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Residents warn Cumberland aggregate mine proposal could mean decades of truck traffic and noise

Eden Plus City Council · July 13, 2026
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Multiple residents urged the council to weigh environmental and traffic impacts of the proposed Cumberland Aggregate Mine and asphalt plant, saying the project could run 25–35 years, generate hundreds of truck trips per day and use large daily volumes of water; King County’s comment period runs through Aug. 7.

At the Eden Plus City Council meeting, resident Julius Stevens urged the council and staff to review King County’s project materials on the proposed Cumberland Aggregate Mine and accompanying asphalt plant, saying the proposal would “really involve the entire community.” Stevens said the current project documents describe a 25–35 year extraction horizon and warned the operation could push “approximately 298 to 668 heavy trucks per day” through the area and run 24 hours a day, seven days a week.

Stevens flagged additional likely community impacts: noise, road wear and strain on emergency services, and noted the applicants estimated water demands of “175,000 to 250,000 gallons a day.” He encouraged the council to review county filings and reminded the public that King County’s comment period on the project is open through August 7. The remarks were offered during the public‑comment period; no council action was taken at the meeting to change the city’s formal position.