(a) Prior to the issuance of an operating permit, an individual water meter, capable of measuring flow rate and total production, shall be installed at the well for the purpose of recording the amount of water drawn from the wells.
(b) Water meters shall be maintained in satisfactory operating condition. At no time shall a well be operated without a water meter for more than a consecutive five (5) day period.
(c) Each well shall have an opening for measurement of water levels in the well. The construction and sealing of the opening shall be as prescribed by the Administrator.