16 Tex. Admin. Code § 76.108 - Technical Requirements - Pump Installation
(a) During any repair or installation of a
water well pump, the licensed installer shall make a reasonable effort to
maintain the integrity of ground water and to prevent contamination by
elevating the pump column and fittings, or by other means suitable under the
circumstances.
(b) A licensed
installer shall disinfect the well by:
(1)
Treating the water in the well casing to provide an average disinfectant
residual to the entire volume of water in the well casing of fifty (50) mg/l.
This may be accomplished by the addition of calcium hypochlorite tablets,
sodium hypochlorite solution or other appropriate disinfectant, in the
prescribed amounts;
(2)
Circulating, to the extent possible, the disinfected water in the well casing
and pump column; and
(3) Pumping
the well to remove disinfected water for a minimum of fifteen (15)
minutes.
(c) The
installer shall introduce the disinfectant into the open casing or through the
well vent. The installer shall allow the disinfectant to dissolve in accordance
with the manufacturer's specifications, then flush the well.
(d) An installer may not place any material
in a well that has been used in the production of oil or gas.
(e) This section shall include every type of
connection device, including but not limited to, flange connections, hose-clamp
connections, and other flexible couplings. Except as provided by this chapter,
a pump shall be constructed so that no unprotected openings into the interior
of the pump or well casing exist.
(1) A hand
pump, hand pump head, stand, or similar device shall have a check valve to
prevent pollution.
(2) A power
driven pump shall be attached to the casing or approved suction or discharge
line by a closed connection. For the purposes of this section a closed
connection is defined to be a sealed connection.
(f) The provisions of this section relating
to the requirement of closed connections shall not apply to the following types
of pumps and pumping equipment:
(1) sucker
rod pumps and windmills; and
(2)
hand pumps.
Notes
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