Building an Outhouse

If you're establishing a homestead in a remote area, building an outhouse is something you'll probably want to do in short order. A properly managed privy is at least as healthful for people and land as a septic system.
By Elizabeth Allyn
March/April 1972
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You can choose between pit-style or surface style when building an outhouse. This is a surface outhouse.
ILLUSTRATION: MOTHER EARTH NEWS STAFF
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One of the very first and most important buildings needed on a remote homestead is a privy, which isn't as complicated to construct and maintain as you might have imagined. Both the surface privy and the pit outhouse are simple, straightforward, and easy to understand. As long as you follow some general rules for building an outhouse, you can hardly go wrong modifying either type to suit your own particular materials, skill, or location.

A properly managed privy is at least as healthful for people and land as a septic system and is far more than a place to evacuate waste. Ours is a sanctuary in which to be quiet with no one to ask why you aren't busy; to think or read with no one waiting to get in to shave; to watch a small, pretty piece of the day pass outside (one of the clapboards on our outhouse has a crack that's perfect for viewing through, like Arctic sunglasses). It's a place where body and self are at peace with the rest of the natural world.

Old homestead backhouses were typically screened by a spreading lilac and "going out to smell the lilacs" has long been a useful euphemism in our family. Our antique accommodation was also christened "The Reading Room" by my father for its quantity of old catalogs and magazines and it is next to impossible—while selecting a page of the right texture not to get interested in an article from an old Ohio Farmer or Saturday Review.

To make a page useful beyond its own printed words, we always crush and roll it in our hands. That softens the paper and distributes pressure. Even slick, colored pages can be made fairly efficient and safe this way. Newspapers are better aged until the ink is thoroughly dry. Old telephone books are splendid. For that matter, no one will disqualify you for using commercial toilet paper in an outhouse. It doesn't provide much in the way of reading matter but it is comfortable and does disintegrate rapidly.

I suppose open-pit privies are necessary for the great numbers of people who visit parks and other remote locations, but I find such designs disagreeable. Our old Reading Room located on a gentle hillside of sandy loam is kept healthy by earth, air, bacteria and regular doses of ashes or lime.

Wood ashes are best. If every use of an outhouse is topped by a cupful of them, the building will always have sweet earth smell with never an odor. Coal and trash ashes are almost as good. Superfine agricultural quicklime does a fair job too if you don't mind the strong smell of lime hovering around.

The advantage of the Reading Room's slope setting become apparent at cleaning time (about once every two months for family of two). There is an eighteen-inch space between the ground and the first board on the back of the building from which we rake the accumulated waste with a strong, old garb rake saved especially for the job. A few inches of each peak (we try to give our "three holer" balanced use) comes off in a mass that's the least pleasant part of the operation — and the rest is just gardening. Under the peaks, the material is as mellow as good garden soil (when covered with wood ashes), very grainy (coal ashes) or a bit lumpish (lime).

We rake the privy's contents down the slope, cover the peaks with the rest, and sprinkle it all again with ashes and earth. About once a year we load the plateau of compost on the spreader and take it out to the fields or haul it by cart to the garden where it's used as top dressing. It's only work... the material smells like sweet earth.

Building the Outhouse

Second, build a wooden form in which you can pour a concrete ring sill that is four inches thick, with outside dimensions of 4'10" x 4'10", and that has a hole in its center measuring 3' 8" x 3' 8". Pour the ring sill and center and level it over the excavation.

Next, build another form in which a slab of concrete four feet square and 2 1/2" to 3" thick may be poured. If this slab is poured flat, a wooden riser box with cover will have to be constructed and mounted on the slab later. The riser may also be made of concrete and poured as part of the stab.

All concrete, of course, should be suitably reinforced with steel rod with eye and anchor bolts embedded in the sill and slab as needed.

Cover the privy with sound siding, and paint it inside and out. Corrugated metal roofing may be used on top of the outhouse, or the structure may be topped with roll roofing.

You may prefer to build in adjustable ventilation such as screens-with-covers, leave an unadjustable 4" vent space across the front and back of the privy, or in the case of the less fragrant (with the regular addition of wood ashes) surface privy, cut only a small, traditional, new moon or star in the door. It's six of one and half a dozen of the other, depending on the climate of your region. Remember that less vents also mean less light inside the building. Screens-with-covers are the best all-round approach.

The outbuilding should be framed in with 2 x 4's and a vent built for the pit. This vent may extend above the roof line, or merely run out the back of the house.

NOTE: These instructions are purposely a little loose because there is no "one best" way to build a privy. As long as you strictly follow the general rules you should be OK.

General Rules for Building Outhouses

(1) A privy should always be located so that it will not pollute any domestic water supply. Generally this means that the outhouse should always be on the downgrade side of the water supply and at least 100 feet from it.

(2) The outbuilding should be of adequate capacity, well designed, substantially built and easy to maintain in a sanitary condition.

(3) The best privies are fly-tight and constructed to remain that way. Flies and mosquitoes which breed on human waste can carry typhoid fever, dysentery, and other bad news. Pit Privy mosquitoes can be controlled by pouring a cup of kerosene into the cavity every ten days or so.

(4) Both the excavation and building of pit-type outhouse must be properly vented to prevent odors. Surface privy odors can be controlled quite effectively by sprinkling a cup of wood ashes over every fresh stool.

(5) Make a lid for each outbuilding "seat" and keep the lids in place at all times the privy is not in use.

(6) Never dump garbage or other waste into a privy.

(7) Surface privies must be raked clean at regular intervals and the waste properly disposed of. When the hole under a concrete slab pit privy is filled to within 18 inches of the surface, the house should be moved over a new hole and th old excavation filled with clean dirt.


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Post a comment below.

 

T BRANDT
12/3/2011 5:04:50 PM
I saw the humor in your comment. You're also right about the rarity of those diseases and it's not like that pit is going to be the only breeding pool for mosquitos on the property. Then again, John's comment is perfectly true, too. The TreeHuggers can always ease their consciences by using olive oil if they feel a need to supress the bugs. It would work just as well.

JOHN SEALANDER
12/2/2011 4:40:07 PM
OH pleeeese! I hardy think that 2.28 gallons of Kerosene per YEAR, as an effective and relatively benign insecticide, qualifies as "addictive use of petroleum products". Particularly when the average American uses 2.8 gallons of petroleum per DAY (CIA Factbook, 2003 data) That's 2 barrels per person per month (it's a 42 gallon barrel) or 1022 gallons annually. You're objecting to 2 one thousands of a percent increase in annual usage? Really? On our farm we use less than 35 gallons of gasoline per year for our tilling and material transport (with a lawn tractor and trailer), chain saw, weed eater, etc; produce a large amount of our own food (including meat), including some to sell at the Farmer's Market. Since one barrel of sweet crude produces about 20 gallons of gasoline, how many barrels did you burn through last year in your car? Mostly we buy sugar, salt, cooking oil and some other food basics at the grocery and are more self-reliant and independant of 'the system' than most folks. Give us all a break...Petroleum products will never 'go away'; I would be delighted to use something less poisonous that will break down into it's carbon basis and safely recycle that human waste on my fields. And terrible diseases are only rare when you're not the one getting them. My hat's off to the author for some really useful information. Learn to love carbon, it's who you are!

tmjoint young
12/2/2011 12:16:11 PM
C'mon... Kerosene? Gotta get away from the addictive use of petroleum products. Caulk the thing well and deal with some bugs. Besides... the diseases you mention are rarely if ever in North America.

Bob Loveless
2/9/2009 5:50:21 PM
Years ago a man named Chick Sale wrote a small book titled "The Specialist", who built privies. Some of his specifications for a good privy were: it should have a lean-to roof, rather than peaked, because there would be two less corners for the wasps or "mud daubers" to build in; It should face East so that the morning user could enjoy the warmth of the morning sun; and the door should swing inwards so that the user could kick it closed quickly if someone approached while he/she was enjoying the morning sun. I don't remember other specs. Sorry.








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