Nolichucky Dam Update - tva.com
TVA is monitoring the situation at Nolichucky Dam as remnants of Hurricane Helene brought 19+ inches of rain to the area, causing flash flooding. As of 9 a.m. ET, September 28, the Nolichucky Dam is intact. Local Emergency Management Agencies have ordered evacuations, which are still in …
TDOT: Nolichucky Dam flow almost twice Niagara Falls during …
Sep 30, 2024 · The utility posted a video of the dam the morning of Sept. 28, when water was receding by one feet each hour. The record flow of water over Nolichucky occurred late the night before. Despite the ...
TVA: Nolichucky Dam survived flooding, but restoration will take …
4 days ago · The Nolichucky Dam is a "run-of-the-river" dam, meaning it does not provide water storage to control flooding. Under normal operating conditions, around 7,500 gallons of water spill over the dam ...
Helene breaks flood record at the Nolichucky Dam
1 day ago · TDOT reopens I-26 in Unicoi County with one lane in each direction. Waterflow over the Nolichucky Dam at the height of flooding was 1.3 million gallons per second. “Our new flood record now is ...
TVA said the Nolichucky Dam 'is stable and secure': updates
Sep 28, 2024 · The Nolichucky River at the Nolichucky Dam rose from 43.32 feet at 4 p.m. Sept. 25 to 62.57 feet at 10:15 p.m. Sept. 27, according to National Oceanic and Atmospheric Administration models.
TVA provides look at Nolichucky Dam restoration more than one …
4 days ago · GREENE CO., Tenn. (WVLT) - Just more than one month after Hurricane Helene brought flooding rains to East Tennessee, the Tennessee Valley Authority provided a look at a dam once considered at imminent risk of failure. The Nolichucky Dam, built in 1911, faced waters from a one in 13,000-year rain event. On an average day 7,500 gallons of water ...
Nolichucky Dam's function and safety remain secure following …
4 days ago · GREENE COUNTY, Tenn. (WCYB) — The day Helene hit the Nolichucky Dam, the Tennessee Valley Authority had crew members out overseeing the high water levels. Senior Program Manager of Dam Safety ...
TVA Officials Provide Update On Nolichucky Dam | Local News ...
4 days ago · At the height of the 2024 flooding, the Nolichucky Dam peak water elevation hit 1,266 feet above sea level, which is 9.5 feet over the record elevation of 1256.5 feet set on Nov. 6, 1977, TVA ...
Tennessee dam that sparked fears of failure during Helene gets ...
Oct 18, 2024 · Waves of raging river water were seen crashing over the Nolichucky Dam in Tennessee as authorities feared its imminent breach on Friday. The Tennessee Valley Authority said the breach could cause potentially life-threatening flooding downstream.
TVA Releases Helene Data
2 days ago · Since 2010, TVA has invested more than $1.23 billion in dam safety projects. Water flow over the Nolichucky Dam at the height of flooding was 1.3 million gallons per second. The dam did not fail and remains stable. The dam’s old powerhouse has been removed because of damage caused by flood waters - the facility hadn't been in service since 1972.