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The Daily Insight

Is coal ash a threat to public health?

Author

Christopher Harper

Updated on April 03, 2026

Coal ash is a mix of many chemicals and heavy metals that pose a threat to human health and the environment, such as arsenic, lead, mercury, chromium, selenium, antimony, and molybdenum. Coal ash can especially have negative health impacts when the ash is not properly managed.

Is coal ash a pollutant?

Why does EPA regulate coal ash? Coal ash contains contaminants like mercury, cadmium and arsenic. Without proper management, these contaminants can pollute waterways, ground water, drinking water, and the air.

What is the impact of coal ash leaching into the water?

Water contamination from coal ash is a serious concern. Many of the pollutants found in the waters underneath or adjacent to unregulated coal ash waste sites are carcinogens, neurotoxins, or are deadly to fish and other aquatic life.

How do you dispose of coal ash?

How and where is coal ash currently generated and disposed? CCRs may be generated wet or dry, and some CCRs are dewatered while others are mixed with water to facilitate transport (e.g., sluiced). CCRs can be disposed in off-site landfills, or disposed in on-site landfills or surface impoundments.

How do you dispose of smokeless coal ashes?

Use a galvanised steel or metal ash can or bucket that can be sealed to collect all the unwanted ash. Take your time to remove the ashes to avoid any ash spreading across your room. Slowly transport the container outside of your house and dispose of in a designated area.

What can I do with coal ash?

Ash (coal & wood)

  • Put it in your household garden waste collections, if this service is offered in your area.
  • Taken to the recycling centre and recycled with garden waste.
  • Added to your home composting bin or used as a soil fertiliser.

Where is coal ash dumped?

landfills
Coal ash is generated from the burning of coal at power plants and is disposed of in large ponds called surface impoundments and in landfills.

How do you dispose of coal fire ashes?

Ash from coal should only be placed in the general waste bin. Small amounts of ash from wood or turf can be placed in your home compost bin.

Are coal ashes good for anything?

Beneficial use of coal ash can produce positive environmental, economic and performance benefits such as reduced use of virgin resources, lower greenhouse gas emissions, reduced cost of coal ash disposal, and improved strength and durability of materials.

What do you do with coal ashes from a fireplace?

15 Handy Things You Can Do With Ashes from Your Fireplace

  1. Add to Compost. 1/15.
  2. Use as Ice Melt. 2/15.
  3. Amend Your Soil. 3/15.
  4. Absorb Odors. 4/15.
  5. Clean Up Stains on the Driveway. 5/15.
  6. Control Slugs and Snails. 6/15.
  7. Make Soap. 7/15.
  8. Polish Metal. 8/15.