OPEN FILE REPORT NO. 85 Utilization This spring is developed into a county swimming and recreation park with facilities. Discharge Historical measurement was obtained from Bulletin No. 31 (Rosenau et al., 1977). All discharge rates are measured in ft3/s. November 23, 1973 October 24, 2001 92.8 45.9 Table 35. Lafayette Blue Spring water quality analysis. 2001 Analytes 1973 Unfilt. Filter Field Measures Temperature 21.5 21.7 DO 2.0 0.92 pH 7.2 7.17 Sp. Cond. 400 382 Lab Analytes BOD 0.2 AU Turbidity 0.1 Color 5 5 U Alkalinity 170 200 200 Sp. Cond. 430 - TDS 233 TSS 4U Cl 7.0 9 9.2 SO4 8.1 13 13 F 0.0 0.1 0.0881 Nutrients TOC 1U - NO3 +NO2 1.8 1.8 NH3+NH4 0.059 0.022 TKN 0.161 0.11 P 0.041 A 0.041 PO4 0.045 2001 Analytes 1973 Unfilt. Filter Metals Ca 54 67.2 65.3 K 1.0 0.84 0.86 Na 4.2 4.68 4.88 Mg 11 11.7 11.8 As 3U 3U Al 75 U B 25 U Cd 0.75 U 0.75 U Co 0.75 U Cr 2U 2U Cu 2.5 U 2.5 U Fe 35 U 35 U Mn 3.7 3.4 Ni 1.5 U 1.5 U Pb 5U 4U Se 4U 4U Sn 10 U Sr 0 94 Zn- 5U 5U A= Average Value UK= Compound not detect< d, value shown is the method detection limit I= Value is less than practical quantitation limit J=Estimated value Q=Exceeding holding time limit Table 36. Lafayette Blue Spring bacteriological analysis. Bacteria Results (in #/100 ml) Analyte Value Escherichia coli 2 Q Enterococci 10 Q Fecal Coliform 6 Q Total Coliform 40 Q