Current through Register Vol. 42, No. 11, August 30, 2024
(1) An
Innovative EDS may be used for dwellings, not part of a Large-Flow Development,
in situations where:
(a) The site has vertic
soil characteristics or a permeability of greater than 240 MPI. For the minimum
number of soil tests required, see Table 19.
(b) Design flow shall not exceed 1,800 GPD
per lot.
(c) Slope within the
discharge area shall not exceed 12 percent.
(2) The engineer shall incorporate the
following in all Innovative EDS designs:
(a)
The effluent discharge shall meet additional setback requirements in Table 6
and shall not cause a public health nuisance.
(b) Ponding and run-off in the discharge area
shall be prevented by evenly distributing the effluent and providing a
vegetative cover. Multiple discharge areas may be utilized to meet these
requirements,
(c) The sewage shall
be treated to the secondary effiuent standard or better,
(d) The effluent shall be disinfected to the
NSF/ANSI Standard 46, treated to the NSF/ANSI Standard 350, or disinfected by
other ADPH approved methods.
(e) A
sampling port shall be installed after disinfection and prior to
discharge.
(f) The effluent shall
not escape the lot where generated.
(g) Final grading of the site shall divert
storm water around the discharge area(s).
(h) Construction standards and materials
shall comply with the applicable sections found in
420-3-1-.58 Gravel Field Standard
Construction Specifications.
(3) No Permit to Install shall be issued for
an Innovative EDS until after a review and concurrence by the LHD and
ADPH.
(4) In the event that an
existing EDS cannot be repaired or relocated and no longer meets the conditions
of this rule, an OSS shall be installed.
Authors: Thad Pittman, Matthew Conner, Ken
Stephens, Bob Bright
Statutory Authority:
Code of Ala.
1975, §§
22-2-2(4);
22-2-2(6);
22-10-1, et
seq.; 22-26-1, et seq.
