Lake Maloney

Lake Maloney 2019 EMERGENCY PLANNING INFORMATION IMPORTANT INFORMATION / Please read and save Dear Neighbor of Lake Maloney Dam, This calendar is being supplied to you by Nebraska Public Power District as a way to inform you on what actions to take in the unlikely event of an emergency at Lake Maloney Dam. The following pages include protective action guidelines recommended by federal, state, county and city officials. We have included a map of the expected flood inundation area which will be immediatly effected in the event of dam failure and evacuation routes in the area downstream of Lake Maloney Dam. If you are located in or near the inundation area and an alert is issued, tune into your local radio or television station for further information. Reception Centers have been established at the North Platte Mall and North Platte Community College - South Campus, outside of the inundation path. Please read the emergency planning information found in this calendar and Patrick L. Pope, President & CEO / Nebraska Public Power District keep it close at hand. If you need additional information or have questions, please contact North Platte/Lincoln County Emergency Management at (308) 532-7383 or NPPD at (308) 532-9200. LAKE MALONEY 1 IMPORTANT EMERGENCY PLANNING DO NOT DISCARD INFORMATION Please read and keep this emergency planning material. History of Lake Maloney Table of Contents Lake Maloney is an off-channel regulating reservoir for the North Platte Map of flood inundation path and evacuation routes .....................2 Hydro located approximately four miles south of North Platte, Neb. The normal maximum surface area is 1,670 acres, the normal maximum Protective Action Chart ......................................................................3 surface elevation is 3,006 Mean Sea Level (MSL), and the gross storage How would I be notified? ....................................................................3 capacity at normal maximum surface elevation is 21,600 acre-feet. What should I do if sirens sound? ....................................................3 Lake Maloney was formed by constructing a compacted-earth dam. Local television and radio stations ...................................................3 Construction of the dam began in 1934 and was completed in 1935. The dam is 8,700 feet long and 44 feet high at its maximum fill. Its crest Evacuation routes ..............................................................................3 width is 20 feet at elevation, 3,014 MSL. Who would be affected? ....................................................................4 Reception centers ..............................................................................4 Safety of Lake Maloney Dam What if I am outside of the affected area?.......................................4 About the Early Warning System .......................................................4 Lake Maloney Dam is an ungated, compacted-earth fill dam. The reservoir formed is off-channel with very limited drainage area and For more information regarding the Emergency Action Plan or to request controlled inflow and outflow. The dam is visually checked on a routine additional copies of the calendar, write or call: basis. An alarm system is currently located immediately downstream North Platte/Lincoln County (or) Nebraska Public Power District of the dam. The system notifies the hydro operator at the North Platte Emergency Management 402 East State Farm Road Hydro if there is leakage through the dam. The operator can then take 715 S. Jeffers North Platte, NE 69101 appropriate action. North Platte, NE 69101 (308) 532-9200 (308) 532-7383 2 NORTH NPPD TAIL RA C PLATTE E C MALL A NPPD N 83 A NORTH PLATTE Y AREA L FORE BA HYDRO NPPD 80 6 ROAD FARM STATE 83 POWER AREA CANAL 3 VENUE A NORTH CITY OF AREA ROAD NORTH PLATTE 4 MID PLAINS COMMUNITY LAKE COLLEGE MALONEY SOUTH CAMPUS NPPD ECHO SLOUGH DRIVE ALKER DAM W 4.33 EUGENE FREMONT AREA 5 AREA 2 AREA 1 SOUTH BUFFALO BILL AP PR OXI MATE A FLOOD ARE 2.50 3.51 Table of Flood Depths & Peak Flow STATE FARM ROAD FARM STATE Time From Lake Maloney 0.16 SOUTH PLATTE RIVER DISTANCE ARRIVAL TIME TO MAX INCREMENTAL PEAK Colored Areas Have DOWNSTREAM TIME PEAK ELEVATION RISE FLOW (MILES) (HR:MIN) (HR:MIN) (FT) (FT) (CFS) SOUTH RIVER ROAD Greatest Chance of Flooding If The 0.16 0:35 2:15 2,981 10.4 96,930 2.50 0:52 2:33 2,865 11.3 96,482 Dam Failed 3.51 1:23 2:41 2,820 5.8 96,075 80 4.33 1:41 2:59 2,812 7.8 94,549 HOMESTEAD ROAD CROSS SECTION RECEPTION APPROXIMATE EVACUATION (Miles below Lake Maloney Dam) CENTERS FLOOD AREA ROUTE 3 Protective Action Chart: What should I do if sirens sound? The sirens are a mechanism to alert you to tune to your local radio or Location / Evacuation Routes Reception Centers television station. Local radio and television stations will give specific details on what to do. AREA 1 Travel to State Farm Road to Mid Plains Community Local radio and television stations Mid Plains Community College. College - South Campus Your local radio and television stations are the best source of AREA 2 up-to-the-minute emergency information and advice. Travel west on Walker Road to Hwy. 56C (south of North Platte Mall parking lot Local radio and television stations: Hershey) north across the Interstate and through Hershey to Hwy. 30 and then east to Hwy. 83 at Radio Stations North Platte. Turn south on Hwy. 83 to East North Platte KZTL-FM 93.5 MHz (FM dial) William St. and west into the mall parking lot. North Platte KELN-FM 97.1 MHz (FM dial) North Platte KHAQ-FM 98.5 MHz (FM dial) AREA 3 North Platte KRNP-FM 100.7 MHz (FM dial) Travel east on Walker Road to North Platte Mall parking lot Highway 83, then north into North Platte. North Platte KXNP-FM 103.5 MHz (FM dial) North Platte KODY-AM 1240 KHz (AM dial) AREA 4 North Platte KOOQ-AM 1410 KHz (AM dial) Travel east on Eugene Ave. to North Platte Mall parking lot Television Station Highway 83, then north into North Platte. North Platte KNOP-TV Channel 2 or 3 AREA 5 North Platte KNPL-TV Channel 10 / 11 Travel west on Eugene to Buffalo North Platte Mall parking lot Other Bill Avenue, then north into North Platte. NOAA Weather Alert Radio AREA 6 Travel to Highway 83, then north into North Platte Mall parking lot Evacuation Routes North Platte. Evacuation routes have been established by the Lincoln County Emergency Management Agency. Routes are shown on the map above and listed in How would I be notified? the accompanying Protective Action Chart. It is important that you identify your location on the map and determine your evacuation route to safety. Should a major emergency occur at Lake Maloney Dam, sirens will sound Advanced preparation will be critical in the event of an actual emergency. a steady tone for three to five minutes. This will alert you to turn on your radio or television for information. Lincoln County uses smart 911 with Rave Alert to call your home phone or cell phone during emergencies. To register your phone number, call (308) 535-6789, or log onto In the event of an emergency, time is www.ci.north-platte.ne.us. of the essence. It is important for you to know that this siren warning system has more than one use. It also can be used by local officials to warn of other Be prepared, and take appropriate emergencies, such as a fire or severe weather. Listen to your radio or action calmly and quickly. television for additional information. 4 Area immediately effected in the event Reception Centers of a dam break at Lake Maloney Should an evacuation be directed for all or any part of the flood area, Emergency planning is for everyone -- individuals, private organizations reception centers have been established at the North Platte Community and governmental agencies. College - South Campus and the North Platte Mall parking lot. More specific information will be given on local radio and television stations. The Federal Energy Regulatory Commission has directed that special attention be given to people downstream of Lake Maloney Dam. Upon arrival at a reception center, please sign in. This will help officials with Residents and businesses that would be immediately affected in the accountability and help answer inquiries about your welfare. If you need flood inundation area are south of I-80, west of Newberry Access Road, assistance in finding food and lodging, please notify an official on duty. north of State Farm Road and 1/2 mile east and west of South Buffalo Bill Avenue going north from Lake Maloney Dam. Roads and streets with residences or businesses that are most What if I am outside of the affected immediately impacted by the inundation area are: area? If you are outside the flood area identified on the map on page 2, but still in Alma Lane Ioke Street South Willow Street close proximity to the area, you should stay in your home, and listen to your Appaloosa Drive Lynn Court Sioux Meadows Drive Arent Lane Maris Road Skyview Road local radio or television stations for further instructions. Echo Drive Mary Sue Avenue Spring Road Eugene Avenue Meadow Court State Farm Road, west of Fremont Drive Oak Street Valley Christian Church About the Early Warning System Goldenrod Court Parker Road Valley Drive If an emergency occurs at Lake Maloney Dam, NPPD will immediately Hackberry Court Pine Drive Valley Vista Drive notify state, federal, county and city officials. If necessary, flood warning Hasenauer Court Robin Lane Walker Road information will be broadcasted over local radio and television stations, Heritage Drive Russian Olive Drive War Bonnet Drive Highway 83 South Bare Avenue Willowind Road including weather alert radio. Holiday Frontage Road South Buffalo Bill Avenue An Early Warning System made up of sirens is located in the probable flood area; this system is used to inform residents within the flood area that an emergency exists.

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