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(a)Filter backwash wastewater disposal. Filter backwash
and drainage water that is not reused in the pool or spa shall be
discharged or disposed of in accordance with the requirements of the
TCEQ or local regulatory authority.
(b)No direct connection. No direct mechanical (hard)
connection shall be made between the pool or spa, the drains, the
chemical treatment equipment, or the system of piping and the sanitary
sewer system, septic system, or other wastewater disposal system.
(c)Pool and spa backwash. Backwash water and draining
water shall be discharged through an air gap formed by positioning
the discharge pipe opening at least two pipe diameters above the overflow
level of any barriers that could cause flooding and submergence of
the discharge opening or by other means in accordance with TCEQ requirements.
Splash screening barriers are permitted as long as the barriers do
not destroy air gap effectiveness.
(d)Wastewater post treatment. Where necessary, filter
backwash water and drainage water shall be treated either chemically
or through the use of settling tanks to eliminate or neutralize chemicals,
diatomaceous earth, and other contaminants in the water that exceed
discharge limits set by TCEQ or the local regulatory authority.
(e)Other wastewater or drainage water disposal facilities
or lines. The location of other wastewater disposal facilities or
lines shall meet applicable standards of 30 TAC, Chapter 307, Texas
Surface Water Quality Standards, Chapter 308, Criteria and Standards
for the National Pollutant Discharge Elimination System, Chapter 311,
Watershed Protection, and Chapter 315, Pretreatment Regulations for
Existing and New Sources of Pollution, or local regulatory authority.
The agency certifies that legal counsel has reviewed
the proposal and found it to be within the state agency's legal authority
to adopt.
Filed
with the Office of the Secretary of State on July 13, 2020
TRD-202002878 Barbara L. Klein
General Counsel
Department of State Health Services
Earliest possible date of adoption: August 23, 2020
For further information, please call: (512) 231-5719
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