Nation/World

EPA starts process that could restrict Pebble Mine

JUNEAU, Alaska — The U.S. Environmental Protection Agency is taking the first steps toward possibly restricting or even prohibiting development of a massive gold-and-copper prospect near the headwaters of a world-premier sockeye salmon fishery in southwest Alaska.

The decision follows release of an EPA report in January that found large-scale mining in the Bristol Bay watershed posed significant risk to salmon and could adversely affect Alaska Natives in the region, whose culture is built around salmon.

The action, being announced Friday, is what supporters of the proposed Pebble Mine have feared — and could result in the agency blocking the project, even before it gets to the permitting phase. Opponents of the mine have urged EPA to take steps to protect the region.

EPA Administrator Gina McCarthy said in a release that scientific study has provided “ample reason to believe that the Pebble Mine would likely have significant and irreversible negative impacts” on the watershed and its salmon. The watershed produces nearly half the world’s wild sockeye salmon, a fish that is important for two groups of Alaska Natives in the region, Yup’ik Eskimos and the Dena’ina.

McCarthy said the agency is exercising its authority under the Clean Water Act “to ensure protection for the world’s most productive salmon fishery from the risks it faces from what could be one of the largest open pit mines on earth.”

The EPA has rarely used this specific authority, which it can exercise before a permit is applied for. The agency says it has only done so 29 times in the past, and in 13 of those cases the EPA decided to take steps to limit or prohibit activity.

Regional administrator Dennis McLerran said information provided by the Pebble Limited Partnership and Northern Dynasty Minerals Ltd., which are working to develop the Pebble deposit, showed excavation for the mine “completely destroying” an area as large as 7 square miles and that disposal of waste material would require building three impoundments covering another 19 square miles.

In a letter being sent to officials with the state, Pebble Limited Partnership and U.S. Army Corps of Engineers, McLerran also said the EPA’s report estimated that discharges of dredged or fill material associated with the footprint of the mine would likely cause “irreversible loss of significant reaches” of salmon- and other fish-supporting streams, as well as extensive areas of wetlands, ponds and lakes.

Tribes and others petitioned the EPA in 2010 to protect Bristol Bay, a request that gave rise to the watershed assessment released in January and Friday’s planned announcement.

Friday’s action means the corps, state and those behind the mine project will be allowed to submit information to the EPA to show no “unacceptable adverse effects” to aquatic resources would result from mining-related discharges or that actions could be taken to prevent unacceptable effects to waters, according to the letter.

If McLerran is not satisfied with their response, the agency will publish proposed restrictions or prohibitions on mining at the Pebble deposit and gather public comment. There will be a second round of consultation before a final decision is made.

The entire review process could take about a year.

McLerran noted that the agency, at any point, could decide further action on its part is unnecessary.

He said the agency looks forward to a “transparent, fair, scientifically valid and timely review.”

McLerran said the process relates only to the Pebble deposit and not to other mining or non-mining development in the watershed.



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