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Urban Water Qualitv and Fertilizer Ordinances:Avoiding Unintended Consequences:A Review 31 Table 1.Amounts of total N applied depend on the concentration of N in the reclaimed water and the amount of reclaimed water applied during irrigation. Highlighted columns represent the approximate average annual irrigation needs for turf in Florida. N conc.in 1.0 inch 6.0 Inches 10 Inches 20 inches 30 inches Winches 100 ISO reclaimed Irrig.water Irrig.water Irrig.water Irrig.water irrig.water irrig.water Inches Inches water Irrig. Irrig. (ppm total water water N) Resulting lbs N per 1,000 fe 1.0 0.005 0.026 0.052 0.104 0.155 0.259 0.518 0.777 2.0 0.010 0.052 0.104 0.207 0.311 0.518 1.036 1.554 3.0 0.016 0.078 0.155 0.311 0.466 0.777 1.554 2.331 5.0 0.026 0.130 0.259 0.518 0.777 1.295 2.590 3.885 10.0 0.052 0.259 0.518 1.036 1.554 2.5905.180 7.770 20.0 0.104 0.520 1.041 2.081 3.121 5.202Ll 10.41 15.61 30.0 0.156 0.780 1.561 3.121 4.682 7.8045.61 23.41 Table 2.Amount of P 2 0 5 applied as a function of the concentration of P(as P)in reclaimed water and the quantity of reclaimed water applied.Highlighted columns represent the approximate average annual irrigation needs for turf in Florida P conc.In 1.0 Inches 5.0 Inches 10 Inches 20 Inches Winches SO inches 100 ISO reclaimed irrig.water Irrig.water irrig.water irrig.water inig.water Irrig.water Inches Inches water Irrig. Irrig. (ppm) water water Resulting lbs P 2 0 5 per 1,000 f? 0.1 0.001 0.006 0.012 0.024 0.036 0.060 0.119 0.179 0.25 0.003 0.015 0.030 0.060 0.089 0.149 0.298 0.447 0.5 0.006 0.030 0.060 0.119 0.179 0.298 0.596 0.894 0.75 0.009 0.045 0.089 0.179 0.268 0.447 0.894 1.340 1.0 0.012 0.060 0.119 0.238 0.357 0.596 1.191 1.787 2.0 0.024 0.119 0.238 0.477 0.715 1.192 L 2.383 3.575 5.0 0.060 0.298 0.596 1.192 1.787 2.979 5.957 8.936 � 3-3�