Cedar Hills Regional Landfill

    • Rating
    • - Not Rated Yet
  • 299 Views
0 0

Contact Details

  • Address: 16645 228th Ave SE, 419 Occidental Ave. S, Maple Valley, WA 98038
  • GPS: 47.4559496,-122.0437529
  • Phone: (425) 296-8448
  • brad.bell@metrokc.gov
  • Mobile Phone: (425) 296-8448

Get Directions

Send To A Friend



The Cedar Hills Regional Landfill is located on 16645 228th Ave SE, 419 Occidental Ave. S, Maple Valley, WA 98038.

The landfill is closed on all US federal holidays. The dumps on the landfill are regulated by the U.S. Environmental Protection Agency and the applicable state laws.

The Cedar Hills Regional Landfill Washington buries trash and garbage below secured and stratified layers of dirt and isolating material. The transfer station accepts tire, solid waste, hazardous waste, and inert material waste. For any other type of waste that you are not SURE ABOUT, you can reach them out at (425) 296-8448.

You may contact the Cedar Hills Regional Landfill about any information regarding: waste managing policies, recycling policies, commercial garbage, accepted types of trash, industrial waste, household garbage, appliances disposal and hazardous waste management.

You can reach the Cedar Hills Regional Landfill about their opening hours to the public and what is the visitor policy. They would gladly answer your questions.

Online services EPA

Find Landfill

Regional Office EPA

EPA Certifications

EPA regulations

Popular questions at Cedar Hills Regional Landfill

How much of our trash ends up in a landfill?

There is a lot of waste generated in the USA. In 2018, there were 292 million tons of waste generated. Averagely that is 4.9 Lb. of waste per person. The waste from municipalities is recycled the most. The data says that in 2018, there was a recycling rate of 32%. Some of the waste is reprocessed not other means such as bio-chemical management.The largest categories of waste pertain to paper, food plastics, yard trims, and metals. Food, plastics, and paper make are the main resources for energy production from waste.

How much to dump at landfill?

Each landfill has a different cost to use its services. The price depends on many factors, such as type of waste ( hazardous, construction and demolition waste, municipal solid waste, and inert waste ), location of the landfill, and the individual charges of the landfill. According to statistics, the USA average price per ton is $53.72. The costs tend to be higher in the Pacific area, where they reach an average of $72.02 per ton of waste. The prices are averagely the cheapest in South Central, where they reach $39.66 per ton. From statistics, we see that the highest populated areas, the Pacific and the northeast are the costliest, while the other areas of the USA tend to have cheaper prices per ton.

What happens when a landfill is full?

After all the cells in a landfill are used and are full, then we start the process of reclaiming. The idea is that the space on top of the landfill can be used for other purposes. Whatever is the type of landfill, the space on top of it is covered by layers of dirt, to recreate reusable soil. The space is compacted, and it is made sure to be leakproof so that there is no spillage onto the environment.

There are specific laws that regulate the use of landfills after being full and there are specific measures to be taken and to assure compliance. For chemical and garbage that is hazardous, there is a synthetic material that covers it. There is an intricate drainage system. For general garbage, there is a liner system at the bottom area of the cells. The top is covered by topsoil, clay, and synthetic materials.

After this has been done, the space on top of the landfill can support various uses. It can be used to create parks, As of right now, there are more than 1000 parks in the USA that originated from landfill places. The area on top can be used to generate electricity and attach solar panels. This idea is a bit dangerous as the ground below can shift during the years. The area on top of a landfill can even support wildlife habitats, as the layers of clay and dirt that cover the landfill can support and grow trees.

What is a transfer station for garbage?

The first step onto the waste stations is to weigh the incoming garbage trucks. These sites are also open to the public and they help the community. The work of waste sorting stations is very important, and it helps to optimize the process of waste management. Transfer stations pre-compact the waste thus it is easier for the bulldozers to manage the waste at the sanitary landfills.

What is a sanitary landfill?

Sanitary landfills offer a more advanced waste management approach that further reduces the chances of environmental contamination. The basic unit of a sanitary landfill is still the cell. The idea is to create soil tranches. The garbage is deposited onto layers 1 to 3 meters high and then compacted by bulldozers to reduce the volume. Then the garbage is covered by a layer of dirt. Multiple of these layers are piled together until they reach maximum capacity and thus, we form a cell. The cell is then reinforced on all sides to prevent leakage to the soil.



Submit A Review

Your email address will not be published. Required fields are marked *