Alaska Department of Transportation & Public Facilities (ADOT&PF) stated purpose is to move naturally occurring slide material from the Takshanuk Mountains into the Chilkat River, adjacent to the HH. The ADOT&PF is proposing to discharge up to 26,800 cubic yards of slide material (comprised of rocks/boulders, mud, silts) in 1.7 acres below the ordinary high water mark (OHWM) of the Chilkat River, annually, for a period of five years, totaling 134,000 cubic yards in 8.5 acres. Material would be stacked 15 feet high. The proposed work also includes placing up to 13,200 cubic yards of material above the OHWM of the Chilkat River, annually, for a period of five years, totaling 66,000 cubic yards. Please note, material placed above the OHWM is outside the limits of our jurisdiction, but has been included in this public notice for your information. Please contact Michael Setering at (907) 283-3518, by fax at (907) 283-3981, or by email at Michael.t.setering@usace.army.mil if further information is desired concerning this notice.
POA-2014-423, Chilkat River_PN
POA-2014-423, Chilkat River_PN Drawings