Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: LYNN CREEK | Survey Date: September 20th, 2014
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature	14	91.00	X 0.10 =	9.1
Oxygen Saturation:	109.20	99.00	x 0.17 =	16.83
pH (units):	7.13	91.00	x 0.11 =	10.01
Turbidity - JTU:	0.80	98.00	x 0.08 =	7.84
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				43.78

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: LYNN CREEK	Survey Date: September 20th, 2014
Organization Name: PSKF	Project Name: WQ KB
Data Entered by: ZoAnn Morten	Survey ID: 109

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am
pm	21.00	14.00
Difference in water temperature:		14
Q Value:		91.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:
Downstream:
Difference in water temperature:		14
Q Value:

Step 2 Dissolved Oxygen

Concentration (mg/l):	11.22
% Saturation:	109.20
Equipment (if not Hach):	YSI6820

Step 3 pH

pH Reading:	7.13
Equipment:	YSI6820
Nitrites:
Conductivity:
Other one:

Step 4 Turbidity

Tubdity (JTU):	0.80
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>):
Background Tubdity:
Tubdity increase over background:
Equipment	YSI6820