FLORIDA GEOLOGICAL SURVEY Discharge Historical measurements were obtained from Bulletin No. 31 (Rosenau et al., 1977). All discharge rates are measured in ft3/s. July 17, 1942 November 26, 1960 May 28, 1963 October 16, 1973 October 30, 2001 149 161 148 205 106 Table 37. Troy Spring water quality analysis. 2001 Analytes 1960 1973 20 Unfilt. Filter Field Measures Temperature 21.7 21.5 21.7 - DO 1.4 0.85 - pH 7.8 7.1 7.49 Sp. Cond. 307 358 357 Lab Analytes BOD 0.2 0.251 - Turbidity 1 0.15 Color 5 0 5U - Alkalinity 150 150 163 164 Sp. Cond. 350 - TDS 196 - TSS 4U - Cl 3.0 4.0 5.3 5.2 SO4 6.0 5.6 12 12 F 0.1 0.1 0.0851 0.091 Nutrients TOC 0.0 1.8I - N03+NO2 0.96 2.3 2.2 NH3+NH4 0.0121 0.01 U TKN 0.075 I 0.067 I P 0.03 0.034A 0.03 A PO4 0.02 0.024 J 2001 Analytes 1960 1973 2 Unfilt. Filter Metals Ca 54 56 57.3 59.3 K 0.2 1.3 0.9 0.97 Na 2.4 2.6 2.68 2.45 Mg 6.7 6.4 7 7.3 As 3U 3U Al 75U B 25 U Cd 0 0.75 U 0.5 U Co 0 0.75 U - Cr 0 2U 2U Cu 10 2U 2U Fe 25 U 20 U Mn 0.731 0.311 Ni 1.5U 1.5U Pb 6 5U 3U Se 3.5U 3.5U Sn 7U - Sr 240 66.8 Zn 4 U 3.5 U A=Average Value U,K=Compound not detected, value is the method detection limit I=Value less than practical quantitation limit J=Est value Q=exceeding holding time limit Table 38. Troy Spring bacteriological analysis. Bacteria Results (in #/100 mL) Analyte Value Escherichia coli 1 KQ Enterococci 1 KQ Fecal Coliform 1 KQ Total Coliform 1 KQ