SJWTX is a public water utility providing water, wastewater, and reclaimed water service to over 72,000 people through 24,000 service connections. The service area covers about 270 square miles in the Texas Hill Country between Austin and San Antonio, operating in Bandera, Comal, Blanco, Hays, Kendall, Medina, and Travis counties.

Since 2006, SJWTX has committed to providing high-quality, reliable, and safe water within its service area by investing in operations and upgrading older infrastructure projects, improving water quality, system reliability, and customer service.