During the fall of 2022 and spring of 2023 a contractor working for Atlantic Richfield seeded cover soil atop black slag near Anaconda. So far, grass growth has been sparse.
The state s Natural Resource Damage Program completed the Superfund related remediation for sites on state-owned lands known as the Anaconda Uplands and EPA certified the work.
Starting probably in 2025, the Anaconda Smelter Site’s Superfund cleanup and a contractor working for Atlantic Richfield will begin covering portions of the arsenic-bearing slag piles east of Anaconda with