Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: NELSON CREEK | Survey Date: August 4th, 2021
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature	Not enough data	90.00	X 0.10 =	9
Oxygen Saturation:	120.00	90.00	x 0.17 =	15.3
pH (units):	6.40	80.00	x 0.11 =	8.8
Turbidity (cm):	0.00	75.00	x 0.08 =	6
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				39.1

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: NELSON CREEK	Survey Date: August 4th, 2021
Organization Name: West Vancouver Streamkeepers Society	Project Name: H2O quality
Data Entered by: Leslie	Survey ID: 634

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
11:00:00 am	19.30	16.50
Not recorded pm	Not recorded	Not recorded
Difference in water temperature:		Not enough data
Q Value:		90.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:	Not recorded	Not recorded
Downstream:	Not recorded	Not recorded
Difference in water temperature:		Not enough data
Q Value:		0.00

Step 2 Dissolved Oxygen

Concentration (mg/l):	12.00
% Saturation:	120.00
Equipment (if not Hach):

Step 3 pH

pH Reading:	6.40
Equipment:	hach
Nitrites:	0.00
Conductivity:	0.00
Other one:	0.00

Step 4 Turbidity

Tubdity (JTU):	0.00
Tubdity (NTU):	0.00
Tubdity (cm):	0.00
Tubdity (cm) greater than (>):	50.00
Background Tubdity:	0.00
Tubdity increase over background:	0.00
Equipment