(A) Total field requirement shall be divided into two equal sections and provided with a diversion device equipped to provide alternate flow to each section of the field.
The diversion device and inspection ports shall be brought to grade and shall be provided with secured covers.
(B) Leaching field absorption area requirements for household sewage disposal systems shall be adequate to prevent water pollution or a nuisance, except those sites eliminated by rules 3701-29-01 to 3701-29-21 of the Administrative Code(Ohio Sanitary Code).
(C) The minimum distance between any leaching lines shall be six feet.
(D) The minimum distance between any leaching line and any drain line located on the lot shall be eight feet.
(E) A leaching trench shall have a minimum of twelve inches of clean gravel or stone fill, extending at least two inches above and six inches below the leaching line; such fill shall be three-fourths inch to one and one-half inches in size.
(F) A leaching trench shall have a minimum width of eight inches. The depth shall be a minimum of eighteen inches but not more than thirty inches.
(G) A leaching line shall have a maximum length of one hundred-fifty feet.
(H) A leaching line shall have a minimum diameter of four inches and shall have a relatively level grade. The grade shall not exceed a fall of three inches in fifty feet.
(I) The top of the gravel stone fill shall be covered with a pervious material such as untreated paper or a two inch layer of hay, straw, or similar material before being covered with earth.
(J) The land surface shall be graded so as to exclude surface drainage from the household sewage disposal site.
Promulgated Under: 119.04
Statutory Authority: Sec. 120.02 of Am. Sub. HB 119 (127th G.A.)
Rule Amplifies: Sec. 120.02 of Am. Sub. HB 119 (127th G.A.)
Prior Effective Dates: 7/1/1974, 7/1/77