31 Tex. Admin. Code § 363.333
Political subdivisions receiving financial assistance for municipal solid waste facility projects shall provide copies of, and notify the board within 10 days following the receipt of, any notices of violation received from environmental regulatory agencies; notices of any claims or suits filed by regulatory agencies or third parties relating to environmental matters or conditions at the facility; and any notices received from insurance carriers relating to environmental conditions at the facility. In addition, the political subdivision shall provide the board with copies of any reports filed with insurance carriers relating to environmental conditions at the facility and shall notify the board of any material changes to facility design, construction, or operation, including, but not limited to, notification of any requests for permit amendment. The political subdivision shall also provide immediate notification to the board of any discharge or release of hazardous substances, solid wastes, or constituents thereof from the facility.
31 Tex. Admin. Code § 363.333