‰*¤ ű „lţţţ Fd9€ Š€Š€* Blž&lž* *|l€Š€& G *ŠC*:€&*ũ Celebrating 75 Years of Excellence

IN 2017, THE AMERICAN SOCIETY OF CIVIL ENGINEERS SECTION GRADED SEVEN CATEGORIES IN ITS G.P.A. REPORT CARD FOR TEXAS INFRASTRUCTURE: AVIATION, BRIDGES, DAMS, DRINKING WATER, , HIGHWAYS/ROADS AND WASTEWATER. THESE GRADES 76%OF TEXAS INFRASTRUCTURE IGH WERE DEVISED FROM KEY FACTS AND DATA POINTS 1,212 H F EDERAL A PPROACHING THE ABOUT EACH AREA OF INFRASTRUCTURE. FLOOD R ISK AMS CONTROL AND DAMS, TWO CATEGORIES OF D D ISTASERS ARE E ND OF ITS SERVICE INFRASTRUCTURE CRITICAL TO RESILIENCY AND STORM C- MANAGEMENT, RECEIVED GRADES OF D, MEANING THE F LOOD RELATED L IFE INFRASTRUCTURE IS POOR AND AT RISK. W HY

LEADERSHIP & PLANNING PREPARING FOR THE FUTURE FLOOD CONTROL DAMS INVESTMENT SMART INVESTMENT WILL ONLY BE WE HAVE TO UTILIZE NEW WE CAN NO LONGER AFFORD TO POSSIBLE WITH LEADERSHIP, APPROACHES, MATERIALS, AND DEFER INVESTMENT IN OUR NATION’S PLANNING, AND A CLEAR VISION FOR TECHNOLOGIES TO ENSURE OUR CRITICAL INFRASTRUCTURE SYSTEMS. OUR NATION’S INFRASTRUCTURE. INFRASTRUCTURE IS MORE RESILIENT. W H A T D D

FOR MORE INFORMATION ABOUT THE TEXAS REPORT CARD, PLEASE VISIT infrastructurereportcard.org/Texas TELL CONGRESS TALK ABOUT THE ASK FOR FUNDING TELL CONGRESS TO MAKE LARGE-SCALE R EPORT CARD GRADE WRITE YOUR MEMBERS OF CONGRESS FEDERAL INVESTMENTS IN WHILE WE HAVE MADE SOME PROGRESS, AND ASK THEM TO FUND THE NATIONAL INFRASTRUCTURE. THIS WILL ALLOW REVERSING THE TRAJECTORY AFTER D AM REHABILITATION PROGRAM SO STATES TO LEVERAGE LOCAL AND PRIVATE DECADES OF UNDERINVESTMENT IN OUR THAT OUR STATE’S “D” DAMS CAN FUNDING AND RAISE THE CURRENT INFRASTRUCTURE REQUIRES RECEIVE THE INVESTMENT THEY NEED. U*¦8Š GRADES. TRANSFORMATIVE ACTION. DamsDams Flood Control H O W ?

THE POPULATION OF TEXAS WILL *lbb*d&ŠGld MORE THAN DOUBLE OVER THE NEXT 70 YEARS, ECLIPSING 51 MILLION IN 2070

ONLY 6% OF THESE DAMS FLOOD CONTROL DAMS HAVE GOOD ȏREQUIRE MAINTENANCE AND INSPECTION ȏFUND EARLY WARNING SYSTEMS MAINTENANCE & PROGRAM FOR ALL HIGH HAZARD DAMS IN THE ȏDEVELOP STATE-WIDE FUNDING PROGRAM INSPECTION PROGRAMS THIS RESULTS IN MORE STATE. DEVELOPMENT ALONG ȏPROVIDE ADDITIONAL FEDERAL FUNDING TO BODIES OF WATER ȏI NCREASE FUNDING FOR DAM SAFETY PROGRAM UPDATE MAPPING THROUGHOUT THE ȏDEVELOP EMERGENCY ACTION PLANS FOR ALL STATE SIGNIFICANT AND HIGH HAZARD POTENTIAL DAMS ȏINVESTMENT IN INFRASTRUCTURE TO REDUCE ȏCREATE A STATE LOAN OR GRANT PROGRAM FLOODING Bl Šld $2.5 ȏDEVELOP REGULATION IN HIGH HAZARD AREAS BILLION ȏSTATE AUDITOR’S OFFICE AUDIT REPORT ON THE 2016 COST ‰C€l

*GRAPHICS CREATED AND PRODUCED BY EHRA ENGINEERING 1837 October:Racer’s Hurricane led Buff alo to 1930 May:A three day stationary storm over Harris County 1972 March:Thunderstorms led to evacuation of 700 inundate Main Street in with 4’ of water. estimated an average of 8-inches of rain over the 580-square families in northeast Harris County. 2000202 May:Storms cause major fl ooding on roadways. mile area Houston. 1839 February: 5 months after opening, Milam the Street 1972 April:Flooding along Cypress Creek and Greens Bayou. 2001 JuneTropical 6-9: Storm Allison, widespread fl ooding, Bridge over Buff alo Bayou was severely damaged by fl ooding. 1932 August:Freeport Hurricane caused widespread >35” of rain. was above fl ood stage and fl ooding on all of the . was 1972 Nov:Thunderstorms cause street fl ooding and damage.2000 Buff alo Bayou was 3.05’ above fl ood stage. More than 6000 fl ooded. 1841 February:Storms caused fl ooding that washed out Project Brays homes were fl ooded along Brays Bayou. Greens Bayou at 59 two bridges and destroyed buildings and homes along Buff alo initiated to complete was 6.81’ above fl ood stage. Greens Bayou out of its banks. 1973 June:Sims and Greens Bayous outir of their White Oak at Heights 9.5’ above fl ood stage. Bayou and White Oak Bayou. 1933 July:Tropical Storm fl ooded Houston bayous & region. 75 individual projects for banks. Families evacuated in Beechnut androoff tHillcroft area. Lives lost due to drownings and millions in regional detention W and streamsstream 1843 October:Flooding occurs on Buff alo, Whiteak,, andandd Oak, and 1935 December:“The Great Flood of 1935” damages reported. enhancements 1937 nhahancnceemenntss 2003202 November:300 homes fl ooded. 100’s of vehicles fl ooded. Brays Bayou. Bridges leading into the city weremeer submerged.ggeedd.. The State of inundated Houston Lighting and Power Ship Channel Texas, creates the Station & downtown buildings up to third fl oors. Houston’s Central Water Plant went under and was 1975 June:Families evacuated in Harris County . 2001 2006 June:Upper Level low remains over Houston causing 1875 September: Harris County Flood Initiation of the Indianola hurricane caused Control District nonoperational for weeks. fl ooding. 11” of rain fell south and east of Harris County. 3000 White Oak and Buff alo Bayou to be over 30 bofeetvvev above & Tropical Storm homes were fl ooded. normal. Bridges over Buff alo Bayou were swept awayestablished the Harris 1976:Multiple pg storms cause fl ooding & extensive damage.Allison Recovery wayy County Commissioners Project (TSARP) and there was major fl ooding in Greens & Halls Bayou. 1940 November:Five day rain event in NE Houston . Large you.u Court as the District’s 1978 November:Brays, Greens bayous fl ood, 2008 September: causes San Jacinto and Trinity River watershed residents to network of benchmarks Strikes . governing body causing street fl ooding. known as Floodplain swamps 2,500 structures. Major power outages. be evacuate and rescued. 11 deaths in Harris County >$28 Billion in damages. 1879 February|August:Devastating fl ooding onffal loBuff alo Reference Marks Bayou. Flooding downtown Houston. Major fl ooding on 1941p Sept:Hurricane in Matagordagg causes Houston fl ooding. 1979 April:Severe storms cause over $40m in damages. Greens & Halls Bayou. 2009 April:2100 homes fl ooded. Freeways fl ooded. 1942 July: Buff alo & White Oak Bayous fl ood out of their banks. 1979 September: Tropical Storm Elena causes extensive 1900 May:Flooding in Houston and region. 1943 July:Hurricane makes near Galveston and fl ooding & 2 drownings. moved inland, fl ooding Harris County. 1900 September:The Great Galveston Hurricane caused over 6,000 deaths when it made landfall and led to 1980 January:Heavy rains. Sims & Hunting bayou overfl ow. 1943 October:Hurricane makes landfall near Freeport. 2012 July:71 homes in Harris County and 334 homes widespread fl ooding in Harris County. Over 11,500 homes fl ooded in Harris County. fl ooded by training thunderstorms. 1981 May:Storms cause fl ooding in South East Houston. 2008 HOUSTON THROUGHH Extensive power outages 1945 1945 August:Hurricane near Port Aransas produced 1983 May:Storms caused fl ooding along severalarrris Harris caused by 2015 May:”Memorial Day Flood” Large thunderstorm THE YEARS Hurricane Ike complex stalls over Houston causing most freeways to be 1902 - 1904 record rainfalls. More than 15-inches in 24 hours and 1985 County creeks and bayous. Flooding along Sano Jacinto , result ConstructedConstrucCon caused major fl ooding on all bayous and streams. River upstream and downstream of Lake Houston. in improvements fl ooded. Homes in Meyerland area fl ooded. constructed HCFCD Voluntary . It was Buyout to Houstonarea proposed in 1875 after Program power grid. begins Over the decades, hurricane of Indianola. 1946 May:Storms cause fl ooding in Brays, Greens, 1983 August: caused extensiveng fl ooding 2016 April:”Tax Day Flood” Thunderstorms stream across & Sims Bayous.y throughout Harris County. Greens Bayou bridge ond Ley Road the upper Texas coast causing wide spread fl ooding - Jersey Houston, Texas in 1907 May:Flooding in Houston and region osimilar to 1948 measured 19.72 inches of rain. Village, along Cypress Creek and in Meyerland area. 1879. Addicks Reservoir 1949 Oct:Storms cause fl ooding in Brays & Greens Bayous. Harris County has Constructed 1983 September: Thunderstorms south of downtown 1950 February:Thunderstorms ahead of a cold front 2017 August: produced record rainfall, experienced hurricanes, caused rainfall over Greens Bayou. Kenwood Subdivision Houston cause more than 1,000 structures to fl ood along Brays Bayou. and is now recognized as a historic economic disaster. tropical storms, and residents evacuated. Massive amounts of rainfall forced the Army Corps of Engineers to begin controlled water releases from Addicks & severe storms causing Barker Reservoirs in an attempt to manage fl ood levels. 1955 May:Thunderstorm over North Harris County 1984 October:Flooding in Cypress Creek, Greens and fl ooding, damage, and precipitated 10 inches of rain in less than 24 hours. Streets White Oak Bayous. Residents evacuated and homes fl ooded. 1913 October|December:Southwest and Northeast and homes fl ooded. Estimated Damage was $36.2 million. loss of life. Houston has Harris County fl ooding caused bayous to be out of their banks, fl ooding downtown and citizens to be evacuated. recovered with mitigation 1957 June:Hurricane Audrey made landfall close to the 1989 May:Storms result in 1,400 homes fl ooded. 7-14 Texas/ border. Flooding reported throughout inches of rain over much of Harris County. Buff alo Bayou and projects, buyout Greens Bayou had levels above fl ood stage. Harris County.y programs, and public 1915 August:Galveston Hurricane causes widespread 1914 fl ooding in Houston. First USGS 1957 October:Garden Oaks, Oak Forest & Spring Branch 1989 June: causes extensive fl ooding. awareness programs. Topographic areas fl ooded. Maps Published for 1992 March:White Oak Bayou fl owed out of its banks and Harris County 1959 October:Thunderstorms caused fl oodingomemes homes fl ooded I-10. Record fl oods on upper Brays Bayou and many along the Brays Bayou and Kegans Bayou. 1996 bayous are out of their banks. Over 1,500 structures fl ooded. Sims Bayou Federal Flood Damage Reduction Projects 1994 October:Over 80 subdivisions were fl ooded with begin 3,400 structures reporting damages. 19 reported deaths.

1996 Sept:Widespread street fl ooding in Downtown Houston.

1998191 1997 MarchHeavy / May: rains fl ood streets, bayous, & homes. White Oak Bayou Federal Flood Damage 1998Multiple : fl oods 1400+ homes fl ooded throughout year. Reduction Projects begin 1998 SeptemberTropical Storm : Frances 7”-12” of rain over Houston. Homes in Jersey Village were fl ooded. Buff alo 1919 September:Hurricane near Corpus Christi causes 1960 June:Cypress and Spring Creeks and San Jacinto Bayou was 13.33’ above fl ood stage. Along White Oak Bayou great fl ooding in Brays Bayou with canoes and boats traveling 1300 homes were fl ooded. Buff alo Bayou at Milam was on Main Street. River and Sims Bayou were out of their banks. 150 families evacuated near Almeda Plaza and Sunnyside. 8.77’ above fl ood stage. White Oak Bayou at Heights was over its banks.

1961 July:Storms led to Cypress Creek fl ooding.

1961 September: caused heavy fl ooding in Houston area. Rainfall amounts of 8 to 10 inches with high winds. Bayous and streams were fl ooded. Lives were lost and homes damaged.

1964 May:Over 200 residents along Greens Bayou fl ooded. 1929 April:Gulf storm rainfall had duration of 14 hours and caused all bayous to be over their banks. 1966 April:Cypress Creek & Greens Bayou fl ood.

1929 May:Flooding caused closure of the Central Water Plant. Saturated soils and full Bayous from April storm caused 1969 February:Thunderstorms fl ooded homes and extensive fl ooding. San Jacinto River was reported to be 30 businesses in south and southeast Harris County. feet above normal.