Water Quality

Digging for Truth: Non-ferrous Metallic Hardrock Mining on the Yellow Dog Plains and Recent Permit Changes

A recent public hearing on the new draft Groundwater Discharge Permit for Lundin Eagle Mine has once again brought to light the ongoing industrial activity on the Yellow Dog Plains. The hearing took place on March 25, 2014 at Ishpeming Westwood High. The complex saga behind the permitting of this project and the present interface …

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Non-Native Invasive Species Removal in the McCormick Wilderness Area

In July 2013, Yellow Dog Watershed Preserve staff began guiding volunteers and field crews from partner organizations in to the McCormick Wilderness Area, a part of the Ottawa National Forest. This area is a 17,000 acre tract of rugged, rocky and hard-to-reach federal wilderness which straddles the Lake Superior and Lake Michigan watersheds. The YDWP …

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DEQ Approves Omission of Fabric Filter Dust Collector in New Air Quality Permit and Other Mining Updates

Last Friday, June 28, 2013, the DEQ announced their decision to approve a new Air Quality Permit for modifications to Eagle Mine. The modifications include: constructing the single Main Ventilation Air Raise (MVAR) without a bag house fabric filter dust collector, moving the ore-crusher from the mine to the mill in Humboldt, and adding an …

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Patagonia Environmental Grant Awarded to Yellow Dog Watershed Preserve

The Yellow Dog River Watershed Planning Project continues with $3,000 from Patagonia’s Environmental Grants Program. This community planning project will determine the goals and priorities of the Yellow Dog River watershed. The main task is to create a document called a watershed management plan (WMP) that will be approved by the DEQ to define the actions …

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Rio Tinto Mining Update: Uranium and Landslide

Results from a follow up study were released recently and have confirmed that uranium detected in the water at the mine is not leaving the facility. The initial monitoring results indicated a high concentration of uranium in water samples from the bottom layer of the Temporary Development Rock Storage Area (TDRSA) at Eagle Mine in Northern Marquette County. …

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