EVAC can be toxic to fish. Do not discharge effluent containing EVAC into lakes, streams, ponds, estuaries, oceans, or other waters unless in accordance with the requirements of a National Pollutant Discharge Elimination System permit and notification of the permitting authority in writing prior to discharge.
Do not discharge effluent containing EVAC into sewage systems without previously notifying the local sewage treatment authority. For guidance contact the State Water Board or Regional Office of the U.S. Environmental Protection Agency.