AN ACT TO DISAPPROVE THE MITIGATION PROGRAM REQUIREMENTS FOR PROTECTION AND MAINTENANCE OF RIPARIAN BUFFERS RULE ADOPTED BY THE ENVIRONMENTAL MANAGEMENT COMMISSION, DIRECT THE ENVIRONMENTAL MANAGEMENT COMMISSION TO ADOPT A NEW MITIGATION PROGRAM REQUIREMENTS FOR PROTECTION AND MAINTENANCE OF RIPARIAN BUFFERS RULE, AND AMEND WASTEWATER DISPOSAL SYSTEM REQUIREMENTS.
House committee substitute makes the following changes to the 3rd edition:
Changes the short and long titles.
Enacts new GS 143-215.1(a7) providing that for high rate infiltration wastewater disposal systems that utilize nonnative soils or materials in a basin sidewall to enhance infiltration, nonnative soils or materials in the sidewall cannot be considered part of the disposal area when (1) in addition to requirements in GS 143-215.1(a4), the treatment system includes a mechanism to provide filtration of effluent to 0.5 microns or less and all essential treatment units are provided in duplicate; (2) particle size analysis in accordance with ASTM guidelines for all native and non-native materials are performed, with 75 percent of all nonnative soil materials specified having a particle size of less than 4.8 millimeters; (3) nonnative materials comprise no more than 50 percent of the basin sidewall area; and (4) systems meeting the standards set out in the specified subdivisions of this subsection are considered non-discharge systems and the outfall of any associated groundwater lowering device is considered groundwater, provided the outfall does not violate water quality standards.
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