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Ciba-Geigy Corp. (McIntosh Plant) NPL Site

The Ciba-Geigy Chemical Corporation (Ciba-Geigy) began production of the pesticide dichlorodiphenyltrichloroethane (DDT) in the early 1950s at a facility in McIntosh, Alabama, adjacent to the Tombigbee River. Ciba-Geigy subsequently produced many other chemicals at this facility over its operational history. Hazardous substances, including DDT and DDT-isomers, generated by Ciba-Geigy at the Mc. . . read more!



T/V Exxon Valdez Crude Oil Spill

Shortly after midnight on March 24, 1989, the T/V Exxon Valdez ran aground on Bligh Reef in Prince William Sound, Alaska, spilling almost eleven million gallons of North Slope crude oil. The oil moved along the coastline of Alaska, contaminating portions of the shoreline of Prince William Sound, the Kenai Peninsula, lower Cook Inlet, the Kodiak Archipelago, and the Alaska Peninsula. Oiled areas i. . . read more!


M/V Kuroshima

On November 26, 1997, the M/V Kuroshima, a 370-foot refrigerated cargo vessel owned by Kuroshima Shipping, S.A., broke away from its anchorage in Summer Bay on Unalaska Island, near Dutch Harbor, Alaska. While the vessel was attempting to move to a safer anchorage, winds reported to be in excess of 100 knots blew the freighter into Second Priest Rock, damaging several of the vessel's fuel tanks. T. . . read more!


M/V Selendang Ayu

On December 8, 2004, the 738-foot cargo vessel M/V Selendang Ayu, ran aground and broke in half off Unalaska Island in the Aleutian Islands. Six of the vessel's crew members were lost in the rescue effort. The cargo vessel, which was bound to Asia with a 60,000-ton soybean load, was carrying approximately 425,000 gallons of Intermediate Fuel Oil 380 and 21,000 gallons of marine diesel oil; an e. . . read more!


Adak Petroleum

Adak Petroleum, LLC owned a 4.8 million gallon underground fuel tank which is part of the Adak fuel storage tank facility on Adak Island in central Aleutian Islands of Alaska. On January 11, 2010 fuel was being transferred from a tanker the adjacent loading dock when Adak's fuel tank was overfilled, releasing approximately 142,000 gallons of diesel fuel to navigable water. Oil from the discharge w. . . read more!

American Samoa


F/V Jin Shiang Fa Diesel and Lube Oil Spill

In October 1993 the Jin Shiang Fa, a Taiwanese fishing vessel, ran hard aground on the western reef of Rose Atoll National Wildlife Refuge (NWR). The vessel broke up before a salvage tug could reach the atoll, resulting in the release of over 100,000 gallons of diesel and lube oil across the reef. The spill killed a large area of the primary reef building organisms, crustose coralline algae, near . . . read more!


Nine Abandoned Fishing Vessels

On December 10, 1991, Hurricane “Val” struck and caused widespread damage to the South Pacific Islands of American Samoa. During the storm, nine foreign-owned fishing vessels broke from their moorings and were driven aground on the reefs within Pago Pago Harbor on the island of Tutuila. Seven of the vessels grounded in a group about 100 yards from the village of Leloaloa, while two ves. . . read more!



Cyprus Tohono Mine Site

The Cyprus Tohono Mine settled a NRDAR case based on releases of hazardous substances into evaporation ponds, a pit lake, and calcine leach residue ponds. Elevated concentrations of arsenic, cadmium, copper, selenium, zinc, sulfuric acid, uranium (as a metal), uranium radionuclides, and adjusted gross alpha activity (a measure of alpha-emitting radionuclides including thorium-230, radium-226, and . . . read more!


Texmo Oil Co. Tanker Truck Accident Diesel Spill

On July 28, 2006, a Texmo Oil Company Jobbers tanker truck crashed on the State Highway 95 bridge over the Bill Williams River, where the river joins Lake Havasu, 20 miles north of Parker, Ariz. 7,600-7,800 gallons of diesel spilled and then ignited, burning 348 acres of marsh, riparian and upland desert vegetation.

The Texmo spill and fire injured some of the rarest habitats left on. . . read more!


Pilot Petroleum Corp.

On December 7, 2000, a tanker truck owned and operated by Pilot lost control of the vehicle causing the 8,000-gallon tanker to uncouple from the tractor. The tanker trailer ruptured while sliding across the pavement releasing an estimated 6,000 gallons of No.2 diesel fuel on the highway and contaminating adjacent soils overlooking the Bill Williams River just 300 feet from the waters edge. The spi. . . read more!


Morenci Mine - Phelps Dodge Industrial Mining Complex

This site addressed combination of multiple copper mining sites within southwestern New Mexico and southeastern Arizona, including the Chino, Tyrone and Cobre mines in New Mexico, and the Morenci Mine in Arizona. These open pit mines were mined in the late 1870 through 1900s. Hazardous substances released at the Sites include sulfuric acid and metals/metalloids, including arsenic, beryllium, ca. . . read more!


Standard Metals Corp.- Antlers Site

The Antler Site covers approximately 21 acres of mixed patented mining claims formerly owned by Standard Metals and public land under the administration of Interior. The Antler Site consists of adits, structures, and waste and tailings piles.


ASARCO Ray Mine and Hayden Smelter

The ASARCO Ray Mine/Hayden Smelter Complex near Hayden, AZ released of hazardous substances into Mineral Creek and eventually the Gila River. In addition, multiple groundwater wells down-gradient of the Ray Mine were found to be highly contaminated by a common leachate solution which was attributed to releases by ASARCO into shallow groundwater along Mineral Creek. Numerous spills of mine wastes a. . . read more!



Mayflower Pegasus Pipeline Oil Spill

In March 2013, the Pegasus Pipeline belonging to ExxonMobil Pipeline Company ruptured in Mayflower, Arkansas. Released oil spilled into Lake Conway and adjacent habitats, as well as oiling a number of fish and wildlife species. Arkansas and FWS coordinated on response. A trustee MOA to cooperate on NRDAR actions was completed in February 2015.

California (Showing 6 of 26 items. Group continues on the next page.)


Iron Mountain Mine NPL Site

The Iron Mountain Mine Complex (IMM) is located 9 miles northwest of Redding, California. From the 1860s through 1963, the 4,400-acre IMM site was mined for iron, silver, gold, copper, zinc, and pyrite. Though mining operations were discontinued in 1963, underground mine workings, waste rock dumps, piles of mine tailings, and an open mine pit still remain at the site. The mining activities result. . . read more!


Montrose/Palos Verdes Shelf NPL Site

The Palos Verdes Shelf site is an area of contaminated sediments in the Southern California Bight offshore of Los Angeles, California. These sediments were contaminated by DDTs and PCBs in wastewater discharged through ocean outfalls, off the Palos Verdes Peninsula, operated by the County Sanitation Districts of Los Angeles County. The DDTs originated from industrial wastewater discharged through . . . read more!


New Almaden Mines

Almaden Quicksilver County Park is a I,520 hectare (ha), undeveloped parcel situated on the northeast ridge of the Santa Cruz Mountains, approximately 19 kilometers (km) south of downtown San Jose. The Park is located in the 447 square kilometer watershed of the Guadalupe River, which drains the south central portion of the Santa Clara Valley into South San Francisco Bay via Alviso Slough. Operati. . . read more!


Shell Oil Co. Refinery

Late in the evening of April 23, 1988, a tank at the Shell Manufacturing complex in Martinez, filled with hundreds of thousands of gallons of San Joaquin crude oil, began to leak. A hose, designed to drain water from the roof of the tank, failed. Oil began siphoning out into the containment area surrounding the tank. Unfortunately, a storm water release valve had been left open, and the oil contin. . . read more!


Leviathan Mine NPL Site

Leviathan Mine is an abandoned open-pit sulfur mine high on the eastern slope of the Sierra Nevada, in Alpine County CA. The mine, 24 miles southeast of Lake Tahoe, has been contaminating a nine-mile stretch of mountain creeks. The Toiyabe National Forest surrounds the site, and there are no permanent residents within several miles. The stream system drains into Nevada about five miles from the mi. . . read more!


Halaco Engineering Co. NPL Site

The Halaco site (Site) is located in coastal Ventura County at 6200 Perkins Road, Oxnard, CA 93033. Halaco Engineering Company operated a secondary metal smelter at the site from 1965 to 2004, recovering aluminum, magnesium, and zinc from dross, castings, cans, car parts, and other scrap metal. The Site includes an 11-acre area containing the former smelter, and an adjacent 26-acre waste managemen. . . read more!

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