Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: MCMILLAN CREEK | Survey Date: June 16th, 2001
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature	3	85.00	X 0.10 =	8.5
Oxygen Saturation:	110.00	95.00	x 0.17 =	16.15
pH (units):	8.50	75.00	x 0.11 =	8.25
Turbidity - JTU:	3.46	90.00	x 0.08 =	7.2
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				40.1

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: MCMILLAN CREEK	Survey Date: June 16th, 2001
Organization Name: Pacific Streamkeepers Federationnorth	Project Name: Prince George
Data Entered by: Zo Ann	Survey ID: 202

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am	17.00	11.00
pm	21.00	14.00
Difference in water temperature:		3
Q Value:		85.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:
Downstream:
Difference in water temperature:		3
Q Value:

Step 2 Dissolved Oxygen

Concentration (mg/l):	11.00
% Saturation:	110.00
Equipment (if not Hach):	hach

Step 3 pH

pH Reading:	8.50
Equipment:	lamotte
Nitrites:
Conductivity:	366.00
Other one:

Step 4 Turbidity

Tubdity (JTU):	3.46
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>):
Background Tubdity:
Tubdity increase over background:
Equipment	2100 p turbiditymeter