If so directed by the WRD Manager, flow measurement, sampling devices, access facilities, and related equipment shall be installed by the user discharging the waste, at the user’s expense, and shall be maintained by the user so as to be in safe condition, in proper operating condition at all times, and readily accessible to the requesting authority during periods of industrial activity of any type. All devices used to measure wastewater flow and quality shall be calibrated periodically to ensure their accuracy.

The flow measurement and sampling station shall be located and constructed in a manner acceptable to the requesting authority. Complete plans on all phases of the proposed installation including all equipment proposed for use, shall be submitted to the WRD Manager for approval prior to construction.