The Tribe seeks comments on the proposed antidegradation decision related to the TransCanada Sink Hole Mitigation Project resultant from remediation needed to address sink holes on Line 200. The proposed project involves backfilling the sink holes with bentonite chips around the pipe and filling the rest of the hole with native or select fill. The exposed soils at the surface will be recontoured and reseeded, and erosion and sedimentation controls will be installed. There are two project sites where sink holes must be remediated along TransCanada’s right-of-way: one on the east slope of the White River floodplain and one on the east slope of the Bad River floodplain. (Read More)