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<br />Of the 43.2% of rotor zones inspected that had low pressure, 48% of those zones had <br />pressure levels below 30 PSI. In other words, over 20% of all rotor zones tested had <br />significantly low pressure <br /> <br />Distribution of Pressure Levels for all Rotor Zones <br />Teste d <br /> <br />43.2 <br /> <br /> <br />53.3 <br /> <br />o % Rotor Zones With <br />Correct A"essure <br /> <br />. % Rotor Zones With <br />High A"essure <br /> <br />o % Rotor Zones With <br />Low A"essure** <br /> <br />3.5 <br /> <br />Range: <br />'Y Pressure Range for Spray Heads: 10 PSI - 100+ PSI <br /> <br />'Y Pressure Range for Rotor Heads: 10 PSI - 100+ PSI <br /> <br />0/0 Total of inspected zones with correct pressure levels: 36.20/0 <br /> <br />"Efficient Systems" <br />For the purpose of this analysis, an "efficient system" is defined as an irrigation zone that <br />has 70% or greater DU and has proper operating pressure. <br /> <br />Property Type 0/0 of Spray 0/0 of Rotor 0/0 Total of <br />Zones Zones Efficient Zones <br />Residential (34/1189) (81/651) (115/1840) <br />2.90/0 12.40/0 6.3010 <br />Large Audits (15/101 ) (41/108) (56/209) <br />14.90/0 38.00/0 26.70/0 <br />Total (49/1290) (122/759) (171/2049) <br />3.80/0 16.10/0 8.3010 <br /> <br />6 <br />