Streamkeepers Database | Module 3 Water Quality Index

Module 3 Water Quality Index

Stream Name: HASTINGS CREEK | Survey Date: July 13th, 2015
Chemical Test	Result	Q-value	Weighting	Index Value
Temperature Change: Temperature	1	91.00	X 0.10 =	9.1
Oxygen Saturation:	94.00	98.00	x 0.17 =	16.66
pH (units):	7.30	90.00	x 0.11 =	9.9
Turbidity (cm):	35.00	65.00	x 0.08 =	5.2
Total = Water Quality Index (Compare this value to the Water Quality Chart below)				40.86

Water Quality Chart

Good

40-45

Acceptable

30-40

Marginal

20-30

Poor

< 20

Survey Results

Stream Name: HASTINGS CREEK	Survey Date: July 13th, 2015
Organization Name: North Shore Streamkeepers	Project Name: Water at 27th St cul
Data Entered by: ZoAnn	Survey ID: 136

Step 1 Temperature

Time of Day	Air Temp (0^o)	Water Temp (0^o)
am	17.00	16.00
pm	20.00	17.00
Difference in water temperature:		1
Q Value:		91.00

Site	Air Temp(0^o)	Water Temp(0^o)
Upstream:
Downstream:
Difference in water temperature:		1
Q Value:

Step 2 Dissolved Oxygen

Concentration (mg/l):	9.00
% Saturation:	94.00
Equipment (if not Hach):	hach

Step 3 pH

pH Reading:	7.30
Equipment:	hach
Nitrites:
Conductivity:
Other one:

Step 4 Turbidity

Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):	35.00
Tubdity (cm) greater than (>):
Background Tubdity:
Tubdity increase over background:
Equipment	Meter stick