OPEN FILE REPORT NO. 85 age discharge from 1917 through 1974 (364 measurements) was 176 ft3/s (Rosenau et al., 1977). Current discharge estimate is provisional. Maximum (October 19, 1964) Minimum (24, 1956) October 18, 2001 275 ft3/s 101 ft3/s 161 ft3/s Utilization Weeki Wachee Spring is extensively developed into a tourist attraction that features underwater mermaid shows with submerged glass windows for viewing. It was recently purchased from private ownership by the Southwest Florida Water Management District (SWFWMD). The District leases the land to a private firm for the continuation of the mermaid shows. Shops and facilities are located all around the spring. Table 29. Weeki Wachee Spring water quality analysis. 2001 Analytes 1964 1969 1974 U F Unfilt. Filter Field Measures Temperature 24.0 21.5 23.7 DO 2.0 1.3 pH 7.9 8.0 7.7 7.7 Sp. Cond. 262 275 284 320 Lab Analytes BOD 0.761 - Turbidity 0.4 - Color 3 5 1 5U - Alkalinity 130 130 140 147 147 Sp. Cond. 320 TDS 176 - TSS 4U - Cl 4.0 8.0 4.6 6.7 6.6 A SO4 6.4 9.6 7.4 9.2 9.2 A F 0 0.1 0.1 0.0841 0.1 Nutrients TOC 1U - NO3+N2 0.67 0.66 J NH3+NH4 0.01 U 0.01 U TKN 0.06 U 0.06 U P 0.005 I 0.007 I PO4 0.005 I - A=Average Value 2001 Analytes 1964 1969 1974 U Unfilt. Filter Metals Ca 44 48 50 49.5 50.7 K 0.3 5.0 0.6 0.31 0.32 Na 3.0 3.2 4.0 3.78 3.93 Mg 7.8 5.0 6.0 5.9 6 As 7 3U 3U Al 100 75 U B 25 U Cd 0 0.75 U 0.75 U Co 0.75 U Cr 2U 2U Cu 1 2.5 U 2.5 U Fe 0 10 10 35 U 35 U Mn 0 0.5 U 0.5 U Ni 14 2U 2U Pb 1 5U 4U Se 4U 4U Sn 10 U Sr 150 174 Zn 0 5U 5 U UK= Compo md not detected, value shown is the method detection limit I=Value is less than practical quantitation limit J=Estimated value Q=Exceeding holding time limit Table 30. Weeki Wachee Spring bacteriological analysis. Bacteria Results (in #/100ml) Analyte Value Escherichia coli 1 KQ Enterococci 1 KQ Fecal Coliform 1 KQ Total Coliform 1 KQ