Texas Environment & Hazard Risk

There were numerous water rescues within Houston and the surrounding suburbs. Flood waters completely inundated thousands of homes and businesses. Roads and highways in and around Houston were flooded and therefore closed for long time periods. Catastrophic flooding occurred on nearly every one of the 22 watersheds in Harris County. 10 out of the 19 bayous in the county reached record crests and flooding. There was widespread flooding along Buffalo Bayou and upstream and downstream of both Addicks and Barkers Reservoirs due to record level pool elevations. There was major flooding of hundreds of homes within numerous neighboring subdivisions along the San Jacinto River and the East Fork of the San Jacinto River.|There were numerous water rescues within Houston and the surrounding suburbs. Roads and highways in and around Houston inundated and closed due to flash flooding. ||Some of the reported flooded roads in Pasadena were Vista Street, Shafer Street, Fairmont Drive and Strawberry Road.

There were numerous water rescues across western and central Galveston County. Flood waters completely inundated hundreds to thousands of homes and businesses in League City, Dickinson and Santa Fe. Approximately 7,000 homes and 125 businesses were impacted by flood waters across the county. Clear Creek measured record levels that lead to the widespread flooding throughout Friendswood and League City. Major flooding occurred along the Dickinson Bayou; from Cemetery Road to east of Highway 3 along FM 517. Flood waters inundated sections of Interstate 45, Bay Area Boulevard, FM 528, FM 518 and numerous primary and secondary county roads. Approximately 7,000 homes and 125 businesses were impacted by flood waters across the county. Clear Creek measured record levels that lead to the widespread flooding throughout Friendswood and League City. Major flooding occurred along the Dickinson Bayou; from Cemetery Road to east of Highway 3 along FM 517. Flood waters inundated sections of Interstate 45, Bay Area Boulevard, FM 528, FM 518 and numerous primary and secondary county roads. There were numerous water rescues and flooded homes within the Friendswood, Pearland and Dickinson areas.

There were numerous road closures around the Rosenberg and Richmond areas. Some of these roads included Highway 90 at Highway 36 and Lane Drive, Lane Drive at Mustang Road and I-69 at FM 762 and Reading Road. Major record level flooding of both the Brazos and San Bernard Rivers caused significant home flooding from Richmond to Rosharon. Massive flooding occurred in Tierra Grande subdivision along the San Bernard River in southwestern Fort Bend County. Home flooding occurred at Valley Lodge in Simonton, along Edgewood and Baudet Roads in Richmond, along Bar, Barker, Cumings, Sixth Street, Avenue B and Rio Brazos Roads in Rosenberg. Sections of FM 2759 as well as the Grand River, Rivers Edge and Pecan Estates in Thompsons flooded. Many countywide roads became inundated in flood waters including, but not limited to, Highway 90A, Pitts Road, FM 1489, FM 723, FM 1093, FM 359, SH 6 feeder roads, Sienna Parkway, Carrol Road, McKeever Road, Knights Court, Miller Road, river Oaks Road, Thompsons Ferry Road, Strange Drive, Greenwood Drive, Second Street and low lying roads in Quail Valley in Missouri City. Due to record pool levels in Barker Reservoir, homes in Cinco Ranch flooded. Big...

Tropical Storm Harvey brought heavy rains and catastrophic flooding to portions of Montgomery County. There were 5 storm related fatalities, 3 direct. Major record flooding occurred along the San Jacinto River and tributaries. Water was reported over sections of I-45 northbound where TXDOT reported flooding at the FM 1097 intersection. Water was reported over sections of I-45 northbound where TXDOT reported flooding at the FM 1097 intersection. Record pool levels on Lake Conroe required downstream releases that flooded numerous downstream homes, businesses and vehicles. Major flooding occurred along the San Jacinto River and the east Fork of the San Jacinto and its tributaries inundated tens to hundreds of residential subdivisions. There were hundreds of flooded homes along Lake, Spring, Peach and Caney Creeks. There were impassable roads due to high water at Horseshoe Circle and Painted Blvd off the Grand Parkway, 19000 block of David Memorial from Sam's Club to Shenandoah Park, the 11000 block of River Oaks Drive, the 45 northbound lanes at Highway 242 and Hines Road in Willis. Flash flooding led to numerous road closures including FM149, FM1484, FM1485, FM1486, FM1774,...

Widespread and long duration rainfall produced a storm total rainfall over 40 inches across a large portion of the county. The highest rainfall totals in Jefferson County were 60.58 inches 1.5 mile southwest of Nederland and 60.54 inches 1.3 mile north of Groves. This resulted in over 64,000 homes being flooded. The hardest hit areas were Port Arthur, Groves, Bevil Oaks, Hamphire, Fannet, China, and northeast Beaumont. Several refineries in the county also received floodwaters and were offline for an extended period. City and county infrastructure was also damaged with water pumps and treatment plants being inundated. Record crests were observed along Pine Island and the lower Neches. 5 deaths were reported by flooding.

Flash flood waters, from sheet flooding and bayous/creeks coming out of banks, completely inundated hundreds to thousands of homes and businesses. Roads and highways in and around Pearland and south into Manvel, or east of Highway 288 along Highway 6, were flooded and therefore closed for long time periods. Major record flooding of the Brazos, San Bernard and Oyster Creek caused the flooding of hundreds to thousands of vicinity homes, vehicles and businesses. Numerous Roads and homes were inundated with flood waters on east side of Oyster Creek including the Columbia Lakes, Mallard Lakes, Great Lakes, Riverside Estates and Bar X subdivisions as well as homes along CR 39. Other county roads that became impassable due to high flood waters include, but are not limited to, FM 1462, Highways 35 and 90, FM 950, CR 25, 380A, CR 42 and FM 521. The Phillips refinery outside of the town of Sweeny took on water from the west near Little Linville Bayou. Hanson Riverside County Park along the San Bernard River southwest of West Columbia was inundated and water over-topped the Phillips Terminal. Areas around Alvin also flooded.