#12 MEASURING THE HEALTH OF OUR FRESH WATERS

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Title of Water: Yellowstone Lake

Type of Water: __ stream __river _x_lake

Description of Lake: Largest alpine lake in North America, mostly bordered by low shrubs, clear to sandy bottom, trout fishermen around

Nearest Town, City: State: Grant Village, Yellowstone National Park, Wyoming

Date: Time of Day: 7:12 pm

Temperature: 13.7 Deg C

Ph: 7.16

Dissolved Oxygen: 12.08

TDS: 4.4

Current Speed:NA

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

 

Factor

Measured at

Q Score

Times the Q value

Final Quotient

Dissolved Oxygen

12.08 or 145 % sat

75

.38

28.5

PH

7.16

89

.24

21.4

TDS (conductivity)

4.4

80

.16

12.8

Temperature

13.7 C

44

.22

9.7

The Overall Water Quality Index of Yellowstone Lake was 72.4 which is above average. Best score was in PH value. Available oxygen for life was good.