News

Lake Conroe, Bayou, and Creek Update

By San Jacinto River Authority | September 19, 2019

UPDATE Lake Conroe, Bayou, and Creek Update at 2:00 PM:
Intense rainfall rates of 10-15 inches on average fell across the Kingwood, Humble, Huffman, Crosby, Atascocita, Highlands, and Mont Belvieu areas. This has caused flash flooding in urban areas, overbank flooding, and near bankfull conditions across Northeast Harris County, Liberty County, and Southeast Montgomery County.

Lake Conroe is currently at 199.04 feet above mean sea level (msl), which is two feet below normal pool elevation of 201-feet. The Lake Conroe watershed has averaged about an inch and a half of rainfall in the past 24 hours, with isolated rainfall just over four inches. Lake Conroe dam gates remain closed and no water is being released.

Road closures per Montgomery County Office of Homeland Security and Emergency Management:
· 2854 / W Loop
· FM 2090 & FM 3083
· Rocky Road / Crystal Creek
· S Frazier (75) & S Loop 336
· Grogans Mill & Wellman Rd
· Aldine Westfield & Legend Estates
· Birnham Woods & Imperial Promenade
· 1st / Hill and Dale
· 59 & FM 1314
· 59 & 2090
· 29600 Robinson
· FishCreek Thoroughfare / 2854
· 45 & 242
· Lake Front & Six Pines
· Lake Robbins Dr
· 45 & 336
· Imperial Oaks & Rayford
· Aldine Westfield & Northridge Forest
· 21000 Riley Fuzzel
· Willis Waukegan & Marshall
· Rose Rd & 1484
· 3083 & S Loop 336
· Crater Hill & 3083
· Willis Waukegan
· 1314 & Creighton
· 830 & Post Oak
· Douget & Sadie
· Whiporwhill & Crystal Creek
· River Oaks Dr and Needham
· North Woodloch
· 10700 – 10800 River Oaks Dr
· Ruby St & FM 2090
· Oak Lawn & Enloe
· First St & Memorial
· Cole Dr & Pinemont
· E Christine & US Hwy 59
· Dallie Sue & FM 2090
· Cox St & Old US Hwy 59
· US 59 & Rebel
· Punkin & Penny
· Tommy Smith Rd & Fire Tower
· FM 1485 & Fire Tower
· 26100 block Hill and Dale Ave
· Porter Lane Rd & Porter Ln
· 18300 Old Houston Rd
· FM 1485 & Vick
· 1st St & FM 2090
· Vick & White Oak Dr
· S Navasota
· N Navasota
· Trinity Way
· Huff Rd & Daw Collins
· Idle Glen Rdwy
· FM 2090 near Morgan Drive
· Valley Ranch & Valley Ranch
· Morgan Cemetery & Fostoria
· FM 2090 & Tram Rd
· Hwy 59 & Creekwood
· 27880 E River Dr
· FM 1485 & San Jacinto River
· Old Hwy 105E & S Duck Creek Rd
· E River & 59
· Duke Rd & 2090
· S Tram Rd & Hill and Dale
· Tallow Vista & Fostoria
· 59 & Kingsport
· 105 & Fosteria
· 59 & 242
· Fosteria & Tallow Vista
· US 59 & FM1485
· US 59 & Roman Forest
· Gene Campbell/1485
· FIRE TOWER / FM 1485
· First St & Ruddick
· US 59 / FOSTERIA RD

Several bayous are near the top of banks, while San Jacinto, Cypress Creek, White Oak, Greens, Halls, Hunting and Cedar Bayous have overtopped their banks. An update on bayous and creeks that Flood Control District officials are watching closely:
The following are out of banks:
· Lake Houston at FM 1960
· Caney Creek at FM 2090
· Peach Creek at FM 2090
· East Fork San Jacinto at FM 1485
· East Fork San Jacinto at FM 2090
· Garners Bayou at Beltway 8
· Greens Bayou at US 59
· Halls Bayou at Airline Drive
· P138 at Aldine Westfield Road
· Cedar Bayou at US 90
· Gum Gully at Diamond Head Boulevard
· Buttermilk Creek at Moorberry Lane
· Little White Oak Bayou at Tidwell Road
· Brickhouse Gully at Costa Rica Road
· Cedar Bayou at FM1942
· Cypress Creek at Cypresswood Drive
· San Jacinto River at US 59
· San Jacinto River at US 90
· White Oak Bayou at Heights Boulevard
· Brickhouse Gully at Hollister
· South Mayde Creek at Greenhouse Road
· Hunting Bayou at Lockwood Drive
· Hunting Bayou at I-10

The following are nearing bankfull:
· Clear Creek at Bay Area Boulevard
· San Jacinto River at Lake Houston Pkwy
· Greens Bayou at Beltway 8
· Garners Bayou at Rankin Road
· Cedar Bayou at SH 146
· Halls Bayou at Jensen Drive
· Briar Branch at Campbell Road
· Rummel Creek at Brittmoore Road
· Goose Creek at Baker Road
· Little White Oak Bayou at Trimble Street
· San Jacinto at SH 242
· Armand Bayou at Genoa-Red Bluff Road
· Carpenters Bayou at I-10
· Carpenters Bayou at US 90
· Hunting Bayou at Loop 610
· Halls Bayou at Tidwell Road
· Buffalo Bayou at Milam Street
· Willow Water Hole at Landsdowne
· Keegans Bayou at Rocky Road
· Keegans Bayou at Keegan Road
· Buffalo Bayou at Peek Road

Widespread street flooding continues across Harris, Liberty, and Montgomery Counties Residents in these areas should not travel and stay off the roadways. All other bayous and creeks are responding and remain within banks.

For a list of flooded street locations, visit the Houston Transtar website at https://traffic.houstontranstar.org/roadclosures/#highwater

Rainfall and bayou water levels can be monitored on the Harris County Regional Flood Warning System website (desktop and mobile versions) at: harriscountyfws.org. Continue to follow us on Facebook @SanJacintoRiverAuthority and Twitter @SJRA_1937 and @HCFCD for updates.

UPDATE September 19, 10 a.m. (posted 11:09 a.m.) – Intense rainfall rates of 3-5 inches per hour are moving into the Kingwood, Humble, Huffman, Crosby, Atascocita, Highlands, and Mont Belvieu areas. This will result in rapid onset flash flooding in urban areas, overbank flooding, and near bankfull conditions across Northeast Harris County, Liberty County, and Southeast Montgomery County early today.

Lake Conroe is currently at 199.02 feet above mean sea level (msl), which is two feet below normal pool elevation of 201 feet. The Lake Conroe watershed has averaged just over one inch of rainfall in the past 24 hours, so all Lake Conroe dam gates remain closed and no water is being released.

San Jacinto River Authority (SJRA) continues to coordinate with numerous operational partners to include: Harris County Flood Control District (HCFCD), Harris County Office of Homeland Security, Montgomery County Office of Homeland Security and Emergency Management, and Emergency Management, National Weather Service, and the River Forecast Center.

Harris County’s bayous, creeks and tributaries are continuing to respond to the runoff from heavy rainfall. Several bayous are near the top of banks, while San Jacinto and Cedar Bayou have overtopped their banks. An update on bayous and creeks that HCFCD officials are watching closely (as of 9:30 a.m.):

The following are out of banks:
East Fork San Jacinto at FM 1485
East Fork San Jacinto at FM 2090
Peach Creek at FM 2090
Caney Creek at FM 2090
Cedar Bayou at US 90
The following are nearing bankfull:
Cedar Bayou at FM 1942
Lake Houston at FM 1960

Residents in these areas should not travel and stay off the roadways. All other bayous and creeks are responding and remain within banks.
Widespread street flooding continues across Harris, Liberty, and Montgomery Counties.
Please check the Houston Transtar website at https://traffic.houstontranstar.org/roadclosures/#highwater for a list of street flooding locations.