Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: NINE MILE CREEK | Survey Date: August 8th, 2013
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature		93.00	X 0.10 =	9.3
Oxygen Saturation:	80.00	88.00	x 0.17 =	14.96
pH (units):	7.50	90.00	x 0.11 =	9.9
Turbidity (cm):	20.00	45.00	x 0.08 =	3.6
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				37.76

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: NINE MILE CREEK	Survey Date: August 8th, 2013
Organization Name: Lake Babine Nation	Project Name:
Data Entered by: Leanne Miranda	Survey ID: 55

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am	19.00	15.00
pm	20.00	15.00
Difference in water temperature:
Q Value:		93.00

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):	8.00
% Saturation:	80.00
Equipment (if not Hach):	Hach

Step 3 pH

pH Reading:	7.50
Equipment:	LaMotte
Nitrites:
Conductivity:
Other one:

Step 4 Turbidity

Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):	20.00
Tubdity (cm) greater than (>):
Background Tubdity:
Tubdity increase over background:
Equipment	meter stick