Johnson Creek at Main City Park

 

Johnson Creek Water Quality Study

May 2000

Period 4 Team Members:

Period 6 Team Members: Christie T., Maria L., Jessica L.

 

May 12th

(Period 6)

May 17th

(Period 4)

May 18th

(Period 6)

May 23rd

(Period 4)

May 24th

(Period 6)

May 30th

(Period 4)

Avg. Air Temp. (C)

 

65

60

 

65

 

Avg Water Temp. (C)

 

14

10

 

15

 

Oxygen Concentration

12

12

13

11

12.3

 

pH

7.0

7.5

7.0

6.0

7.0

 

Nitrate Concentration

4.4

0

4.4

1

4.4

 

Phosphate Concentration

2

3

1.3

0.32

1.43

 

Conductivity

135

60

130

60

135

 

Alkalinity

2.33

2

.17

2

2.73