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purposes would establish the Great Valley Elementary School <br /> as a public water system. Such a system will not be <br /> permitted within the service area of the City of Stockton' s <br /> public water system. Operation of a public water system <br /> without a permit will subject the Great Valley Eiementary <br /> School to enforcement actions and severe monetary penalties . <br /> 2 . The Great Valley Elementary School shall assure that the <br /> supervisory individual responsible for operation and <br /> maintenance of the irrigation system and the domestic water <br /> system at the school is trained in cross connection control <br /> to assure an understanding of the hazards of cross <br /> connections and the precautions necessary to avoid those <br /> hazards . <br /> 3 . The Great Valley Elementary School shall contract with the <br /> City of Stockton Municipal Utilities Department to have the <br /> Great Valley Elementary School domestic water system tested <br /> for cross connections at a frequency of at least once per <br /> year. The test shall be conducted by a cross connection <br /> control specialist employed by the City of Stockton <br /> Department of Municipal Utilities or an alternate cross <br /> connection control specialist approved by the City of <br /> Stockton Department of Municipal Utilities . The test shall <br /> include the following two steps . The irrigation pump shall <br /> be turned off and the irrigation system shall be <br /> depressurized for a period of 24 hours while the domestic <br /> system remains fully pressurized. At the end of the 24 <br /> hours, any pressure detected in the irrigation system shall <br /> he indicative of a cross connection allowing water to flow <br /> from one system to the other. Subsequently, the domestic <br /> water supply from the City shall be turned off and the <br /> domestic water system shall be depressurized for a period of <br /> 24 hours while the irrigation system remains fully <br /> pressurized. At the end of the 24 hours, any pressure <br /> detected in the school' s domestic water system shall be <br /> indicative of a cross connection allowing water to flow from <br /> one system to the other. <br /> 3 . If the City of Stockton Municipal Utilities Department <br /> determines at any time that the Great Valley Elementary <br /> School is not diligently preventing cross connections between <br /> the irrigation system and the school' s domestic water system, <br /> the City shall have the authority to terminate water service <br /> to the Great Valley Elementary School until the irrigation <br /> well is properly destroyed to eliminate the hazard to the <br /> health of the students and school personnel served by the <br /> 2 <br /> S e\ 60 2-1IS I <br />