Alternative technology.
(4) Alternative technology. Proven wastewater treatment processes and techniques which provide for the reclaiming and reuse of water, productively recycle wastewater constitutuents or otherwise eliminate the discharge of pollutants, or recover energy. Specifically, alternative technolgy includes land application of effluent and sludge; aquifer recharge; aquaculture; direct reuse (non-potable); horticulture; revegetation of disturbed land; containment ponds; sludge composting and drying prior to land application; self-sustaining incineration; and methane recovery.