deep well pump set into the lake with a 1" plastic line going up to the property connected to nothing. My question is how do finish it off at the house...

I am assuming check valve, pressure switch, pressure tank, then hot water tank? Would this be the proper order? Also where would I place my filter?


Any advice is greatly appreciated
I installed my filter last, after pump, pressure tank / switch and sediment tank. No above ground check.
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Old 07-28-2015, 06:08 PM   #12
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So you used steel pipe that's going to rust out from the inside and close up, and reducing the flow, and have all the trash dumping into the pump and pressure tank instead of filtering first? Not a great plan.
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Old 07-28-2015, 06:20 PM   #13
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No one knows where your located so your going to get well meaning advice on using lake water.
I also have seen it done many times in NH.
When you can drop a quarter off a dock in 10 ft. of water and see it hit the bottom.
Anyone drink Poland Springs water? It comes from Sebago lake ME.
They allow swiming, boating, Sea Boats, but it's still the town water supply.
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Old 07-28-2015, 06:44 PM   #14
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Quote:
Originally Posted by joecaption View Post
So you used steel pipe that's going to rust out from the inside and close up,
It is a code approved pipe material.....
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Old 07-28-2015, 09:26 PM   #15
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Have a cottage with lake water as source. It is plumbed just like a regular house. Water is used in all sinks toilet, shower. It is just not used to drink.
The plumbing should be from the pump into a pressure tank. Out of tank to all your fixtures, water tank etc.
Pressure switch should be somewhere on the line right before the pressure tank. Switch and wiring will depend on the type of pump you have.
The check valve should be at the bottom near the pump.
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