Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: BRANDT CREEK | Survey Date: November 3rd, 2001
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature	10	50.00	X 0.10 =	5
Oxygen Saturation:	0.00	90.00	x 0.17 =	15.3
pH (units):		80.00	x 0.11 =	8.8
Turbidity - JTU:	6.50	15.00	x 0.08 =	1.2
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				30.3

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: BRANDT CREEK	Survey Date: November 3rd, 2001
Organization Name: SOKS	Project Name:
Data Entered by:	Survey ID: 4

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
10:15:00 am	7.00
10:45:00 pm	11.00	10.00
Difference in water temperature:		10
Q Value:		50.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:
Downstream:
Difference in water temperature:		10
Q Value:

Step 2 Dissolved Oxygen

Concentration (mg/l):	10.00
% Saturation:	0.00
Equipment (if not Hach):	85

Step 3 pH

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

Step 4 Turbidity

Tubdity (JTU):	6.50
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>):
Background Tubdity:
Tubdity increase over background:
Equipment	0.00