The Dalles Lock & Dam Tribal Housing Village Development Plan, Portland Metro Levee System feasibility study, Detroit Dam & Lake Downstream Fish Passage. Stand by to pay out or take in mooring line as the water level in the lock rises or falls. Stand clear when the red light is on. Personal watercraft of the 'sit down' variety are allowed to lock through, but must enter and depart according to the lock operator's instructions. A lock can be thought of as an elevator to carry a vessel up or down from one pool to the next. Tows cannot be maneuvered to change course quickly. They mark the river's navigable channel. Canoes & kayaks may signal that they want to lock through by using the small boat signal located near the end of the upper and lower lock walls, or by marine radio. The mission of the U.S. Army Corps of Engineers is to deliver vital public and military engineering services; partnering in peace and war to strengthen our nation’s security, energize the economy and reduce risks from disasters. After signaling that you want to lock through, wait for the lock operator to signal that you may enter. Turbulent water is created during lockage. Stand Up Paddleboards have been excluded from the list and will be required to portage. Steer your vessel directly towards the lock. All Corps navigation locks on the Columbia River are temporarily closed from March 7 - 22 for regularly scheduled annual inspections, preventative maintenance and repairs. Don't leave motor of craft running during lockage. Passengers should remain seated during lockage. This is the official public website of the Louisville District, U.S. Army Corps of Engineers. The Secretary of the Army has ordered the U.S. Army Corps of Engineers to pass vessels through the locks in the following order: (a.) A flashing green light means: Enter the Lock. Fast speeds endanger your own boat, other craft, and the lock gates. The lock operator may, in addition to the traffic lights, signal you with an air horn. Carry aboard at least 50 feet of mooring line to be used during lockages to tie crafts safely to the lock wall. The 'stand up' variety of watercraft must be tied-off to an approved vessel during approach, lockage and departure with the operator remaining on-board the approved vessel until clear of the lock approach wall. Traffic signal lights guide you at all navigation locks on the Ohio and Kanawha rivers. The boat arriving first usually will be locked through first, but there are exceptions.
Avoid passing across the head or line of travel of tows. Always wear a PFD (life jacket) when it is necessary to handle lines on deck or in rough weather.
Keep away from the head of barges moored along the shore. The craft must remain stable.

Larger boats should use two separate mooring lines leading from bow to stern to separate mooring posts on the lock wall. Keep away from the stern of passing tows. When the lock doors began to open inward, I paddled through them, awed by the scale of a dam and the engineering feat of holding back so much water, generating power, and allowing smartasses in canoes to pass through routinely, no big deal. "NO BOATING" areas have been established immediately upstream and downstream of the Dam. Aerial view of a vessel, properly moored for safe lockage. Vessels desiring lockage shall on approaching the lock give the following signal at a distance of not more than one mile from the lock: one long blast of the whistle followed by one short blast. The lock operators have been given the same authority over your boat in the lock as traffic policemen have over your car at intersections. Lock operators can also be contacted by phone. Contrary to what many people think, no pumps are used to fill or empty a lock; the water simply flows by gravity. Open every day and always free, Ohio’s state parks and waterways provide a refuge from the pace of modern life.

Dedicated in 1968, construction of John Day Lock & Dam was completed in 1971. When the level of  water in the lock reaches that of the lower pool, the downstream miter gate is opened to allow the vessel to move out into the pool. Always wear a life jacket on deck. Commercial vessels and government contract vessels take precedence between September 15 and May 15. Do not tie up to ladders or recessed mooring pins along the wall. Radio ahead: Vessels equipped with marine VHF-FM Channel 14 should contact the lock operator as soon as contact can be made, or at least 30 minutes before arrival at the lock. Lock operator instructions: Please follow all directions from the lock operator when using the locks or operating in the vicinity of the locks. Be "dam" conscious! The order of passage through the lock is at the discretion of the lock operator. DO NOT ENTER!

Currents are strong in this area, and your boat may be drawn into or under the gates. Carelessness has resulted in loss of boats and loss of lives. The official public website of the Portland District, U.S. Army Corps of Engineers. On a down river approach, a dam is difficult to see. Use fenders to save damage to boats and to lockwalls. It takes about 15 minutes to fill or empty a lock chamber. In a crowded lock chamber, you may also be asked to tie off another boat. If a large craft is leaving the lock and is headed in your direction, stay clear of departing craft. Lock operator instructions: Please follow all directions from the lock operator when using the locks or operating in the vicinity of the locks. As a general rule, remain at least 200 feet astern of the vessel ahead. Make sure there is a mooring ring or similar device on your boat to tie the mooring line to. With the downstream gate closed, the vessel moves into the lock chamber filled to the upper pool level, the upstream gate is closed behind the vessel, the water is permitted to drain out of the lock through valves, and the vessel is lowered with the level of the water. (Whistles for the convenience of small craft operators are located at the ends of the guide walls at some of the locks.). Do not approach the dam. Lock operator has final authority on the suitability of a craft for lockage. When approaching a lock, wait for the lock operator to signal that you may enter. Use fenders to save damage to your boat and to lockwalls.

Follow the instructions of the lock operator. Safe recreational lockage through John Day Dam. For more information got to the US Army Corps Little Rock District site: http://www.swl.usace.army.mil/navigation/lock.html. You should stay past the end of … Wait for the lock operator's signal before untying mooring lines to leave the lock. You should stay past the end of the lock walls until you are signaled to enter the lock. Boaters without radios should look for signs directing them to pull cord signals and intercoms located up- and downstream from the lock. Lock operator has final authority on the suitability of a craft for lockage. Click to learn more. This will allow the person at the free end of the line to pay out or take in mooring as the water level changes. Make sure there is a mooring ring or similar device on the boat to which a mooring line can be tied. Neither passengers nor freight may be unloaded at the locks.


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