Blackwater or Black Water may refer to:
Health and ecology Blackwater (coal), liquid waste from coal preparation Black water (drink), a health drink Blackwater (waste), wastewater containing feces, urine, and flushwater from flush toilets Blackwater fever, an acute kidney disease Blackwater river, a classification of river with dark-colored waters
Places Blackwater, Queensland, a coal mining area in Australia Blackwater, Ontario, a community in the Township of Brock, Ontario, Canada Blackwater, County Wexford, a rural village in Ireland
United Kingdom Blackwater, Cornwall, a village Blackwater, Dorset, a small hamlet Blackwater, Hampshire, a small town Blackwater railway station Blackwater, Isle of Wight, a village Blackwater railway station (Isle of Wight), a former station Blackwater Reservoir, a reservoir in the Scottish Highlands
United States Blackwater, Arizona, a census-designated place in Pinal County Blackwater National Wildlife Refuge, a waterfowl sanctuary in Maryland Blackwater, Missouri, a city Blackwater, New Mexico, a power exchange between Texas and New Mexico Blackwater Dam, a flood control dam in New Hampshire Blackwater Draw, an archaeological site in New Mexico and a dry watercourse that extends across the Llano Estacado, Texas Blackwater Canyon, a gorge in West Virginia
Rivers Black Water (Conon), a river in the highlands of Scotland Blackwater River (Kerry), a river in County Kerry River Blackwater, County Cavan, a river in the north-west of County Cavan, Ireland Munster Blackwater, a river in the counties of Kerry, Cork, and Waterford, Ireland, also known as Blackwater Kells Blackwater, a river in the counties of Cavan and Meath, Ireland, also known as the Leinster Blackwater River Blackwater (Northern Ireland), a river which runs through County Armagh and County Tyrone, Northern Ireland, as well as County Monaghan, Ireland River Blackwater, Essex, England. River Blackwater (River Loddon), in Hampshire, Surrey and Berkshire River Blackwater (River Test), in Wiltshire and Hampshire
Film and television Black Water (2007 film), an Australian horror/thriller film Black Water (2018 film), an action thriller starring Jean-Claude Van Damme and Dolph Lundgren "Blackwater" (Game of Thrones), an episode of Game of Thrones "Black Water", an episode of NCIS Blackwater (TV series), Scandinavian television drama (2023)
Books Blackwater, a 1983 serial horror novel by Michael McDowell Black Water (novella), a 1992 novella by Joyce Carol Oates Blackwater (novel) or Händelser vid vatten, a 1993 novel by Kerstin Ekman Blackwater: The Rise of the World's Most Powerful Mercenary Army, a 2007 book by Jeremy Scahill Black Water, a 2004 novel by D.J. MacHale in the Pendragon: Journal of an Adventure through Time and Space series Black Water (memoir), a 2020 memoir by David A. Robertson
Arts Stratovarius or Black Water, a Finnish power metal band Black Water, a monodrama for soprano and piano by Jeremy Beck, based on the novella by Joyce Carol Oates
Albums Blackwater (Altan album), a 1996 Celtic music album Blackwater (Altan sampler), a sampler taken from the album Black Water (Kris Drever album) (2006) Blackwater (MOFRO album) (2001) Black Water (Tinashe album) (2013) Black Water (Blu Mar Ten album), a 2007 album by Blu Mar Ten Black Water (Rudresh Mahanthappa album), a 2002 album by Rudresh Mahanthappa Black Water, a 1989 album by Joe Zawinul
Songs "Black Water" (song), a song by the Doobie Brothers "Black Water", a song by Of Monsters and Men from Beneath the Skin "Blackwater", a song by Rain Tree Crow from Rain Tree Crow "Black Water", a song by Timber Timbre from Creep on Creepin' On
Video gaming Blackwater (video game), a first-person shooter video game based on the company Blackwater Worldwide Blackwater, West Elizabeth, a fictional city in the Red Dead series Blackwater Industries, a fictional intergalactic company in Space Colony
Fiction Blackwater Bay, a fictional body of water alongside King's Landing in A Song of Ice and Fire
Companies Blackwater (company), a private American military company officially named Constellis since the merger with Triple Canopy in 2014
Sports Blackwater 100, a former Grand National Cross Country off-road racing event Blackwater Bossing, a Filipino basketball team
See also Backwater (disambiguation) Blackwater Park, a 2001 album by Opeth Blackwater River (disambiguation) Czarna Woda, a town in Starogard County, Poland Cernavodă, a town in Constanţa County, Dobrogea, Romania Farnborough/Aldershot Built-up Area or Blackwater Valley Conurbation Kalapani (disambiguation) Karasu (disambiguation), ("Blackwater" or "Black River" in Turkish) Heishui (disambiguation) ("Blackwater" or "Black River" in Chinese) Zwarte Water ("Black Water"), a river in The Netherlands