OPEN FILE REPORT NO. 85


of recreational boats during peak use periods.

Discharge Eleven discharge measurements were made between 1931 and 1972. The aver-
age discharge during this period was 112 ft3/s (Rosenau et al., 1977).


Maximum (April 12, 1935)
Minimum (February 7, 1933)
September 13, 2001


129 ft3/s
90 ft3/s
109 ft3/s


Table 51. Silver Glen Springs water quality analysis.


 2001
 Analytes 1946 1972 2U
 Unfilt. Filter
Field Measures
Temperature 22.8 23.0 23.4
DO 3.66
pH 7.4 7.8 7.64
Sp. Cond. 2480 2220 1810
Lab Analytes
BOD 0.1 0.2 U
Turbidity 0 0.05 U
Color 0 0 5U -
Alkalinity 69 69 69
Sp. Cond. 2000
TDS 1050
TSS 4U -
Cl 610 520 470 480
SO4 200 190 170 180
F 0.0 0.2 0.12 0.12
Nutrients
TOC 0.0 1U -
NO3 +NO, 0.03 0.046 0.05
NH3+NH4 0.011I 0.01 U
TKN 0.093 I 0.069 I
P 0.02 0.025 0.024
PO4 0.02 0.028


 2001
 Analytes 1946 1972
 Unfilt. Filter
Metals
Ca 87 74 69.7 70.4
K 10 11 9.1 9.2
Na 330 290 238 241
Mg 46 38 35.6 35.9
As 0 3U 3U
Al- 75 U
B 570 101
Cd 0.75U 0.75U
Co 0 0.75 U
Cr 2U 2U
Cu 10 2.5 U 2.5 U
Fe 80 35 U 35 U
Mn 1U 2U
Ni 2U 2U
Pb 0 5U 4U
Se 4U 4U
Sn 10 U
Sr 1480
Zn 20 5U 5U


A=Average Value UK= Compou ld not de ected, velue shown is the method detection limit
I= Value is less than practical quantitat on limit J=Estimated value Q=Exceeding holding time limit


Table 52. Silver Glen Springs bacteriological analysis.


 Bacteria Results (in #/100ml)
 Analyte Value
Escherichia coli 1 KQ
 Enterococci 1 KQ
 FecalColiform 1 KQ
 Total Coliform 20 Q


1 1  1 .1 1 1 J 1  .