Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: BROTHERS CREEK | Survey Date: December 7th, 2016
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature	2.9	85.00	X 0.10 =	8.5
Oxygen Saturation:	70.00	50.00	x 0.17 =	8.5
pH (units):	7.20	89.00	x 0.11 =	9.79
Turbidity (cm):	60.00	75.00	x 0.08 =	6
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				32.79

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: BROTHERS CREEK	Survey Date: December 7th, 2016
Organization Name: West Vancouver Streamkeepers Society	Project Name: water quality
Data Entered by: Leslie Shuparski	Survey ID: 243

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am
pm	1.10	2.90
Difference in water temperature:		2.9
Q Value:		85.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:
Downstream:
Difference in water temperature:		2.9
Q Value:

Step 2 Dissolved Oxygen

Concentration (mg/l):	8.00
% Saturation:	70.00
Equipment (if not Hach):

Step 3 pH

pH Reading:	7.20
Equipment:	Hach
Nitrites:
Conductivity:
Other one:

Step 4 Turbidity

Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):	60.00
Tubdity (cm) greater than (>):	60.00
Background Tubdity:
Tubdity increase over background:
Equipment	tape measure