Si Environmental 512-402-1990|atx.general@sienviro.com
For more information about the District, including information about the District's Board and Board Meetings, please visit the meetings page of this website, or go to the Texas Comptroller of Public Accounts Special Purpose District Public Information Database at https://spdpid.comptroller.texas.gov/

Pursuant to Section 182.051, Texas Utilities Code, a customer's personal , utility usage, and billing information is confidential and may not be disclosed by the District to third-parties unless a written request for disclosure is submitted by the customer.  Please refer to the Disclosure form on this website.
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