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About The daily Astorian. (Astoria, Or.) 1961-current | View Entire Issue (April 13, 2018)
3A THE DAILY ASTORIAN • FRIDAY, APRIL 13, 2018 Ports in Ilwaco, Chinook deal with silt tive dredge material disposal options. They will explore potential sites through the combined Ilwaco and Chinook dredge material disposal plan. The Chinook upland dredge material disposal site is at capacity. The plan is to increase the capacity by managing the material on site to allow dredg- ing in early 2019, Glenn said. The dredge material disposal site in Ilwaco is nearing capac- ity, despite years of manag- ing the material on site. Up to 2,500 single dump truck loads of material are dredged from Ilwaco marina each year. “We estimate in excess of 170,000 cubic yards of dredge material is currently contained at our upland dredge material disposal site in Ilwaco,” Glenn said. “It would fill over 14,000 single dump trucks.” It would be “extremely expensive” to relocate the existing upland dredge mate- rial, according to Glenn. “We would need to identify sites where it could be hauled to contingent on adequate funding,” he said. Options for in-water dis- posal will be explored during the planning process. “Dredge material would have to be transported by a submerged pipeline to a per- mitted location within one to two miles of our marinas in Baker Bay,” Glenn explained. “A booster pump may also be needed, adding additional expenses, along with the chal- lenge of managing submerged dredge pipe in the strong tidal currents we experience at the mouth of the Columbia River.” Other alternatives may emerge during the planning process. Work on the Chinook upland disposal site will take place in the next four to six months to prepare for dredg- ing in early 2019. Dredging in Ilwaco is planned to start in November. “The funding we received from the state is greatly appreci- ated and we would like to thank Rep. Brian Blake, Sen. Dean Takko and Rep. Jim Walsh for their support,” Glenn said. “A more comprehensive approach is needed and this funding will buy us time to keep the priority areas maintained.” Agencies get crucial funding By LUKE WHITTAKER Chinook Observer ONG BEACH, Wash. — Silt continues plaguing two local ports, threaten- ing access and limiting moor- age. Port Manager Guy Glenn Jr. is hopeful a remedy to the mucky situation will result from recent funding in the state’s supplemental budget. In March, Washington state legislators finalized Senate Bill 6095, including $450,000 to help the ports of Ilwaco and Chinook with marina mainte- nance dredging. Chinook and Ilwaco will receive $275,000 and $175,000. Lawmak- ers also provided $77,000 to explore options for sediment disposal, a crucial need as dis- posal sites have reached or are near capacity. “Current state funding should carry us through two to three years in Chinook while we work on a comprehensive approach for both marinas, including dredge material dis- posal alternatives,” Glenn said. Since 2016, the ports of Ilwaco and Chinook have operated under an interlocal agreement. L Photos by Luke Whittaker/Chinook Observer ‘The Port of Chinook went several years without significant maintenance dredging leading to a buildup of material in the marina,’ Port Manager Guy Glenn Jr. said. Port of Chinook Port of Ilwaco Please 15,000 and 30,000 cubic yards of material are removed annu- ally from the marina from November through Febru- ary, dates designated to avoid potential impacts with migrat- ing salmon. The permitted depths in the Ilwaco marina range from 8 to 16 feet. “The current conditions require us to perform annual maintenance dredging in our priority areas in Ilwaco,” Glenn said. “We continue to focus our efforts on maintain- ing access for commercial fishing vessels and maintain- ing access to our fuel docks and to our haul-out facility (Ilwaco boatyard).” Commercial fishing vessels generally have a deeper draft in comparison with most rec- reational vessels, and count for more when it comes to keeping the port’s access open to the Adopt a Pet! MABELINE 6 year old Tortoiseshell Add another dimension of enjoyment to your life with this plush little doll. You won’t regret it. Parts of the Port of Chinook mooring basin are inaccessible at low tide due to silt buildup. deeper waters of the Columbia River and Pacific Ocean. “Commercial seafood ton- nage and off-ship value landed at our ports is essential when advocating for federal funds to maintain our entrance chan- nels connecting our marinas to the Columbia River and Pacific Ocean,” Glenn said. “Commer- cial seafood tonnage and the corresponding off-ship value are determining factors when advocating for federal funding to perform maintenance dredg- ing in the Ilwaco and Chinook entrance channels.” Addressing failing pile dikes — which are essentially walls to direct sediment away from navigation channels — along the outer portion of the Ilwaco entrance channel is also an ongoing concern for Glenn. “A long-term investment in the pile dikes along the Ilwaco channel should ultimately increase reliability for chan- nel users and decrease annual maintenance dredging costs with less pressure to dredge on an annual basis,” he said. “The pile dikes were originally designed to utilize the water current to scour the bottom and prevent the channel from silt- ing in. 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Disposal sites Glenn said it is critical for both ports to find alterna- ag e S m m See more on Petfi nder.com and have not been maintained. They are separating from land and deteriorating leading to much higher rates of siltation in the channel.” e al The Port of Ilwaco started a maintenance dredging program nearly 20 years ago. Between Silt continues to plague the Port of Chinook. Ru During low tide at the Port of Chinook, boats crowd the center fingers of the marina as shallower docks on the fringes remain vacant. “The depth conditions in Chinook have made some areas inaccessible in the marina,” Glenn said. “We have areas in the marina where the docks sit in the mud at low tide.” The Port of Chinook marina is federally permitted to minus 10 feet in the commercial dock area and minus 8 feet in the recreational dock areas. In February 2017, depths var- ied throughout the marina — ranging from 3.5 feet to 9 feet, and have worsened in some areas since. “Silt continues to build up in the marina and we do our best to accommodate the needs of our moorage customers,” Glenn said. Compromises have already been made with some slips being restricted to shallow draft vessels only. The rate of accumulation is unclear. “A formal study has not been performed to determine the rate of siltation in our mari- nas,” Glenn said. “Chinook went several years without sig- nificant maintenance dredging leading to the buildup of mate- rial in their marina.” CELEBRATING 35 YEARS OF COMMUNITY RADIO! April 14, 2018 • 6–10 pm “The Ruins” Astor Hotel • 1423 Commercial Street D.J. 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