| (a) Domestic wastewater. The permittee shall comply
with the effluent limitations in §309.3 and §309.4 of this
title (relating to Application of Effluent Sets and Table 1, Effluent
Limitations for Domestic Wastewater Treatment Plants) and any specific
effluent limitations placed in the permit by the executive director.
(b) Industrial wastewater.
(1) The permittee is prohibited from introducing the
following wastes into a subsurface area drip dispersal system:
(A) characteristically hazardous wastes as determined
in 40 Code of Federal Regulations (CFR) Part 261, Subpart C;
(B) listed hazardous wastes as defined in 40 CFR Part
261, Subpart D;
(C) wastes specifically prohibited for land disposal
in 40 CFR Part 268, Subpart C; and
(D) wastes containing radioactive materials unless
the permittee is authorized to store, process, and dispose of these
wastes in compliance with the Atomic Energy Act of 1954 (as amended)
or in compliance with the Texas Radiation Control Act.
(2) Effluent limitations.
(A) The permittee shall comply with the effluent limitations
established by the executive director in an individual permit.
(B) The permittee shall demonstrate compliance with
technology-based effluent limitations by monitoring the effluent prior
to introduction into the subsurface area drip dispersal system.
(C) If the soil pH is less than 6.5 standard units
at a subsurface area drip dispersal system site, the permittee shall
monitor certain trace elements, including phosphorus, fluoride, and
heavy metals as specified by the executive director in the individual
permit.
(D) Prior to disposal, the permittee shall ensure that
the effluent from a treatment system meets Effluent Set 5, established
in §309.4 of this title.
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