Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: BROTHERS CREEK | Survey Date: January 29th, 2019
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature	0	93.00	X 0.10 =	9.3
Oxygen Saturation:	84.00	92.00	x 0.17 =	15.64
pH (units):	6.80	84.00	x 0.11 =	9.24
Turbidity (cm):	60.00	77.00	x 0.08 =	6.16
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				40.34

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: BROTHERS CREEK	Survey Date: January 29th, 2019
Organization Name: West Vancouver streamkeepers	Project Name: H2O study
Data Entered by: Leslie	Survey ID: 361

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am	2.00	4.40
pm
Difference in water temperature:		0
Q Value:		93.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:
Downstream:
Difference in water temperature:		-4.4
Q Value:

Step 2 Dissolved Oxygen

Concentration (mg/l):	11.00
% Saturation:	84.00
Equipment (if not Hach):

Step 3 pH

pH Reading:	6.80
Equipment:
Nitrites:
Conductivity:
Other one:

Step 4 Turbidity

Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>):	60.00
Background Tubdity:
Tubdity increase over background:
Equipment	measuring stick