Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: HASTINGS CREEK | Survey Date: February 11th, 2000
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature		91.00	X 0.10 =	9.1
Oxygen Saturation:	90.00	95.00	x 0.17 =	16.15
pH (units):	6.80	78.00	x 0.11 =	8.58
Turbidity (cm):	36.00	75.00	x 0.08 =	6
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				39.83

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: HASTINGS CREEK	Survey Date: February 11th, 2000
Organization Name: North Shore Streamkeepers	Project Name:
Data Entered by: TIM MORTEN	Survey ID: 200

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am	7.00	6.00
pm	8.00	6.00
Difference in water temperature:
Q Value:		91.00

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

Step 2 Dissolved Oxygen

Concentration (mg/l):	11.00
% Saturation:	90.00
Equipment (if not Hach):

Step 3 pH

pH Reading:	6.80
Equipment:	HACH
Nitrites:
Conductivity:
Other one:

Step 4 Turbidity

Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):	36.00
Tubdity (cm) greater than (>):
Background Tubdity:
Tubdity increase over background:
Equipment	METRE STICK