Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: LARSON CREEK | Survey Date: April 13th, 2017
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature	0	92.00	X 0.10 =	9.2
Oxygen Saturation:	96.00	95.00	x 0.17 =	16.15
pH (units):	7.00	88.00	x 0.11 =	9.68
Turbidity (cm):	25.00	60.00	x 0.08 =	4.8
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				39.83

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: LARSON CREEK	Survey Date: April 13th, 2017
Organization Name: West Vancouver Streamkeepers Society	Project Name: H2O study
Data Entered by: Leslie	Survey ID: 251

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am	8.50	7.50
pm
Difference in water temperature:		0
Q Value:		92.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:
Downstream:
Difference in water temperature:		-7.5
Q Value:

Step 2 Dissolved Oxygen

Concentration (mg/l):	12.00
% Saturation:	96.00
Equipment (if not Hach):

Step 3 pH

pH Reading:	7.00
Equipment:	Hach
Nitrites:
Conductivity:
Other one:

Step 4 Turbidity

Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>):	25.00
Background Tubdity:
Tubdity increase over background:
Equipment	measuring stick