OPEN FILE REPORT NO. 85 Discharge Historical measurements were obtained from Bulletin No. 31 (Rosenau et al., 1977). High water levels of the Withlacoochee River may affect spring discharge rates. All discharge rates are measured in ft3/s. March 16, 1932 April 24, 1956 November 15, 1960 May 28, 1963 November 6, 1973 October 23, 2001 75 77.8 141 113 139 71.4 Table 47. Madison Blue Spring water quality analysis. Analytes 1946 1960 1973 21 Unfilt. Filter Field Measures Temperature 21.5 21.1 21.0 21.3 - DO 2.5 1.8 pH 7.6 7.7 7.7 7.8 Sp. Cond. 262 257 261 277 Lab Analytes BOD 0.7 0.291 - Turbidity 4.0 0.9 Color 0 0 5 5U - Alkalinity 120 120 122 123 Sp. Cond. 280 - TDS 155 TSS 4U - Cl 3.6 4.0 4.0 4.7A 4.7 SO4 10 9.6 11.0 14A 14 F 0.1 0.4 0.1 0.14 0.15 Nutrients TOC 0.0 1U - NO3+NO, 0.01 1.3 1.4 NH3+NH4 0.013 I 0.01 UQ TKN 0.06 U 0.06 U P 0.03 0.041 0.042 PO4 0.52 0.03 J 2001 Analytes 1946 1960 1973 0 Unfilt. Filter Metals Ca 39 41 40 41.3 41.4 K 0.7 0.3 0.8 0.47 0.47 Na 2.4 2.6 2.9 2.77 2.77 Mg 8.7 7.2 10 8.4 8.5 As 3U 3U Al 75 U B 0 25 U Cd 0.75U 0.5U Co 0 0.75 U Cr 5 2U 2U Cu 4 2U 2U Fe 25 U 20 U Mn 0.911 0.321 Ni 1.5U 1.5U Pb 10 5U 3U Se 3.5U 3.5U Sn 7 U Sr 0 56.4 Zn 4U 3.5U A=Average Valu CK=Conpound not detected, value shown is the method detection limit I=Value is less than the practical quantitation limit J=Estimated value Q=exceeding holding time limit Table 48. Madison Blue Spring bacteriological analysis. Bacteria Results (in #/100 mL) Analyte Value Escherichia coli 6 Q Enterococci 8 Q Fecal Coliform 4 Q Total Coliform 40 Q ' ' " '