Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: MCDONALD CREEK-WestV | Survey Date: November 2nd, 2016
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature	0	91.00	X 0.10 =	9.1
Oxygen Saturation:	130.00	85.00	x 0.17 =	14.45
pH (units):	6.90	85.00	x 0.11 =	9.35
Turbidity (cm):	35.00	75.00	x 0.08 =	6
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				38.9

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: MCDONALD CREEK-WestV	Survey Date: November 2nd, 2016
Organization Name: West Vancouver Streamkeepers Society	Project Name: Water testing
Data Entered by: ZoAnn	Survey ID: 240

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am	10.00	9.00
pm
Difference in water temperature:		0
Q Value:		91.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:
Downstream:
Difference in water temperature:		-9
Q Value:

Step 2 Dissolved Oxygen

Concentration (mg/l):	15.00
% Saturation:	130.00
Equipment (if not Hach):	Hach

Step 3 pH

pH Reading:	6.90
Equipment:	Hach range 5.5-
Nitrites:
Conductivity:
Other one:

Step 4 Turbidity

Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>):	35.00
Background Tubdity:
Tubdity increase over background:
Equipment	METRE STICK