Found this, thought you might be interested. It gives much family info! You may have already seen it.http://www.wchm-tx.org/San_Gabriel_river_Flood_of_1921.htm
A special thanks to Darwin for letting us post this wonderful first person story about the flood.)
"The Big Flood of September 8, 1921
By Darwin Machu
My grandmother, Frantiska Knezek Kveton , was born on October 10, 1869 at house number 609, in Frenstat, Moravia. This land is in the northeastern part of what is currently known as the Czech Republic. Her parents were Josef Knezek and Frantiska Majer Knezek. She had four brothers and five sisters. At the age of eleven, in 1881, she immigrated to America with Alois Petr, his wife, Marie, and their children. Her connection to the Petr family is unknown. After arriving in America, Frantiska lived with the Petr family until Alois died.
Vaclav (Venceslaus, Wenzel, Vince, Jim) Kveton (my grandfather), was born on September 2, 1857 at house number 63 in Stary Smolivec, Bohemia. Stary Smolivec is also now a part of the Czech Republic, located southwest of Prague. His parents were Matej Kveton and Marie Hlinka Kveton. Vaclav immigrated to Texas in November 1882.
Vaclav Kveton and Frantiska Knezek were married on November 18, 1889 at the Live Oak Hill Catholic Church in Fayette County, Texas. They farmed near Ellinger, Texas long enough to have seven children, two sons and five daughters. They then moved to Coupland, Texas where another son was born.
In March 1917, they moved from Coupland to Granger, Texas, where they bought a farm about six miles southeast of Granger, on the San Gabriel River. The house on the farm was similar to all the other farm houses of that time. It is assumed that there would have been a small kitchen, a small dining room and living room, two small bedrooms, and a porch, and was most likely built of lumber, with a tin roof. The house was located in a low spot on the south side of a hill, approximately 500 yards from the San Gabriel River. It was probably built in a low spot to protect it from the north wind. The barn, where the horses and cattle were kept, was built on higher ground, away from the house. I do not know whether the Kvetons build the house or if the buildings already existed on the farm when they bought it.
The story of the Flood of September 8, 1921 was told to my sister, Sadie Machu Blaha, and me, by my mother and father, Millie ( Kveton) Machu and Anton Machu. At the time of the flood, my mother and my father were not married.
In 1921 there was little news media, other than the newspaper. There were no telephones in the rural area where the Kvetons lived. Most of their information was received from the newspaper and from visits with their neighbors. It was not unusual for a neighbor to ride on horseback from farm to farm to report news. In researching the story of the Flood of 1921, I went to the Taylor, Texas Library to see what the Taylor Daily Press had written about the flood, and if there was any mention of the possibility of heavy rain heading toward the central Texas area. The only thing the newspaper reported, prior to the flood, was that there was a tropical depression in the Gulf of Mexico. There was no local forecast at all.
On Tuesday, September 6, 1921, it was reported in the newspaper that a hurricane, that had hit Galveston, Texas and dumped 21 inches of rain on that city, was on its way toward Williamson County. Of course that newspaper was not delivered until a week after the Flood. Wednesday, September 7 was described as a cloudy, misty day. A little rain had fallen the night before and the farmers were happy about rain, because they had not had a drop of rain since July 7. That morning, since it was too wet to do anything else, Grandmother and Grandfather Kveton decided that it would be a good day to go visit their neighbors, the Dobias family. So, after they finished milking the cows, feeding the livestock, and eating breakfast, they put on their rubber boots and went to visit the Dobias family. The Dobias family lived about a quarter of a mile to the northeast of the Kvetons, on higher ground. When they decided to go visit, they were unaware of any severe weather on the way. After they got to the Dobias farm, the rain started. Soon it was raining really hard. The sound of the rain was deafening, as it pounded the metal roof of the house. Night was approaching, but it was raining so hard that it was impossible to walk home, because they had to walk through some low places, where the water was very deep. There was no choice but to spend the night with the Dobias family. Naturally, my grandparents did not get much sleep, because they were worried about their daughter, Millie, (my mother) who had stayed at home. Although she was 20 years old, they were still concerned because the weather was not normal. It rained all night. Thrall, which was approximately six miles southeast of the Kveton farm, registered 38.21 inches; Taylor, approximately ten miles southwest of the Kveton farm, registered over 34 inches; and Granger, which was about six miles northwest of the Kveton farm, had over 30 inches. That record still stands as the most rain to fall on Williamson County in one 24 hour period.
September 8, 1921 was destined to become an important date in my family history. Anton Machu, who became my father, was a neighbor of the Kveton family. The Machu farm was located about a quarter of a mile to the northwest of the Kvetons on higher ground.
My father, Anton, his brother, Frank, his brother-in-law, Rudolf Rozacky, and Rudolf's son, Alvin, kept a vigil that night and morning. They were keeping an eye on the fast rising waters of the San Gabriel River. About ten o'clock in the morning, it became evident that the water was rapidly approaching the Kveton's house. They did not know the whereabouts of the Kveton family, and since there was no movement around the house, they decided to warn the Kvetons of the rapidly rising water. The sound of the River must have been very loud, but because the rain on the tin roof made so much noise, my mother (Millie) was unaware of the rising water. When the men arrived at the Kveton's, the water was already knee deep in front of the house. They found Mother and the Kveton's old Negro hired hand in the house, sitting beside the stove, trying to keep warm. For a lack of anything else to do, Mother had decided to bake bread that morning, and it was baking when my daddy, Uncle Frank, Uncle Rudolf and Alvin arrived. Mother told Daddy that her parents were not at home and she was worried about them, because they had not returned home from their previous day's visit with the Dobias family. Daddy told Mother that the River was coming up and everyone should leave the house and run to higher ground. Daddy then immediately took Mother into his arms and rushed her out of the house and put her on his horse. By that time, the water was up to their waists. They quickly rode away from the house, and, after riding about a hundred yards, stopped on higher ground and looked back. They saw the house begin to move. Then a wall of water swept the house away. The house floated only a few hundred yards before it hit a giant pecan tree. When it hit that pecan tree, the house exploded. As it sank, a big cloud of smoke, from the stove, spewed out of the water. The home and all of the worldly possessions of the Kveton family were swept away by the roaring river.
When Grandma and Grandpa were finally able to return home, they were shocked at what they found. The house was gone; all their belongings were gone; and their daughter, Millie, was gone! They did not know that she had been rescued by my daddy, and taken to the Machu farm where she was safe. When my grandparents finally found her, they were so relieved to find that she survived the great flood. Even though the entire family, including my mother's younger siblings, Aunt Lydia, aged 17, and Uncle Joe, aged 13, were all safe, Grandmother Kveton grieved for the rest of her life because she had lost all of the precious mementoes and photographs from her home in Frenstat, Moravia. The letters that she had received from her siblings, cousins, and parents, that she had saved and treasured through the years, were lost forever. But although my grandparents lost their home and all of the prized possessions of their younger years, they were fortunate to have survived. According to several newspaper articles, more than 200 people were reported to have died in that flood.
After their devastating loss, my grandparents somehow managed to build a new house on the grounds where the previous dwelling stood and they lived there until 1937, when Grandmother Kveton died.
Anton Machu and Millie Kveton were married on October 25, 1921 just forty-eight days after he saved her from the raging river. They had a small family, only my older sister, Sadie, and me.
The rescue of Millie Kveton by her future husband, Anton Machu was particularly important to me because, without his heroic rescue, I would not be writing this account of my family's survival of the Flood of the 1921.
The Flood continued to have a huge influence on my family. As far back as I can remember, my daddy was always on the alert when it rained real hard. Even though we lived three quarters of a mile from the San Gabriel River, on higher ground, he would always crawl up on the windmill to see how high the river had risen. The water never got closer than quarter of a mile from our house."