No. 6. 



DEPARTMENT OP AGRICULTURE. 



361 



Now the waste waters could be easiest disposed of by turning it 

 into a stream. There is a slight objection to this. It is against the 

 law, and is not allowed unless the State gives permission, this is 

 usually denied. If one small home could and did turn the sewage into 

 a stream others would want to. If the stream is used for domestic 

 purposes further down, the sewage might cause an epidemic of dis- 

 ease. One house might cause 5,000 cases of typhoid. We are too 

 civilized to do this, then what shall we do? We will build a cess- 

 pool that will hold all the sewage until it is purified. It should be 

 built in porous soil near the surface of the ground, so the outlet 

 will pass through the first foot of soil, the upper layer of soil being 

 more open and contains more bacteria. The garden is a good place to 

 run the outlet pipe but right under the sod of the lawn is the very 

 best place. 



■••'V 



FAllM CESS POOL. 



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(}(>y(.^i»^TE" 



«XaX3 FT. 



This cesspool will cost about |5 if the farmer can build it himself, 

 and will require 1 load of farm stones, not too hirge; one load of 

 gravel, not too coarse; and 5 sacks of cement. This builds a cess- 

 pool G X 3 X 3 feet, and large enough for a family of five or six persons. 

 The cover should be tight, a slab of stone or of cement with seven to 

 nine inches of soil on top, and should not have any ventilating pipe, 

 as the bacteria that work in it are the kind that work without air 

 only. This tank is in effect a settling tank, and can be built of any 

 size, shape or material so long as it is large enough to hold one 

 day's sewage of the family, and so long as the sewage comes in so 

 slowly that the solids have time to settle to the bottom of the tank, 

 it will do all that is expected of it. The tank should be connected 

 to the house by a four inch tile drain, every joint cemented and 

 rubbed smooth on the inside. This should be 24 feet long and have 

 a tilt of one-half inch per foot. It enters half Avay up the side of the 

 tank. The outlet is at the top of the tank and should be of four 

 inch tile laid with open joints, so the clear water that passes out 

 can pass into the soil at each point. This drain should be from 40 

 to 80 feet long, depending on soil, laid on a tilt of one thirty-second 



