-4Other Environmental Aspects Sewage Disposal During Clean-Up The proposed discharge of raw sewage is of serious concern to EPA. The Trust Territory standards of water quality do not permit raw sewage discharges into surface waters. Although the discharge may not be subject to TTPI jurisdiction, it would be inappropriate for a Federal agency to carry out a discharge contrary to TTPI policy. In addition, the raw sewace may result in public health hazards to any users of these waters. Tt 1s possible that these crude sanitary facilities may continue to be used for years. The later stages of clean-up may well occur after many of the Enewetakese have returned. There 1S 4@ possibility that some tourism will develop and the environmental statement mentions that these existing facilities could be used. EPL recommends that some form of sewage treatment be provided for the wastewaters generated by the clean-up personnel and subseguent visitors to the atoll. Garbace and Trash Disposal During Clean-Up Garbage and trash of the islanc for be an aprropriate interfer with the water suprliv residve should not be dumped off the end the same reasons noted above. Burial may method of disposal provided it does not brackish water lens that may be used for Water Supply and waste Disposal at Tne plan to extensively use roof catchment with terns at cDoc will large cisinéividuai residences and community buildings is However, be neeaed it is probable that supplemental supplies Plans to use septic. tank leach fields ana to bury carbace must be evaluated with great care due to the potential te contaminate the brackish water lenses which may serve as the source of supplemental water supply. The environmental statement should discuss this serious potential conflict and present evidence that wastewater ana Pa Uy ae, Ci Garbage disposition will not degrade the drinking water supply. The Department of Health Services, Environmental Health Division of the Trust Territories should have a fundamental role in deciding on the water supply and waste disposal systems that are selected.