|(a) All liquids resulting from the operation of solid waste facilities shall be disposed of in a manner that will not cause surface water or groundwater pollution. The owner or operator may send wastewater off site to an authorized facility or shall provide for the treatment of wastewaters resulting from managing the waste or from cleaning and washing. The owner or operator shall not discharge contaminated water without specific written authorization. Except as provided in subsection (b) of this section, the owner or operator shall provide a connection into a public sewer system, a septic system, or a small wastewater treatment plant. On-site wastewater treatment systems shall comply with Chapter 285 of this title (relating to On-site Sewage Facilities). The owner or operator shall obtain any permit or other approval required by state or local code for the system installed. (b) Contaminated water and leachate shall be collected and contained until properly managed. Collection units other than storage tanks shall have a clay or synthetic liner and the liner shall be constructed in accordance with §330.331(b) of this title (relating to Design Criteria). One foot of freeboard for the 25-year, 24-hour rainfall event shall be provided. (c) The use of leachate and gas condensate in any mining process is prohibited. (d) Facilities that process grease trap waste, grit trap waste, or septage; mobile liquid waste processing units; and demonstration projects for liquid waste processing facilities shall not discharge to a septic system. (e) Off-site discharge of contaminated waters shall be made only after approval under the Texas Pollutant Discharge Elimination System authority. (f) Wastewaters discharged to a treatment facility permitted under Texas Water Code, Chapter 26 must not: (1) interfere with or pass-through the treatment facility processes or operations; (2) interfere with or pass-through its sludge processes, use, or disposal; or (3) otherwise be inconsistent with the prohibited discharge standards, including 40 Code of Federal Regulations Part 403, General Pretreatment Regulations for Existing and New Source Pollution. (g) The daily effluent design standard for oil and grease concentration leaving the facility and entering a public sewer system shall not exceed 200 milligrams per liter, the concentration established in the wastewater discharge permit pretreatment limit or the concentration established by the treatment facility permitted under Texas Water Code, Chapter 26, the National Pollutant Discharge Elimination System, or the following liquid effluent limits, if the discharge points do not require compliance with locally set limits.
Attached Graphic (h) Lagoons, open-top storage tanks, open vessels, and underground storage units are prohibited at liquid waste transfer facilities.