|(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
(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.