(A) History. Situated at the juncture of the Atascosa River and Bonita Creek, Pleasanton was founded in 1858 and named the county seat of Atascosa County. It was established because the former county seat at Amphion moved due to conflicts with the Indians. The settlers chose the current town site because of its location at the mouth of Bonita Creek. John Bowen, San Antonio's first Anglo-American postmaster, founded and named the town of Pleasanton after his good friend and fellow early Texas settler, John Pleasants. Also known as the "Birthplace of the Cowboy," Pleasanton had a growing population of cowboys around the 19th century primarily to ward off attacks from the Indians. The county seat was moved from Pleasanton to Jourdanton in 1910. Pleasanton was incorporated in 1917.
(B) Geography. Pleasanton is located in the Nueces River Basin within eight square miles of Atascosa County. The city is located with the geographical boundaries of the Region L Regional Water Planning Group, Evergreen Underground Water Conservation District, and TCEQ Region 13.
(C) Climate. An average annual rainfall for Pleasanton is 33.2 inches with the month of June typically having the most rainfall (4.4 inches). The city averages 76 days with rainfall each year. Monthly temperature averages range from 53.4°F in January and December to 86.1°F in August. On average, there are 147 days per year where the temperature exceeds 90°F and 19 days where the temperature falls below 32°F.
(D) Water resources. The City of Pleasanton obtains 100% of its water from nine groundwater wells in the Carrizo-Wilcox and Queen City aquifers.
(Ord. 15-1141, passed 4-16-2015
; Ord. 20-1251, passed 8-20-2020)