Nevada Division of Environmental Protection, Bureau of Corrective Actions

Readers Note: This webpage provides information about ongoing remediation activities at the Reid Gardner Power Station in Southern Nevada. The station is a 4 unit 650 MW coal fired power plant located on 480 acres in Moapa Valley, Nevada. The station is located just 4 miles west of Glendale and 60 miles northeast of Las Vegas

The Muddy River crosses the site, as does the Union Pacific Railroad's Las Vegas -Salt Lake City line. The plant is surrounded by BLM land to the north and south, Paiute agricultural land and residences on the west, and an inactive dairy farm on the east. The first unit was placed in service in 1965 and the fourth unit came online in 1983. More about the Reid Gardner Power Station.

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Remediation Activities:

The Reid Gardner Station (RGS) has a number of raw water storage ponds, process water evaporation ponds, and fly ash settling ponds. Process water, which has been used beyond the treatable limits, is routed to onsite ponds for evaporation. Waste management units are present throughout the Site and surrounding area. The Nevada Power Company has implemented source control methods including salt removal and pond lining on most of the ponds.

Interim remediation measures have been developed including construction and operation of a groundwater collection system south of Ponds D & E, and north of the mesa. Other long-term Corrective Action measures include a groundwater treatment system at Pond 4-A and a diesel recovery system that has been in operation since 1988 and upgraded in 2003. The diesel recovery system continues to operate in the eastern portion (power generation area) of the site recovering diesel and contaminated groundwater, which is traceable to the former operation of large onsite aboveground storage tanks.

Areas of known Releases of Environmental Contaminants from the station onto adjacent property include, but are not limited to, areas of Hogan Wash, property north of Pond 4A, property east of the power generation units, property north and east of waste management unit-4 (WMU-4 Mesa Landfill), and property south of WMU-4.

Environmental Contaminants identified at the RGS facility include, but are not limited to, elevated concentrations of total dissolved solids (TDS), sulfate, chloride, dissolved metals, volatile organic compounds (VOCs), and petroleum hydrocarbons.