The South Carolina Appeals Court heard arguments Wednesday, in the case of MRR Southern Landfill verses Marlboro County.
The company is asking the court to dismiss a trial court's decision that allows Marlboro County's present zoning regulations to keep MRR from building a mega dump there.
The company is looking to build a landfill on more than 900 acres of land in the Wallace community.
The court will make a decision after it reviews the case.
Marlboro County council members talked with NewsChannel 15 after the hearing.
"We are pleased with today's proceedings, and the county continues to stand by its decision in opposing the landfill," said Dr. Carolyn Prince.
Last month, MRR sent a letter to Marlboro County Council.
It says the county has spent more than $690,000 dollars in legal fees to fight the landfill.
MRR says for a county with an annual budget of less than $10 million dollars, there is a better use for tax dollars.
The letter says the company is reaching out to council members to about the many benefits it has to offer.
It goes on to say they would discuss limitations on the character and amounts of material which would be placed at the landfill.
The company says it's offered a host fee to the county of up to $1 million dollars a year for allowing them to build there.
Council members say they're determined to wage the battle against the dump, because 94 percent of voters said "No" to private landfills in a 2008 referendum.
"Based on the results from the referendum and the concerns of the citizens and their request that we fight this," Prince explained, "we will continue to oppose the landfill."
MRR says in the event they lose this appeal, they plan to file subsequent appeals and another lawsuit, if necessary.
That could turn into a long and expensive battle for the county, but some residents say it's worth the fight.
"The effects the long-reaching effects of a landfill of this size on our county would be many times $690,000 with regard to the damage of infrastructure," said Meredith Russo.
"If we could relate to Lee County landfill in Bishopville, there health problems have increased 30 to 40% since the construction of the landfill," explained Tom Wood.
The county's effort to keep the landfill out started in 2007.
Council members say they're in it for the long haul.