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Living Green(er) #11: Grey Water - Option 3

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Blog entry by MsDebbieP posted 126 days ago 612 reads 0 times favorited 16 comments Add to Favorites Watch
« Part 10: not gardening .. but ... Part 11 of Living Green(er) series Part 12: Bokashi Composting »

January 13/12

Inspired by this posting by bucheron and ideas shared by daltxguy in response to last blog on greywater, I spent some time this morning looking at options re: filtering the grey water coming from the shower.

Initially I was just using a watering can to transport the water to the thirsty plants. Then I added a dripline system but we haven’t used it because of the realization that the lines would be clogged up from the dirty water. There has been lots of options tossed around: some are too extensive for my gardens that have already been established; some are too labour-intensive to drag Rick into helping with.

“But” the ideas keep flowing and I keep surfing the net to find something that would work for me.

I found this site today ( http://ecoexist.net/archives/61 ) which uses a bucket, some gravel/sand and the duel-filters for a koi pond. It looks effective, efficient, and easily set-up and maintained.

I now have two options high on my possibilities list.

1. A simple bucket filtration, entering into a rain barrel, and leading into the dripline system.
I wasn’t sure how fast the water would drain out of the barrel in comparison to entering it and so I thought the rainbarrel step would be a good idea. If I added rocks and sand to the rainbarrel, as well, I would have a double filtration system and water could be stored for “a good soaking” every other day rather than a quick drink on a daily basis.

2. A marshland: the bucket filtration enters into a partly submerged holding tank that contains gravel and sand … and plants. The plants would be an additional source of filtration plus it would look intriguing in my yard.
Because I am using gravity to force the water through the above-ground driplines, the pipe exiting the marshland would have to be above ground. Partly submerging this holding tank would enable me to create an aesthetically pleasing environment around it.
My concern is the water sitting below the drainpipe. Would it become too stagnant? Would the roots of the plants take care of that issue? If the drainpipe of the filtration bucket is dropped to the bottom of this second storage unit, would the waterflow naturally move the water to eliminate possibilities of stagnation? This is where my mind comes to the end of its scientific knowledge and I rely on my friends to help me out.

I also have to consider the winter months. What do I do about freezing? The predicted frostline in our area is 3-4 feet deep. Do I need to keep the bottom of the storage area this deep? (I won’t be collecting the greywater during the winter months.)

Thoughts? Options? Cautions? Devil’s Advocate?

-- - Debbie, SW Ontario Canada (USDA Hardiness Zone: 5a)



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MsDebbieP

13897 posts in 2137 days
hardiness zone 5b

gardening is a journey, a journey of learning how to connect with and support Mother Nature

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16 comments so far

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MsDebbieP

13897 posts in 2137 days
hardiness zone 5b

posted 126 days ago

and I have just remembered that I picked up a small fountain “pond liner” at a garage sale last year for $2. I didn’t know what I was going to do with it . but now I do!

Now it is a matter of “where”.
Below the bathroom window is our oil tank (furnace fuel) and the septic tank. The one downspout from the eavestrough also leads into an underground tile system. I will have to be creative.

-- - Debbie, SW Ontario Canada (USDA Hardiness Zone: 5a)

View TopamaxSurvivor's profile

TopamaxSurvivor

190 posts in 1439 days
hardiness zone 7b

posted 126 days ago

I would set it up with a two way valve to divert back to the septic during winter months.

View MsDebbieP's profile

MsDebbieP

13897 posts in 2137 days
hardiness zone 5b

posted 126 days ago

yes… septic system fall to spring.

-- - Debbie, SW Ontario Canada (USDA Hardiness Zone: 5a)

View jroot's profile

jroot

4812 posts in 1767 days
hardiness zone 5a

posted 126 days ago

Have two bathing areas. One for warm months feeding your grey water salvage system, and the other for cold month via the septic system. This has always been a concern of mine with what you are doing. Municipal bylaws might have some consideration as well. Like you, I have often wondered how I could use the clean water from the bath. I can’t be running pipes and pumps in the bathroom. The “War Department” would not approve, and yet, it does bother me to be flushing such good water down the drain … and paying for sewage treatment as well, when I could be using the water for my daily watering.

Keep at it, MsDebbieP. I follow this with interest.

-- jroot ....... Southern Ontario .......... grow zone 5A ...................."Gardening is an exercise in optimism." ....... . . Author Unknown

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TopamaxSurvivor

190 posts in 1439 days
hardiness zone 7b

posted 126 days ago

I talked to a Dept of Health guy when he was inspecting a septic system next door. He told me the current method here is to have 2 systems. The black water that goes into the “septic”. And a gray water system that goes into a shallow drain field which is basically for evaporation which is just watering the lawn.

View MsDebbieP's profile

MsDebbieP

13897 posts in 2137 days
hardiness zone 5b

posted 125 days ago

part of me questions the authority’s rules … do they come from not wanting to let go of past practices? or perhaps they are guided by corporate greed/consumerism? do they make the rules just because they can or just because of one random incident?

When doing my research I’ve tried to sift out what makes sense.
  • it makes sense to reuse the water before sending it off to … wherever
  • it makes sense that the grey water would have contaminates that need to be filtered out
  • it makes sense that the longer the water sits, the more contaminated it becomes via bacteria growth
  • it makes sense that you wouldn’t want to put the contaminated water directly onto plants you will eat

-- - Debbie, SW Ontario Canada (USDA Hardiness Zone: 5a)

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TopamaxSurvivor

190 posts in 1439 days
hardiness zone 7b

posted 125 days ago

I don’t know. they have been constantly changing the septic tank regs for 30 years. I believe a simple gravity flow system is nearly a thing of the past here. Of course there are million of people in the Seattle/Tacoma metro area using them without any sewer or treatment service. I’m really not sure what kind of problems have developed from that many septics in a relatively small area. Thank God you can drink the drippings out the end of a 50’ leech field ;-))

View MsDebbieP's profile

MsDebbieP

13897 posts in 2137 days
hardiness zone 5b

posted 125 days ago

so much to learn; so far to go; so much to do and undo.

-- - Debbie, SW Ontario Canada (USDA Hardiness Zone: 5a)

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TopamaxSurvivor

190 posts in 1439 days
hardiness zone 7b

posted 125 days ago

Hopefully no redo ;-))

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Jimthecarver

107 posts in 661 days
hardiness zone 8b

posted 122 days ago

I see no problem using grey water to irrigate. If its only going to trees or flowers that I have no intention of consuming.
If it is to be stored, that’s a completely different set of struggles to deal with. Treating the water with chlorine is ok as long as the chlorine is removed by letting it sit in open air for 24 hrs. before using.
I’m interested to see what you come up with.

-- JTC

View MsDebbieP's profile

MsDebbieP

13897 posts in 2137 days
hardiness zone 5b

posted 122 days ago

I’m pretty sure it is going to be the little “marsh” area. That will give us a double filtration process AND another little garden area to look at.

Now it’s just a matter of finding a spot for it to go… and wait for spring with the ground thaws.

-- - Debbie, SW Ontario Canada (USDA Hardiness Zone: 5a)

View jroot's profile

jroot

4812 posts in 1767 days
hardiness zone 5a

posted 122 days ago

MsDebbieP, you must read up on what Prince Charles has done at Highgrove, his favourite personal house. He has done what you are contemplating. In fact, he’s taken it even further. Of course he has financial resources which you and I do not, but the finished product is admirable.

-- jroot ....... Southern Ontario .......... grow zone 5A ...................."Gardening is an exercise in optimism." ....... . . Author Unknown

View MsDebbieP's profile

MsDebbieP

13897 posts in 2137 days
hardiness zone 5b

posted 122 days ago

oh how nice it is to be compared to royalty lol even if we are talking dirty bath water ;)

I will look it up. Thanks

-- - Debbie, SW Ontario Canada (USDA Hardiness Zone: 5a)

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MsDebbieP

13897 posts in 2137 days
hardiness zone 5b

posted 122 days ago

http://www.ciwem.org/policy-and-international/current-topics/water-management/reed-bed-wastewater-treatment.aspx
the reed bed system

-- - Debbie, SW Ontario Canada (USDA Hardiness Zone: 5a)

View jroot's profile

jroot

4812 posts in 1767 days
hardiness zone 5a

posted 122 days ago

LOL They are filtering dirtier water than your bath water, for sure. The reed bed is a significant part of the process at Highgrove. Amazing plants.

-- jroot ....... Southern Ontario .......... grow zone 5A ...................."Gardening is an exercise in optimism." ....... . . Author Unknown

View MsDebbieP's profile

MsDebbieP

13897 posts in 2137 days
hardiness zone 5b

posted 121 days ago

it sounds very impressive.

-- - Debbie, SW Ontario Canada (USDA Hardiness Zone: 5a)

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