12/17/79

12/2/80

11/23/81

�Constituent

(mg/l)

�Calcium

631

� 608

� 601

�Magnesium

l

�� 5

��� 7

�Sodium

177

264

�� 267

�Potassium

36

29

50

Bicarbonate

24

35

27

�Sulfate

1,806

1,842

� 1,948

�Chloride

158

102

���� 83

�Silica

����� 24

� -

28

�Copper

<0.1

� <0.1

�Iron

<0.1

� <0.1

�Lead

<0.1

� <0.1

�pH

����� 9.2

���� 9.4

��� 9.3

�Electrical Conductivity

�(micromhos/cm @ 25�C)

��� 3,240

� 4,440

�� 2,450

�Total Dissolved Solids

� 2,856

� 2,885

� 3,011