Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: ALEXANDER CREEK | Survey Date: October 3rd, 2014
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature	2	88.00	X 0.10 =	8.8
Oxygen Saturation:	90.00	86.00	x 0.17 =	14.62
pH (units):	8.50	75.00	x 0.11 =	8.25
Turbidity - JTU:	0.00	98.00	x 0.08 =	7.84
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				39.51

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: ALEXANDER CREEK	Survey Date: October 3rd, 2014
Organization Name: Elk River Alliance	Project Name: CBWM-AC site 3
Data Entered by: Ayla Bennett	Survey ID: 92

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am	4.00	3.00
pm	9.00	5.00
Difference in water temperature:		2
Q Value:		88.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:
Downstream:
Difference in water temperature:		2
Q Value:

Step 2 Dissolved Oxygen

Concentration (mg/l):	12.00
% Saturation:	90.00
Equipment (if not Hach):

Step 3 pH

pH Reading:	8.50
Equipment:	oakton pHTestr3
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