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Blackwater,river, c.100 mi (161 km) long, rising in Co. Kerry, SW Republic of Ireland. It flows east through the dairy region of Co. Cork and Co. Waterford before turning abruptly south and entering the Atlantic Ocean at Youghal Bay. Salmon and trout are caught in the river.
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Nonindustrial wastewater containing significant food residues, high concentrations of toxic chemicals from household cleaners, and/or toilet flush water. Wastewater from toilets and urinals is always considered blackwater; wastewater from kitchen sinks, showers, or bathtubs may be considered blackwater by state or local codes. After neutralization, blackwater is typically used for nonpotable purposes, such as flushing or irrigation.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
Any disease that is characterized by dark-colored urine.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.