25 Pa. Code § 73.12 - Site location
(a) A
proposed absorption area or spray field having the following characteristics
shall be considered unsuitable for the installation of an onlot system or an
individual residential spray irrigation system and a permit shall be denied
where:
(1) The slope of the proposed
absorption area or spray field is greater than 25%.
(2) The area is identified by completed
Federal Flood Insurance mapping as a floodway. Where there is no flood mapping,
a flood way extends 50 feet from the top of the stream bank as determined by
the local agency. This paragraph is not applicable to spray fields.
(3) One or more rock outcrops exist within
the proposed absorption area.
(4)
In areas underlain by limestone, depressions left by earlier sinkholes exist
either in whole or in part within the proposed absorption area or spray
field.
(b) Absorption
areas or spray fields may not be placed in or on fill unless the fill has
remained in place for a minimum of 4 years to allow restoration of natural
permeability. The fill shall be composed of clean mineral soil and meet the
provisions of §
73.14 (relating to site
investigation).
(c) Absorption
areas or spray fields shall be sited only in or on undisturbed soils.
Notes
The provisions of this § 73.12 amended under section 9 of the Pennsylvania Sewage Facilities Act (35 P. S. § 750.9); The Clean Streams Law (35 P. S. §§ 691.1-691.1001); and section 1920-A of The Administrative Code of 1929 (71 P. S. § 510-20).
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
No prior version found.