Ala. Admin. Code r. 420-3-1-.30

Current through Register Vol. 42, No. 8, May 31, 2024

Section 420-3-1-.30 - Innovative EDS

(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.

Ala. Admin. Code r. 420-3-1-.30

Filed July 20, 1988. Amended: Filed June 19, 1992. Repealed and New Rule: Filed December 16, 1999; effective January 20, 2000. Repealed and New Rule: October 20, 2005; effective November 24, 2005; operative March 19, 2006.

Adopted by Alabama Administrative Monthly Volume XXXV, Issue No. 04, January 31, 2017, eff. 3/5/2017.

Adopted by Alabama Administrative Monthly Volume XLI, Issue No. 03, December 30, 2022, eff. 2/13/2023.

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.