#17 MEASURING THE HEALTH OF OUR FRESH WATERS

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Title of Water: Blue Lake

Type of Water: __ stream __river _x_lake

Nearest Town, City: State: Onawa, Iowa

Elevation: 627 feet

Description: 200 yards by two or three miles long, water skiers enjoying the blue-green waters, sumac trees along the edge, in the middle of cornfields, grassy bank, fishermen catching bass

Date: July 30, 1997 Time of Day: 6:30 pm

Temperature: 29 C

Ph: 8.39

Dissolved Oxygen: 11.99

TDS: 29.11

Current Speed: NA

Who to contact in the area with the data results and concerns:

pulse@novia.net

 

Factor

Measured at

Q Score

Times the Q value

Final Quotient

Dissolved Oxygen

11.99 or 145 % sat

78

.38

29.6

PH

8.39

69

.24

16.6

TDS (conductivity)

29.11

87

.16

13.9

Temperature

29 C

11

.22

2.4

The total Water Quality Index for Blue Lake in Iowa was 62.5 which is slightly above average. The ph level was a bit high and the water temperature was too warm.