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Sunrise Mountain Landfill Order - Background and Documents
Contact Information
Mary Simms (415) 947-4270
— News Release
Steve Wall (415) 972-3381
Laurie Williams (415) 972-3867
On June 6, 2008, the U.S. EPA Pacific Southwest Office ordered landfill operator Republic Services of Southern Nevada, to immediately begin remediation work at the Sunrise Mountain Landfill in Clark County, Nev. Sunrise Landfill, a 440-acre closed municipal solid waste landfill, is located three miles outside of Las Vegas city limits. Sunrise Mountain Landfill is unlined and contains more than 18-million tons of waste including: municipal solid waste, medical waste, sewage sludge, hydrocarbon-contaminated soils, asbestos, and construction waste. The landfill cover failed during a series of storms in September 1998, sending waste into the Las Vegas Wash. The landfill is located two miles above the Las Vegas Wash, which discharges directly into Lake Mead — a primary drinking water resource for southern Nevada, including the Las Vegas metro area, as well as the Phoenix metro area and southern California.
The order directs Republic to initiate stabilization work at the landfill to protect public health while steps are taken to finalize a comprehensive agreement to implement the entire remedy. The order also requires Republic to immediately begin work and submit plans to the EPA including: a final cover plan, a storm water control plan, a groundwater monitoring plan, and other additional reporting and implementation tasks. The total cost of the work required is approximately $7 million. For more information, see the detailed documents below.
- RCRA Order - Docket No. 7003-09-2008-00002 (PDF) (25 pp, 1.42M)
- Appendix A - Scope of Work (PDF) (52 pp, 217K)
- Attachment 1a - Site Map (PDF) (1 pg, 159 K)
- Attachment 1b - Detention Basin Plan (PDF) (1 pg, 1.3M)
- Attachment 2 - Implementation Schedule (PDF) (1 pg, 22 K)
- Attachment 3 - Existing Soil Cover Depth Map (PDF) (5 pp, 432K)
- Attachment 4 - Concentrated Flow and Channels Map (PDF) (1 pg, 193K)
- Attachment 5 - Diversion Berm Locations Map (PDF) (1 pg, 210K)
- Attachment 6 - Top Deck Regrading Map (PDF) (1 pg, 164K)
- Attachment 7 - Erosion Layer Thickness Map (PDF) (9 pp, 535 K)
- Attachment 8 - Table 1 - Groundwater Monitoring Wells (PDF) (2 pp, 61K)
- Attachment 8 - Figure 1 - New Wells Locations Map (PDF) (1 pg, 168K)
- Attachment 8 - Figure 2 - Existing Well Locations (PDF) (1 pg, 520K)