Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: LARSON CREEK | Survey Date: January 4th, 2019
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature	6.8	92.00	X 0.10 =	9.2
Oxygen Saturation:	110.00	95.00	x 0.17 =	16.15
pH (units):	6.80	85.00	x 0.11 =	9.35
Turbidity (cm):	30.00	60.00	x 0.08 =	4.8
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				39.5

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: LARSON CREEK	Survey Date: January 4th, 2019
Organization Name: West Vancouver streamkeepers	Project Name:
Data Entered by: Leslie	Survey ID: 357

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am
pm	8.00	6.80
Difference in water temperature:		6.8
Q Value:		92.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:
Downstream:
Difference in water temperature:		6.8
Q Value:

Step 2 Dissolved Oxygen

Concentration (mg/l):	13.00
% Saturation:	110.00
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 (>):	30.00
Background Tubdity:
Tubdity increase over background:
Equipment