Newby Island Sanitary Landfill

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Contact Details

  • Address: 1601 Dixon Landing Road, Milpitas, CA 95035
  • GPS: 37.4540234,-121.929356
  • Phone: (408) 262-1401
  • Mobile Phone: (408) 262-1401
  • Website:

Opening Times

  • Monday 8am-4pm
  • Tuesday 8am-4pm
  • Wednesday 8am-4pm
  • Thursday 8am-4pm
  • Friday 8am-4pm
  • Saturday 8am-4pm
  • Sunday closed

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The Newby Island Sanitary Landfill is located on 1601 Dixon Landing Road, Milpitas, CA 95035. This landfill is opened on the following hours:

  • Monday: 8am-4pm
  • Tuesday: 8am-4pm
  • Wednesday: 8am-4pm
  • Thursday: 8am-4pm
  • Friday: 8am-4pm
  • Saturday: 8am-4pm
  • Sunday: closed

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 Newby Island Sanitary Landfill California 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 (408) 262-1401.

You may contact the Newby Island Sanitary 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 Newby Island Sanitary Landfill about their opening hours to the public and what is the visitor policy. They would gladly answer your questions.

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Popular questions at Newby Island Sanitary Landfill

What is landfill waste?

A landfill is a location that manages our waste. In some landfills the garbage is left in piles, in some the garbage is incinerated and, in some others, the waste is decomposed onto other chemical structures and processed. In some landfills, the waste is buried.

Landfills are in specific areas, and they are away from cities and counties as there are gases that leak from the decomposition of the waste. There are various types of landfills. Some are used for municipal waste, some are used for sorting of the waste, some serve as transfer stations, and some are specialized only for recycling. Each landfill has its acceptance conditions, which means only a specific type of waste can be accepted.

When a load of waste is accepted, the garbage trucks go to the dumping point and offload the materials. During the processing of the waste, the main ideas are to confine the waste in the smallest space possible and to reduce the volume of the waste by compacting it. The garbage trucks are weighed when they enter and exit the landfill. The difference is the tons of garbage deposited and that affects the cost to use the landfill. Each landfill has its prices per ton depending on the type of waste that is deposited.

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.

What is an inert landfill?

There is an interesting type of landfill, inert landfills. This type of landfill receives sand, concrete, and other waste related to construction. This type of waste does not have any biohazards nor decomposes, or it does so very slowly. These types of waste neither produce liquid waste. In this category, we mostly have asphalt, rocks, bricks, yard leaves. In this category, we do not include demolition waste.

What is a sanitary landfill?

A sanitary landfill is different from a dump in the meaning that it goes above and beyond to assure that there is no environmental pollution. A sanitary landfill also reuses gases to generate electricity while eliminating the chance of liquids spillage onto fresh groundwater. The landfill is also covered, so the wind won’t fly away debris or any piece of garbage. A dump is just an open space to dump the garbage. No controlled activity, no monitoring, no expert supervision, and no environmental protection. The waste decomposes in the open air and pollutes the soil and groundwater water.

How does a landfill work?

A landfill has very detailed business operations. The waste arrives at the facility in garbage trucks on a section called the Cell. The cell is made of an isolated layer, that prevents any waste or liquids from leaking. In the cell, the waste is sorted out. This unit is enclosed, as the sun and the atmospheric conditions can interact with the waste. Afterward, the garbage is compressed in the smallest volume possible. The cell will accept new waste until it is full. When it reaches, it is further reinforced on top with various materials and dirt. The idea is that the area on top of the cell is reused and to support vegetation.

The important part of this process is the base of the cell. It must prevent liquids and other pollutants from reaching the soil. For this reason, the cell is isolated below with layers of plastic and clay, to create a strong isolation system.

Regarding liquids, they are collected onto a unit called the sump. In this unit, the liquids are processed, and when they are cleaned on pollutants, they are reintroduced onto the environment. Each landfill has groundwater monitoring, which means they collect the quality of groundwater before it reaches the landfill and afterward it exits the landfill. Regarding gasses generated by the waste, they are collected via a special system that ends up reusing the methane generated and the gases to produce energy.

When a landfill reaches the point that all the cells are full, then the landfill stops operations. This doesn’t mean that the owners of the landfill have no responsibilities. They must be monitored for 30 years after closure, and that means assuring the quality of groundwater and preventing leakage to the soil of any type of waste.



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