New wastewater-disposal regulations imposed by the Washington Department of Ecology will collectively cost 68 of the state’s larger wineries more than $200,000 the first year, under a department proposal. Beginning July 1, the wineries must obtain permits to use wastewater on land or discharge to most sewer plants. Ecology can’t cite any case of a winery polluting groundwater, but the agency says water laced with cleansers, stems, leaves and wine sediment has the potential to pollute.
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