Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: ALEXANDER CREEK | Survey Date: June 15th, 2014
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):	8.57	75.00	x 0.11 =	8.25
Turbidity - JTU:	5.00	86.00	x 0.08 =	6.88
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				40.38

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: ALEXANDER CREEK	Survey Date: June 15th, 2014
Organization Name: Elk River Alliance	Project Name: CBWM-AC site 2
Data Entered by: Ayla Bennett	Survey ID: 88

Step 1 Temperature

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

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:	9.00	6.00
Downstream:	12.00	6.00
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:	8.57
Equipment:	oakton pH Testr
Nitrites:
Conductivity:
Other one:

Step 4 Turbidity

Tubdity (JTU):	5.00
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>):
Background Tubdity:
Tubdity increase over background:
Equipment	LaMotte