North Carolina's Landfill Cleanup Backlog Would Take 99 Years

North Carolina's Office of the State Auditor⧉ -- the state's independent, elected fiscal watchdog -- found that the Department of Environmental Quality⧉'s program for finding and cleaning up landfills that predate the state's 1983 waste rules is moving so slowly it would take about 99 years to finish the job.▸ Of 688 identified pre-regulation sites, 84% sit within 1,000 feet of a home, school, daycare, church, or drinking well, and 534 of them -- 78% -- have never been investigated⧉ for contamination at all.

The Pre-Regulatory Landfill Program⧉, created in 2007, is funded by a piece of nearly every dump run in the state: a $2-per-ton tax on solid waste disposal, half of which flows into North Carolina's Inactive Hazardous Sites Cleanup Fund.▸ That fund has taken in an average of $12.1 million a year⧉ since 2019. After the roughly 15.5% of receipts state law allows the Program to spend on administration, about $10.3 million a year is left⧉ for actual site work -- against an average cost per site of $1.9 million⧉. At that funding level, the state can finish only five or six sites a year⧉.

The math is worse in practice than on paper.▸ As of June 30, 2025, the fund's $22.1 million balance included $16.3 million already committed⧉ to contractors' approved but unpaid task orders, leaving just $5.8 million in cash the Program could actually spend on new work. Rising contractor rates are eating into that further: hourly rates for investigation and remediation design rose 29% to 63% over the past decade⧉, and rates for remediation oversight rose 54% to 96% -- meaning the money that bought 100 hours of design work a decade ago now buys only about 70.

Where the Program has actually looked, it has found real hazards.▸ Of 97 sites that reached the investigation stage, 23 -- nearly a quarter -- had methane concentrations⧉ above the 5% threshold at which the gas can ignite. That rate is drawn from the sites the Program chose to investigate first by risk, not a random sample, so it isn't a statistical estimate for the 534 sites nobody has checked -- but three case studies in the audit show what waiting to look can mean. At Cliffdale Landfill in Fayetteville⧉, a resident's 2023 report of a possible gas leak led investigators to methane readings as high as 62.7% -- more than 12 times the ignition threshold -- with 24 of 26 tested neighboring properties showing methane above that limit.

In Durham, it was a graduate student's own soil testing in December 2022, not the Program, that found lead above federal limits at five city parks⧉; all five stayed closed through the summers of 2024 and 2025, and capping the contaminated soil is now estimated to cost $10.5 million -- more than three times the roughly $3.1 million the city spent building the parks in the first place.▸ In Charlotte, testing ahead of a Mecklenburg County redevelopment project found lead exceeding safety thresholds in 14 of 64 soil samples⧉ at Southside Park, which the county closed to visitors -- including children on its playground -- in February 2025.

Funding isn't the only obstacle.▸ About 78% of the identified sites sit on private land⧉, and the Program generally can't investigate without the owner's consent -- eighteen of the 75 sites currently in active investigation are stalled for exactly that reason. The state's own top-ranked risk, the East Wake County Landfill⧉, illustrates the trap: its owners can't clear the debris blocking investigation because doing so would mean evicting the tenants whose rent they depend on.

DEQ's Division of Waste Management agreed with every finding and recommendation⧉ in the audit.▸ Some fixes -- reassessing which sites get prioritized, pursuing outside funding, drafting internal access policies -- are administrative and are supposed to start immediately. Others need lawmakers: the audit calls on DEQ to work with the General Assembly on a lower-threshold legal pathway to access high-risk private sites, due within six months⧉ of the report's July 2026 release. "The bottom line," State Auditor Dave Boliek said⧉, "is there are hundreds of potentially hazardous landfill sites across North Carolina, and despite tax dollars supporting a program meant to investigate these sites, 78% haven't been examined."