Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: MCDONALD CREEK-WestV | Survey Date: 2024-01-28
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change:	0.00	92.00	X 0.10 =	9.2
Oxygen Saturation:	94.10	95.00	x 0.17 =	16.15
pH (units):	6.90	86.00	x 0.11 =	9.46
Turbidity - JTU:	0.00	0.00	x 0.08 =	0
Turbidity - NTU:	0.00	0.00	x 0.08 =	0
Turbidity (cm):	0.00	82.00	x 0.08 =	6.56
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				41.37

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: MCDONALD CREEK-WestV	Survey Date: 2024-01-28
Organization Name: West Vancouver Streamkeepers Society	Project Name: Winter water quality
Data Entered by: John Wilcockson	Survey ID: 1026

A) Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
09:30:00 am	13.50	7.60
00:00:00 pm	0.00	0.00
Difference in water temperature:		0.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:	0.00	0.00
Downstream:	0.00	0.00
Difference in water temperature:		0.00

B) Dissolved Oxygen

Concentration (mg/l):	11.10
% Saturation:	94.10
Equipment (if not Hach):	Oxyguard Polari

C) pH

pH Reading:	6.90
Equipment:	Hannah pen
Nitrites:	0.00
Conductivity:	56.00
Other one:	0.00

Turbidity

Tubdity (JTU):	0.00
Tubdity (NTU):	0.00
Tubdity (cm):	0.00
Tubdity (cm) greater than (>):	60.00
Background Tubdity:	0.00
Tubdity increase over background:	0.00
Equipment	Turbidity Tube