#11 MEASURING THE HEALTH OF OUR FRESH WATERS

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Title of Water: Yellowstone River

Type of Water: __ stream _x_river __lake

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

Description of Lake: wide, fast-moving river, deep blue, sandy bottom, rushes near edges, occasional pelicans to be seen

Date: Time of Day: 1:56 pm

Temperature: 14 deg C

Ph: 7.84

Dissolved Oxygen: 12.07

TDS: 6.9

Current Speed: 24.97 seconds in 100 feet

Elevation: 7549 feet

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

12.07 or 149 % sat

75

.38

28.5

PH

7.84

89

.24

21.4

TDS (conductivity)

6.9

81

.16

12.9

Temperature

14 C

33

.22

7.3

The Overall WAter Quality Index for Yellowstone River was 70.l which is a good rating, top scores in PH value.