#2 MEASURING THE HEALTH OF OUR FRESH WATERS

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Title of Water: Thurber Lake, TX

Type of Water: __ stream __river _X_lake

Description: Ten acre lake, deep and dark, catfish caught yearround, host talked about water moccasins in the lake, flatboats rentable, very unpopulated

Nearest Town, City: State: Abilene, Texas

Date: Time of Day: 9 pm

Temperature: 30.2 C or 86.4 F

Ph: 4.42

Dissolved Oxygen: 3.72

TDS: 99.65 mg/L

Current Speed: NA

Below is a table which helps determine the Ability of the LAKE TO SUPPORT LIFE (VERNIER CO data)

Factor

Measured at

Q Score

Times the Q value

Final Quotient

Dissolved Oxygen

3.72

44

.38

16.72

PH

4.42

ll.5

.24

2.76

TDS (conductivity)

99.65

85

.16

13.6

Temperature

30.2 C

10

.22

2.2

Total WATER QUALITY SCORE FOR THURBER LAKE, TX WAS 35.28 (100 being perfect). Factors which influenced this low score include the lake was too hot and the ph was too acidic.