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Safe Drinking Water Foundation Test Results

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Churchill Community High School

La Ronge, Saskatchewan S0J 1L0

Submitted Nov 29, 2018

High School

Alkalinity Results

Alkalinity Sample #1
Local (Raw) - Well Water

Result: 9.0 ml / 180 ppm

Alkalinity Sample #2
Local Filtration System - Lake Intake

Result: 4.5 ml / 90 ppm

Alkalinity Sample #3
Local Treated - Residence

Result: 5.0 ml / 100 ppm

Alkalinity Sample #4
Urban Treated - School

Result: 4.0 ml / 80 ppm

Alkalinity Sample #5
Alkalinity Low Limit Sample

Result: 3.0 ml / 60 ppm

Ammonia Results

Ammonia Sample #1
Local (Raw) - Well Water

Result: 0.0 mg/L/ppm

Ammonia Sample #2
Local Filtration System - Lake Intake

Result: 0.0 mg/L/ppm

Ammonia Sample #3
Local Treated - Residence

Result: 0.0 mg/L/ppm

Ammonia Sample #4
Urban Treated - School

Result: 0.0 mg/L/ppm

Ammonia Sample #5
Ammonia European Union Limit Sample

Result: 0.0 mg/L/ppm

Arsenic Results

Arsenic Sample #1
Local (Raw) - Well Water

Result: 0 ug/L

Arsenic Sample #2
Local Filtration System - Lake Intake

Result: 0 ug/L

Arsenic Sample #3
Local Treated - Residence

Result: 0 ug/L

Arsenic Sample #4
Urban Treated - School

Result: 0 ug/L

Arsenic Sample #5
Arsenic Proposed Canadian Guideline Limit Sample

Result: 0 ug/L

Colour Results

Colour Sample #1
Local (Raw) - Well Water

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

Colour Sample #2
Local Filtration System - Lake Intake

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

Colour Sample #3
Local Treated - Residence

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

Colour Sample #4
Urban Treated - School

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

Colour Sample #5
Colour Canadian Guideline Limit Sample

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

Copper Results

Copper Sample #1
Local (Raw) - Well Water

Result: 0.4 mg/L/ppm

Copper Sample #2
Local Filtration System - Lake Intake

Result: 0.0 mg/L/ppm

Copper Sample #3
Local Treated - Residence

Result: 0.1 mg/L/ppm

Copper Sample #4
Urban Treated - School

Result: 1.0 mg/L/ppm

Copper Sample #5
Copper Canadian Guideline Limit Sample

Result: 0.4 mg/L/ppm

Iron Results

Manganese Results

Manganese Sample #1
Local (Raw) - Well Water

Result: 0.2 mg/L/ppm

Manganese Sample #2
Local Filtration System - Lake Intake

Result: 0.4 mg/L/ppm

Manganese Sample #3
Local Treated - Residence

Result: 0.4 mg/L/ppm

Manganese Sample #4
Urban Treated - School

Result: 0.4 mg/L/ppm

Manganese Sample #5
Manganese Canadian Guideline Limit Sample

Result: 0.05 mg/L/ppm

Nitrate Results

Nitrate Sample #1
Local (Raw) - Well Water

Result: 50 mg/L/ppm

Nitrate Sample #2
Local Filtration System - Lake Intake

Result: 0 mg/L/ppm

Nitrate Sample #3
Local Treated - Residence

Result: 0 mg/L/ppm

Nitrate Sample #4
Urban Treated - School

Result: 10 mg/L/ppm

Nitrate Sample #5
Nitrate Canadian Guideline Limit Sample

Result: 0 mg/L/ppm

pH Results

pH Sample #1
Local (Raw) - Well Water

Result: 8.0 pH

pH Sample #2
Local Filtration System - Lake Intake

Result: 7.0 pH

pH Sample #3
Local Treated - Residence

Result: 7.0 pH

pH Sample #4
Urban Treated - School

Result: 7.0 pH

pH Sample #5
pH Buffer 7

Result: 7.5 pH

Sulphate Results

Sulphate Sample #1
Local (Raw) - Well Water

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

Sulphate Sample #2
Local Filtration System - Lake Intake

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

Sulphate Sample #3
Local Treated - Residence

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

Sulphate Sample #4
Urban Treated - School

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

Sulphate Sample #5
Sulphate Canadian Guideline Limit Sample

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

Total Chlorine Results

Total Hardness Results

Total Hardness Sample #1
Local (Raw) - Well Water

Result: 120 mg/L/ppm

Total Hardness Sample #2
Local Filtration System - Lake Intake

Result: 0 mg/L/ppm

Total Hardness Sample #3
Local Treated - Residence

Result: 0 mg/L/ppm

Total Hardness Sample #4
Urban Treated - School

Result: 0 mg/L/ppm

Total Hardness Sample #5
Total Hardness Saskatchewan Guideline Limit Sample

Result: 250 mg/L/ppm