Appendix A
Locations where October 1998 Flood Peak Represented Highest Known Peak Stage1
Peak Stages for the October 1998 Flood Event Included1(1)
Location |
Peak Stage (ft) | Significance of Flooding |
SAN JACINTO RIVER BASIN |
||
| Cypress Creek at Katy-Hockley Road near Hockley, TX | 63.51 |
Highest peak stage since before 1960 and 0.02 feet higher than 2nd highest peak stage in 1994. Second highest peak discharge since station was installed in 1975. |
COLORADO RIVER BASIN |
||
| Onion Creek near Driftwood, TX | 24.91 |
Highest peak stage and peak discharge since station was installed in 1980 and about 7.4 feet higher than 2nd highest peak stage on June 9, 1997. Flood on May 28, 1929, probably many feet higher. |
LAVACA RIVER BASIN |
||
| Sandy Creek at Louise, TX | 32.70 |
Highest peak stage and peak discharge since station was installed in 1978 and about 4.2 feet higher than 2nd highest peak stage on Oct. 19, 1994. |
GUADALUPE RIVER BASIN |
||
| Guadalupe River at New Braunfels, TX | 35.08 |
Highest peak stage and peak discharge for period of record (1915-1927 and 1974-present). About 10.2 feet higher than 2nd highest peak stage on Sept. 10, 1921. |
| Plum Creek at Lockhart, TX | 23.09 | Highest peak stage and probably highest peak discharge since before 1905 and about 1.1 feet higher than 2nd highest peak stage in June 1936. |
| Guadalupe River at Gonzales, TX | 50.44 | Highest peak stage and peak discharge since station was installed in 1978 and about 11.6 feet higher than 2nd highest peak stage on June 24, 1997. |
| Guadalupe River at Cuero, TX | 49.8 | Highest peak stage and peak discharge since before 1900 and about 5.7 feet higher than 2nd highest peak stage on July 2, 1936. |
| Guadalupe River at Victoria, TX | 33 | Highest peak stage and peak discharge since before 1833 and about 1.8 feet higher than 2nd highest peak stage on July 3, 1936. |
SAN ANTONIO RIVER BASIN |
||
| San Antonio River at Mitchell Street at San Antonio, TX | 12.43 | Highest peak stage and peak discharge since station was installed in 1993 and about 4.5 feet higher than 2nd highest peak stage on Oct. 8, 1994. Probably highest peak since 1921. |
| San Antonio River at Loop 410 at San Antonio, TX | 36.15 | Highest peak stage and peak discharge since station was installed in 1990 and about 4 feet higher than 2nd highest peak stage on July 15, 1990. Probably highest peak since 1921. |
| Salado Creek (Lower Station) at San Antonio, TX | 23.00 | Highest peak stage and peak discharge since before 1941 and 3.2 feet higher than 2nd highest peak stage on Sept. 27, 1973. |
| Leon Creek at IH 35 at San Antonio, TX | 28.52 | Highest peak stage and peak discharge since station was installed in 1984 and 4 feet higher than 2nd highest peak stage on June 22, 1997. |
| San Antonio River near Elmendorf, TX | 64.2 | Highest peak stage and peak discharge since before 1900 and 3.2 feet higher than 2nd highest peak stage in 1946. |
| Cibolo Creek at Selma, TX | 35.4 | Highest peak stage and peak discharge since before 1869 and 5.7 feet higher than 2nd highest peak stage on June 22, 1997. |
| Cibolo Creek near Falls City, TX | 40 | Highest peak stage and peak discharge since before 1890 and 4.6 feet higher than 2nd highest peak stage on Sept. 28, 1973. |
1. http://tx.usgs.gov/alert/oct_floods_98.html on January 7, 1999. Data are subject to revision.
Return to Table of Contents