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Operation Water Drop Test Results

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Watson Lake Secondary School

Watson Lake, Yukon Y0A 1C0

Submitted Dec 13, 2018

High School

Alkalinity Results

Alkalinity Sample #1
Watson Lake Tap water

Result: 5.5 ml / 110 ppm


Alkalinity Sample #2
Raw water from Watson Lake

Result: 7.5 ml / 150 ppm


Alkalinity Sample #3
Raw water from Winded Lake

Result: 7.5 ml / 150 ppm


Alkalinity Sample #4
Raw water from well

Result: 9.5 ml / 190 ppm


Alkalinity Sample #5
Control Sample CGSL

Result: 2.5 ml / 50 ppm

Ammonia Results

Ammonia Sample #1
Watson Lake Tap water

Result: 0.4 mg/L/ppm


Ammonia Sample #2
Raw water from Watson Lake

Result: 0.5 mg/L/ppm


Ammonia Sample #3
Raw water from Winded Lake

Result: 0.4 mg/L/ppm


Ammonia Sample #4
Raw water from well

Result: 0.5 mg/L/ppm


Ammonia Sample #5
Control Sample CGSL

Result: 0.5 mg/L/ppm


Arsenic Results

Arsenic Sample #1
Watson Lake Tap water

Result: 1 ug/L


Arsenic Sample #2
Raw water from Watson Lake

Result: 1 ug/L


Arsenic Sample #3
Raw water from Winded Lake

Result: 2 ug/L


Arsenic Sample #4
Raw water from well

Result: 2 ug/L


Arsenic Sample #5
Control Sample CGSL

Result: 5 ug/L

Colour Results

Colour Sample #1
Watson Lake Tap water

Result: Lighter than the Canadian Guideline (PASS)
13 TCU


Colour Sample #2
Raw water from Watson Lake

Result: The same as the Canadian Guideline (PASS)
15 TCU


Colour Sample #3
Raw water from Winded Lake

Result: Darker than the Canadian Guideline (FAIL)
26 TCU


Colour Sample #4
Raw water from well

Result: The same as the Canadian Guideline (PASS)
17 TCU


Colour Sample #5
Control Sample CGSL

Result: The same as the Canadian Guideline (PASS)
15 TCU


Copper Results

Copper Sample #1
Watson Lake Tap water

Result: 0.05 mg/L/ppm


Copper Sample #2
Raw water from Watson Lake

Result: 0.05 mg/L/ppm


Copper Sample #3
Raw water from Winded Lake

Result: 0.1 mg/L/ppm


Copper Sample #4
Raw water from well

Result: 0.05 mg/L/ppm


Copper Sample #5
Control Sample CGSL

Result: 1.0 mg/L/ppm

Iron Results

Iron Sample #1
Watson Lake Tap water

Result: The same as the Canadian Guideline (PASS)
0.7 mg/L/ppm


Iron Sample #2
Raw water from Watson Lake

Result: The same as the Canadian Guideline (PASS)
0.5 mg/L/ppm


Iron Sample #3
Raw water from Winded Lake

Result: Darker than the Canadian Guideline (FAIL)
2.0 mg/L/ppm


Iron Sample #4
Raw water from well

Result: The same as the Canadian Guideline (PASS)
0.5 mg/L/ppm


Iron Sample #5
Control Sample CGSL

Result: The same as the Canadian Guideline (PASS)
0.3 mg/L/ppm


Manganese Results

Manganese Sample #1
Watson Lake Tap water

Result: 0.04 mg/L/ppm


Manganese Sample #2
Raw water from Watson Lake

Result: 0.04 mg/L/ppm


Manganese Sample #3
Raw water from Winded Lake

Result: 0.04 mg/L/ppm


Manganese Sample #4
Raw water from well

Result: 0.04 mg/L/ppm


Manganese Sample #5
Control Sample CGSL

Result: 0.05 mg/L/ppm

Nitrate Results

Nitrate Sample #1
Watson Lake Tap water

Result: 0 mg/L/ppm


Nitrate Sample #2
Raw water from Watson Lake

Result: 10 mg/L/ppm


Nitrate Sample #3
Raw water from Winded Lake

Result: 10 mg/L/ppm


Nitrate Sample #4
Raw water from well

Result: 10 mg/L/ppm


Nitrate Sample #5
Control Sample CGSL

Result: 40 mg/L/ppm


pH Results

pH Sample #1
Watson Lake Tap water

Result: 8.0 pH


pH Sample #2
Raw water from Watson Lake

Result: 9.0 pH


pH Sample #3
Raw water from Winded Lake

Result: 8.5 pH


pH Sample #4
Raw water from well

Result: 8.0 pH


pH Sample #5
Control Sample CGSL

Result: 7.0 pH

Sulphate Results

Sulphate Sample #1
Watson Lake Tap water

Result: Less cloudy than the CGLS cup (PASS)
100 mg/L


Sulphate Sample #2
Raw water from Watson Lake

Result: Less cloudy than the CGLS cup (PASS)
100 mg/L


Sulphate Sample #3
Raw water from Winded Lake

Result: Less cloudy than the CGLS cup (PASS)
100 mg/L


Sulphate Sample #4
Raw water from well

Result: Less cloudy than the CGLS cup (PASS)
100 mg/L


Sulphate Sample #5
Control Sample CGSL

Result: Equal in cloudiness to the CGLS cup (PASS)
400 mg/L


Total Chlorine Results

Chlorine Sample #1
Watson Lake Tap water

Result: 0.5 mg/L/ppm

Total Hardness Results

Total Hardness Sample #1
Watson Lake Tap water

Result: 50 mg/L/ppm


Total Hardness Sample #2
Raw water from Watson Lake

Result: 120 mg/L/ppm


Total Hardness Sample #3
Raw water from Winded Lake

Result: 180 mg/L/ppm


Total Hardness Sample #4
Raw water from well

Result: 180 mg/L/ppm


Total Hardness Sample #5
Control Sample CGSL

Result: 120 mg/L/ppm

Submitted Apr 5, 2018

High School