Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: MURRAY CREEK | Survey Date: September 25th, 2017
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature	1.5	87.00	X 0.10 =	8.7
Oxygen Saturation:	109.00	96.00	x 0.17 =	16.32
pH (units):	8.30	75.00	x 0.11 =	8.25
Turbidity (cm):	75.00	78.00	x 0.08 =	6.24
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				39.51

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: MURRAY CREEK	Survey Date: September 25th, 2017
Organization Name: Nechako Secondary School	Project Name: Student streamkeeper
Data Entered by: ZoAnn Morten	Survey ID: 270

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am	14.00	8.50
pm	19.00	10.00
Difference in water temperature:		1.5
Q Value:		87.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:
Downstream:
Difference in water temperature:		1.5
Q Value:

Step 2 Dissolved Oxygen

Concentration (mg/l):	12.00
% Saturation:	109.00
Equipment (if not Hach):	Hach

Step 3 pH

pH Reading:	8.30
Equipment:	Lamotte 3.0-10.
Nitrites:
Conductivity:
Other one:

Step 4 Turbidity

Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):	75.00
Tubdity (cm) greater than (>):	28.00
Background Tubdity:
Tubdity increase over background:
Equipment	meter stick - and filled bucket