Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: BROWNE CREEK | Survey Date: September 6th, 2017
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature	1.5	88.00	X 0.10 =	8.8
Oxygen Saturation:	85.00	92.00	x 0.17 =	15.64
pH (units):	6.90	86.00	x 0.11 =	9.46
Turbidity (cm):	70.00	75.00	x 0.08 =	6
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				39.9

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: BROWNE CREEK	Survey Date: September 6th, 2017
Organization Name: Pearson Ecological	Project Name: Project Monitoring
Data Entered by: ZoAnn	Survey ID: 267

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am	23.00	11.00
pm	25.00	12.50
Difference in water temperature:		1.5
Q Value:		88.00

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):	9.00
% Saturation:	85.00
Equipment (if not Hach):	hach

Step 3 pH

pH Reading:	6.90
Equipment:	hach 5.5-8.5 ra
Nitrites:
Conductivity:
Other one:

Step 4 Turbidity

Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>):	70.00
Background Tubdity:
Tubdity increase over background:
Equipment	meter stick > 37 t0 bottom