FLORIDA GEOLOGICAL SURVEY


Table 8. Chassahowitzka Springs Group water quality analyses.


 Main No. 1
 Analytes 1946 1970 1971 1972 1975 2001 2001
 Unfilt. Filter Unfilt. Filter
Field Measures
Temperature 23.9 26.0 24.5 23.5 22.2 22.9 23.2
DO 6.1 5.4 3.68 4.10
pH 7.5 8.2 7.6 8.2 7.65 7.71
Sp. Cond. 470 500 530 1370 564 2790 1080
Lab Analytes
BOD 0.2 2.5 0.2 U 0.2 AU
Turbidity 3 2 1.3 0.45
Color 8 10 10 10 10 5 U 5 U
Alkalinity 140 140 140 130 150 152 150 152 A
Sp. Cond. 2800 1100 A
TDS 1470 562
TSS 4U 4U -
Cl 53 70 79 320 110 680 680 220 200
SO4 13 13 16 56 21 110 110 39 40
F 0.1 0.2 0.3 0.2 0.2 0.13 J 0.11 0.12 J 0.11
Nutrients
TOC U 1U
NO3+N2O, 0.26 0.45 J 0.46 J 0.49 J 0.5 J
NH3+NH4 -- 0.01 U 0.025 0.01 U 0.011
TKN 0.121 0.121 0.0861 0.11
P 0.033 0.02 0.018 0.018
PO4 -- 0.021 0.021
Metals
Ca 49 46 48 55 47 65.2 63.4 54.5 52.8
K 1.5 1.6 1.8 6.3 2.5 14.7 14.3 4.8 4.5
Na 29 36 40 180 60 393 411 131 121
Mg 13 11 13 29 13 54.5 54.2 23.5 22.3
As 3U 3U 7U 3U
Al 75 U 75U
B 186 681
Cd 0.75U 0.75U 0.75U 0.75U
Co 0.75 U 0.75 U
Cr 2U 2U 2U 2U
Cu 2.5 U 2.5 U 2.5 U 2.5 U
Fe -- 921 381 35 U 35U
Mn -- 4.1 1.5 I 0.5 U 0.5 U
Ni 1.5 U 1.5 U 1.5 U 1.5 U
Pb 5 - U 4U 5U 4U
Se -- 8.6 U 4U 8.6 U 4U
Sn 20 U 20 U
Sr 200 200 800 310 511 262
Zn 5U 5U 5U 5U
A=Average Value U,K=Compound not detected, value shown is the method detection limit
I=Value shown is less than the practical quantitation limit J=Estimated value