(A) When percolation tests are required before a subsurface absorption field is installed, a minimum of three test holes distributed evenly over the proposed lateral field are required. The Health Officer may require as many additional percolation test holes as may be deemed necessary to determine the acceptability of the site.
(B) Percolation tests, when required, shall be performed by a person acceptable to the Health Officer.
(C) The square feet of subsurface absorption field shall be as specified in Table IV.
Table IV: Data for Determining Square Feet of Absorption Area Needed per Bedroom for Absorption Trenches | |
Time in Minutes for to Fall 1 Inch | Effective Absorption Area in Square Feet Needed in Trench Bottom per Bedroom |
Table IV: Data for Determining Square Feet of Absorption Area Needed per Bedroom for Absorption Trenches | |
Time in Minutes for to Fall 1 Inch | Effective Absorption Area in Square Feet Needed in Trench Bottom per Bedroom |
3 minutes or less per inch | 100 sq. ft. per bedroom |
4 minutes per inch | 115 sq. ft. per bedroom |
5 minutes per inch | 125 sq. ft. per bedroom |
10 minutes per inch | 165 sq. ft. per bedroom |
15 minutes per inch | 190 sq. ft. per bedroom |
30 minutes per inch | 250 sq. ft. per bedroom |
60 minutes per inch | 330 sq. ft. per bedroom |
Over 60 minutes | Unsuitable to absorption system |
(1982 Code, § 91.08) (Ord. passed 1-13-1967; Ord. passed 1-22-1979; Ord. passed 4-29-1985; Ord. passed 11-17-1986)