A state-of-the-art landfill, recycling center, composting facility and collection fleet are located at the ACUA Environmental Park in Egg Harbor Township.
ACUA operates a 40 million gallon-per-day wastewater facility in Atlantic City, NJ, which is powered by renewable energy.
We are committed to seeking out the most sustainable and effective technologies to power our facilities and operations.
By Sara Verrillo
ACUA is installing
a temporary cap to cover approximately 30 acres of landfill space.
The temporary cap will prevent gas from escaping the sides of the landfill and
direct it towards the existing gas collection systems. It will also keep water
from infiltrating the landfill, which will reduce the overall production of gas
as well as prevent the accumulation of leachate along the side slopes – all
actions that will decrease odors.
The project will take roughly
3 months to complete and will cost approximately $2 million.
How It Will Work
The temporary cap is a
reinforced LLDPE laminate liner that will cover several of the open landfill
cells that are no longer in use.
Currently, without a cap on
the landfill, rain enters the cells and creates leachate, which is water that’s
been contaminated after seeping through trash.
The rain also makes the trash
break down at a faster rate than when the landfill is dry. As the trash breaks
down, it creates odorous gases like methane. The faster the trash breaks down,
the faster these gases are created.
At the same time, large
amounts of rainwater also overwhelm the landfill gas collection system.
With an increase in gas
production and a decrease in collection, odor becomes an issue.
Examples of a temporary cap at the Cumberland County Improvement Authority Landfill
By installing the cap, the
rain will not penetrate the landfill, therefore (1) reducing leachate and the
costs generated from treating and collecting it; (2) reducing landfill gas; and
(3) reducing odors.
Each time there is a major
rain event, landfill crews spend many hours fixing the landfill side slopes
that are washed away by water. Between materials and man hours, the expense of
maintenance adds up.
The temporary cap will cover
the side slopes of the landfill that are the most prone to erosion from
rainfall, which will decrease maintenance costs.
The cap will also lead to
increased efficiency in gas collection. Currently, gas can escape through the
exposed sides and the collection system since collection wells are located and
tuned so they do not suck in too much fresh air. By covering the side slope,
the gas has nowhere to escape, and the gas collection system can collect with a
greater vacuum since fresh air cannot be sucked in.
The cover will prevent
landfill gas from escaping and increase the efficiency of collection.
of the temporary cap began the week of June 15 and is scheduled to be
completed by September. Stay tuned for
updates as the project progresses.
Preconstruction work on ACUA landfill's side slopes in preparation for the cap.
UPDATE: August 2015 - Temporary cap is almost complete
UPDATE: September 2015 - Temporary cap is complete. As you can see from the image above, the rain that would normally infiltrate the landfill cell or wash away the side slopes now runs cleanly off the temporary cap instead.
ACUA Environmental Park6700 Delilah RoadEgg Harbor Township, NJ 08234
ACUA Wastewater Treatment Plant1801 Absecon Blvd.Atlantic City, NJ 08401
Mailing AddressP.O. Box 996Pleasantville, NJ 08232
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