Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: ALEXANDER CREEK | Survey Date: October 31st, 2013
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature		93.00	X 0.10 =	9.3
Oxygen Saturation:	82.00	90.00	x 0.17 =	15.3
pH (units):	8.60	72.00	x 0.11 =	7.92
Turbidity - JTU:	0.00	98.00	x 0.08 =	7.84
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				40.36

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: ALEXANDER CREEK	Survey Date: October 31st, 2013
Organization Name: Elk River Alliance	Project Name: CBWM-AC site 4
Data Entered by: Ayla Bennett	Survey ID: 51

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am	3.00	3.00
pm	5.00	3.00
Difference in water temperature:
Q Value:		93.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:
Downstream:
Difference in water temperature:		0
Q Value:

Step 2 Dissolved Oxygen

Concentration (mg/l):	11.00
% Saturation:	82.00
Equipment (if not Hach):

Step 3 pH

pH Reading:	8.60
Equipment:	pH Testr30
Nitrites:
Conductivity:
Other one:

Step 4 Turbidity

Tubdity (JTU):	0.00
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>):
Background Tubdity:
Tubdity increase over background:
Equipment	LaMotte