Acid drainage definition

Acid drainage means water with a pH of less than 6.0 and in which total acidity exceeds total alkalinity, discharged from an active, inactive or abandoned coal mine and reclamation operation or from an area affected by coal mining and reclamation operations.

Acid drainage means water with a pH of less than 6.0 and in which total acidity exceeds total alkalinity, discharged from an active or inactive mine or from an area affected by mining and reclamation operations.

Acid drainage means the flow of acid water resulting from a surface mining operation.

Examples of Acid drainage in a sentence

• Acid drainage and alkaline runoff from abandoned mines can lead to high concentrations of contaminants and heavy metals in waterways which pose threats to human health, water quality, wildlife and fish species, and their habitats (Utah Department of Environmental Quality; Division of Water Quality, 2012).

• Acid drainage often has an orange color typical of the oxidized iron compounds formed.

• Acid drainage and heavy metals from un-reclaimed lands pollute surface and ground water, damaging ecosystems, recreational opportunities, and the clean water supplies needed for healthy communities and businesses.

• Acid drainage is one of the most serious and potentially enduring environmental problems for the mining industry.

• Acid drainage and contaminant leaching is the most important source of water quality impacts related to metallic ore mining.

More Definitions of Acid drainage

Acid drainage means water with a pH of less than six and zero-tenths (6.0) and in which total acidity exceeds total alkalinity, discharged from an active, inactive, or abandoned surface coal mine and reclamation operation or from an area affected by surface coal mining and reclamation operations.

Acid drainage means water with a pH of less than six (6.0) and in which total acidity exceeds total alkalinity, discharge from an active, inactive or abandoned mine or from an area affected by a mineral operation.

Acid drainage means water with a pH of less than 6.0

Acid drainage means water with a pH of less than 6.0 Standard Units and in which total acidity exceeds total alkalinity, discharged from active, inactive, or abandoned mines and from areas affected by surface coal mining and reclamation operations.

Acid drainage means water with a pH which may cause or contribute to violation of the Alaska water quality laws and regulations discharged from an active, inactive, or abandoned surface coal mine and reclamation operation or from an area affected by surface coal mining and reclamation operations;

Acid drainage means water with a pH of less than 6.0 and in which total acidity exceeds total alkalinity, and that is discharged from an active, inactive or abandoned strip or underground mining operation or from an area affected by such operations.

Acid drainage means surface drainage, underground drainage or mine water which –