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Municode Page 10 of 12 <br /> (b) Owner's responsibility. It shall be the responsibility of each property owner to demonstrate <br /> that the ISTS on his property is in compliance with all requirements of this article, that the <br /> ISTS properly treats and/or disposes of the entire sewage input generated on the property, <br /> and that the ISTS is adequately and properly maintained at all times. The owner is also <br /> responsible for the protection of the alternate drainfield site, if designated due to the <br /> development of the property or was required to be designated for any other reason. <br /> Protection of the drainfield site includes, but is not limited to, preventing construction of <br /> buildings, excavating, filling, or driving across the drainfield site with automobile or heavy <br /> machinery traffic. <br /> (�) System use. All owners using or controlling the use of any ISTS shall use such ISTS in a <br /> prudent manner, shall control the volume of liquid discharged into the ISTS consistent with <br /> the design capacity; shall strictly limit the discharge of shredded garbage, residential kitchen <br /> grease or other solid matter into the system; and shall prohibit the discharge into the ISTS of <br /> footing or roof drainage, water softener recharge water, garage floor drainage, toxic <br /> chemicals, flammable liquids, animal wastes or commercial process water and commercial <br /> kitchen grease. <br /> �d) System maintenance. All owners using or controlling the use of any ISTS shall pertorm the <br /> following maintenance functions: <br /> ��) System location. A diagram shall be prepared and thereafter kept on the property <br /> showing location of the ISTS, including the sewage tanks, distribution boxes and soil <br /> treatment area, pump station, sewer line, water well and location of septic alarm in <br /> residence. <br /> �2) Annual inspection. It is the responsibility of the homeowner to monitor the condition of <br /> the ISTS serving the property on a regular basis and ensure that the ISTS is <br /> functioning properly. Whenever existing sewage tanks are not provided with <br /> inspection pipes, the owner of such tank shall install inspection pipes within 12 <br /> months of the effective date of the ordinance from which this article is derived. At the <br /> same time that the septic tank is opened for inspection, each distribution box shall be <br /> opened and any accumulated solids shall be placed in the septic tank for treatment. <br /> (3) Regular pumping. Sewage tanks and/or holding tanks shall be regularly pumped of <br /> septage as provided by this article. <br /> �4) Owner's records. Full and accurate records shall be kept on the property, which <br /> records shall list the date of every sewage tank or holding tank pumping, the <br /> contractor responsible for the pumping and the gallons removed, the date and nature <br /> of all ISTS repairs or alterations occurring after the effective date of the ordinance <br /> from which this article is derived, and shall include a copy of the most recent city <br /> inspection report <br /> (e) Sewage tank and holding tank pumping. It is unlawful for any person to pump or remove any <br /> septage (liquids or solids) from any sewage tank or holding tank without complying with the <br /> requirements of this article. <br /> ��) Required pumping. The owner of each sewage tank or holding tank shall cause such <br /> tank to be pumped for the removal of septage when required by one or more of the <br /> following provisions: <br /> a� Sludge buildup. Sewage tanks shall be pumped whenever measurement of the <br /> tank indicates that the top of the sludge layer in the tank or any compartment <br /> thereof is less than 12 inches below the bottom of the outlet device, or the <br /> floating solids layer is less than three inches from the bottom of the outlet <br /> device. <br /> https://library.municode,com/print.aspx?h=&clientlD=13094&HTMRequest=https%3a%2f%2flibrary.municode.com%2fNT... 6/24/2014 <br />