• River Blackwater, Essex
  River Blackwater, Essex
  The River Blackwater is a river in England. It rises in the northwest of Essex as the River Pant and flows to Bocking, near Braintree, from where its name changes to the Blackwater. Its course takes it near Stisted, and then via Bradwell Juxta Coggeshall and Coggeshall and near Witham where it is...
  
  , a river in England
• River Blackwater (River Loddon)
  River Blackwater (River Loddon)
  The River Blackwater is a tributary of the River Loddon in England and, indirectly, of the River Thames. It rises at Rowhill on the outskirts of Aldershot between Aldershot in Hampshire and Farnham in Surrey and runs northwards to join the Loddon near the village of Swallowfield in Berkshire...
  
  , a tributary of the River Loddon in England
• River Blackwater (River Test)
  River Blackwater (River Test)
  The River Blackwater is a river in the English counties of Hampshire and Wiltshire. It is a tributary of the River Test.The river rises just to the east of the Wiltshire village of Redlynch, near Salisbury. It then flows east across the county boundary into Hampshire...
  
  , a river in the English counties of Hampshire and Wiltshire
• River Blackwater (Wester Ross), in Wester Ross, Scotland

• West Road River
  West Road River
  The West Road River or Blackwater River is a major tributary of the Fraser River, flowing generally north-eastward from the northern slopes of the Ilgachuz Range and across the Fraser Plateau in the Chilcotin region of central British Columbia, Canada...
  
   (also Blackwater River), a major tributary of the Fraser River

• Blackwater River (Kerry), a river in County Kerry
• Munster Blackwater
  Munster Blackwater
  The Blackwater or Munster Blackwater is a river which flows through counties Kerry, Cork, and Waterford in Ireland. It rises in the Mullaghareirk Mountains in County Kerry and then flows in an easterly direction through County Cork, through Mallow and Fermoy...
  
  , a river which flows through counties Kerry, Cork, and Waterford
• River Blackwater, Ulster, a river in County Armagh and County Tyrone in Northern Ireland, and County Monaghan, Ireland
• River Blackwater, Meath, flowing from Lough Ramor, County Cavan to Navan, County Meath

• Blackwater River (New Zealand), a river in the South Island

• Blackwater River (Alabama)
  Blackwater River (Alabama)
  Blackwater River is a river in Baldwin County, Alabama. The Blackwater River originates at near Loxley, and discharges into the Perdido River at near Lillian....
  
  , a river in Baldwin County
• Blackwater River (Contoocook River)
  Blackwater River (Contoocook River)
  The Blackwater River is a river located in central New Hampshire in the United States. It is a tributary of the Contoocook River, part of the Merrimack River watershed....
  
  , a river located in central New Hampshire
• Blackwater River (Florida)
  Blackwater River (Florida)
  The Blackwater River of Florida is a river rising in southern Alabama and flowing through the Florida Panhandle to the Gulf of Mexico. The river enters Florida in Okaloosa County and flows through Santa Rosa County to Blackwater Bay, an arm of Pensacola Bay. The river passes through Blackwater...
  
  , a river arising in southern Alabama and flowing through the Florida Panhandle to the Gulf of Mexico
• Blackwater River (Maine)
  Blackwater River (Maine)
  The Blackwater River is a river in Aroostook County, Maine. From the confluence of its North Branch and South Branch in Squa Pan Township , the river runs west to St. Croix Stream in Masardis. Via St. Croix Stream and the Aroostook River, the Blackwater River is part of the St. John River...
  
  , a river in Aroostook County
• Blackwater River (Maryland)
  Blackwater River (Maryland)
  The Blackwater River is a saltwater river in Dorchester County, Maryland. It has many twists and bends and flows through Blackwater National Wildlife Refuge...
  
  , a saltwater river in Dorchester County
  • Little Blackwater River (Maryland)
    Little Blackwater River (Maryland)
    The Little Blackwater River is a tributary of the Blackwater River located in Dorchester County, Maryland.The relatively shallow river is about long and is surrounded by farms. It is located between Maple Dam Road to the east and Egypt Road to the west...
    
    , a tributary
• Blackwater River (Massachusetts – New Hampshire), a tidal inlet in northeastern Massachusetts and southeastern New Hampshire
• Blackwater River (Missouri)
  Blackwater River (Missouri)
  The Blackwater River is a tributary of the Lamine River in west-central Missouri in the United States. Via the Lamine and Missouri rivers, it is part of the watershed of the Mississippi River.-Course:...
  
  , a tributary of the Lamine River
• Blackwater River (Virginia), a river in southeastern Virginia
• Blackwater River (West Virginia)
  Blackwater River (West Virginia)
  The Blackwater River is a river in the Allegheny Mountains of eastern West Virginia, USA. Via the Black Fork, it is a principal tributary of the Cheat River. Via the Cheat, the Monongahela and the Ohio rivers, it is part of the watershed of the Mississippi River and drains an area of...
  
  , a river in the Allegheny Mountains (with a tributary named Little Blackwater River)

See also

• Blackwater river
  Blackwater river
  A blackwater river is a river with a deep, slow-moving channel that flows through forested swamps and wetlands. As vegetation decays in the water, tannins are leached out, resulting in transparent, acidic water that is darkly stained, resembling tea or coffee. Most major blackwater rivers are in...
  
  , a river with a deep, slow-moving channel that flows through forested swamps and wetlands