TVA Averted Over $800 Million In Flood Damage In January, Officials Say

Wednesday, February 6, 2013

The Tennessee Valley Authority, through its system of dams and reservoirs, averted more than $800 million in flood damage to communities along the Tennessee River and its tributaries in January, according to officials.

TVA is using its 49 dams to store and then gradually release water after what was the third largest recorded rainfall and runoff for a January in TVA history.

During the month of January, the eastern part of the Tennessee Valley, including Knoxville and the Tri-Cities area, received approximately 10 inches of rain and the area below Chattanooga and West Tennessee averaged about 8 inches of rain. 

“We hold water behind the dams in order to minimize downstream flood impacts. After the high water crested on the Tennessee River and its tributary rivers, we started gradually releasing water out of the tributary reservoirs to recover storage space and to prepare for the next rain event,” said John McCormick, senior vice president, River Operations and Renewables.

TVA engineers use computer flood modeling, water elevation calculations and property value assessments along the Tennessee River and its tributaries to determine flood water impacts if TVA dams didn’t exist.

Areas estimated to have the most structural damage averted in January 2013 are:

·         Chattanooga, $710 million

·         Lenoir City, $61 million

·         Kingsport, $17.4 million

·         Knoxville, $7 million

·         South Pittsburg, $5.5 million

·         Elizabethton, $2.9 million

·         Clinton, $812,000

·         Savannah, $73,000

During an average year, TVA’s reservoir operations avert approximately $250 million in flood damage. TVA estimates it has averted nearly $7 billion in flood damage since it completed its first dam, Norris Dam, in 1936.

TVA continues to release water to recover flood storage space at most of its dams including all nine dams on the Tennessee River.  Excess water is also being released using spillway gates or sluice gates along with generators operating at maximum capacity at all 29 hydro generating dams, producing about 3,300 megawatts of electricity. That is enough to power about 1.8 million homes.

“We try to avoid spilling water because it’s low-cost power generation, but when we have a lot of water our No. 1 priority becomes reducing flood damage risks. This is a perfect example of why TVA lowers the reservoirs to their lowest elevations during the fall and winter months,” Mr. McCormick said.

A graphic depiction of TVA’s operation of the reservoir system is at http://www.tva.com/news/releases/janmar13/averted.html. Information on the river system and specific reservoirs is available on TVA’s Web site at http://www.tva.com/river and on TVA’s free app for the iPad, iPhone and Android devices.  Links to download the apps are available at http://www.tva.com/mobile.  For photos of various TVA dams spilling excess water, visit TVA’s Flickr site at http://www.flickr.com/photos/tennesseevalleyauthority.


Latest Hamilton County Jail Booking Report

Here is the latest jail booking report from Hamilton County: BOTTS, KAITLIN RENEE  148 HOLLYBERRY LN CHATTANOOGA, 37406  Age at Arrest: 31 years old Arresting Agency: Chattanooga PUBLIC INTOXICATION DISORDERLY CONDUCT --- BOZEMAN, CRYSTAL WHITNEY  4509 KIRKLAND AVENUE CHATTANOOGA, 37410  Age at Arrest: 29 years old Arresting Agency: Hamilton ... (click for more)

kunesh Calls For City Racial Disparity Study

City Council District 8 candidate tom kunesh said the "selection of the local all-white Hefferlin & Kronenberg Architects firm by the city of Chattanooga to design and lead neighborhood input into a new $6 million Avondale Recreation Center for Avondale's 99 percent black population should make any race-conscious person wonder what the city’s contractor selection process is, ... (click for more)

Rhonda Thurman: Speaking The Truth About CSLA - And Response

One parent called me a “Liar” during Thursday’s Facilities meeting. Others from CSLA have been a bit more creative saying that I spread “misinformation”, “falsehoods” and “spread inaccurate statements”. Then there were more descriptive terms- “arrogant”, “uninformed”, “unprofessional”- if these CSLA parents don’t stop, they are going to hurt my feelings. In this letter, I will attempt ... (click for more)

Roy Exum: Illegals Cost Us Billions

We learned over the weekend that John Kelly, our new Secretary of Homeland Security, has just prepared two strongly-worded memos that could greatly enhance federal authorities to detain and/or deport illegal immigrants both inside the United States and those caught at our borders. All rational United States citizens know we have a horrible problem with illegals – in 2010 the annual ... (click for more)

Bradley Runs Away With Another AAA State Crown

FRANKLIN, Tenn. – Bradley’s Ben Smith may be one of the most excitable wrestling coaches on earth, especially when his Bears are in the middle of a tough tournament. Such was the case here at the Williamson County Agricultural Exposition Center this weekend as the Bears successfully defending their traditional title at the TSSAA State Meet as they finished the three-day event ... (click for more)

Father Ryan Wins Fourth Straight D-II Mat Title

FRANKLIN, Tenn. – The Father Ryan wrestling team can now honestly boast “four-peat” when anyone asked about the most recent Division II state wrestling tournament. The Purple Irish won the state duals two weeks ago and they added another traditional title here at the Williamson County Agricultural Exposition Center Saturday night. Saturday’s victory is the 21 st overall for ... (click for more)