Q: How do we know our filters do what we claim?

A: Independent, 3rd Party Laboratory Testing

We test our products according to the most Rigorous EPA, ANSI & NSF standards for drinking water.

ClearlyFiltered products have been tested by EPA certified laboratories who specialize in water quality analysis. Our filters have been tested to meet or exceed the NSF standards 42 & 53 for drinking water.

Click a Report Below to View the Test Results

Water Filtration Pitchers
Inorganic Testing

Download PDF

Water Filtration Pitchers
Organic Testing

Download PDF

Under the Sink Filter
Water Test Report

Download PDF

Water Filtration Pitchers Inorganic Testing

Filter Preparation Prior to Analysis: The complete filtering unit was initially rinsed and drained with 1 liter of de-ionized water.

DESCRIPTION OF METHODS

Nitrite, Nitrate and Fluoride: A 500ml of 1mg/L fluoride, 2mg/l nitrite and 20mg/L nitrate were transferred to filter unit MS-1905-06 and were filtered through the filter an analyzed.

MBAS Analyses: A 500ml of 300ug/L aliquot was passed through the filter and analyzed.

Trace Metals: A 500ml of 200ug/L each of chromium, copper, lead, nickel, cadmium, cobalt, zinc, arsenic, molybdenum, vanadium, mercury, antimony, selenium, thallium, and 500 ug/l of barium was transferred to filter unit MS-1905-06 and MS-1906-06, filtered through the filter, and analyzed.

Mercury: 1 liter of 25ug/l mercury in water was transferred to unit MS-1005-06 and MS-1906-06, filtered through the filter, and analyzed.

Turbidity: 500ml of water with turbidity value of 4.5 NTU was passed through the filters and analyzed.

Chromium 6: 500ml water with 200ug/l chromium 6 was filtered through filter unit MS-1905-06 and MS-1906-06, and the filtrate was analyzed.

Total Residual Chlorine: 5-ml aliquot of 0.8 mg/l chlorine was passed through the filters and analyzed.

INORGANIC TESTING
Test # Analyte Method Used Pre-Filtered Concentration Units Post-Filtration Result % Reduction Reporting Limit
1905/06 Nitrate SM4110 20 mg/l 18.6 65% 0.5
1905/06 Nitrate SM4110 2 mg/l <0.1 >95% 0.1
1905/06 Fluoride SM4110 1 mg/l <0.1 >90% 0.1
1905/06 Arsenic 200.8 200 ug/l <2 >99% 2
1905/06 MBAS 425.1 300 ug/l <10 >96.67% 10
1905/06 Chromium 200.8 200 ug/l 117 41.50% 10
1905/06 Copper 200.8 200 ug/l 39.2 80.40% 10
1905/06 Nickel 200.8 200 ug/l 152 24% 10
1905/06 Cadmium 200.8 200 ug/l 128 36% 1
1905/06 Cobalt 200.8 200 ug/l 154 23% 10
1905/06 Zinc 200.8 200 ug/l 183 8.5% 50
1905/06 Lead 200.8 200 ug/l <5 >97.50% 5
1905/06 Molybdenum 200.8 200 ug/l <20 >90% 20
1905/06 Vanadium 200.8 200 ug/l <25 >87.50% 25
1905/06 Animony 200.8 200 ug/l <5 >97.50% 5
1905/06 Selenium 200.8 200 ug/l <5 >97.50% 5
1905/06 Thallium 200.8 200 ug/l <1 >99.50% 1
1905/06 Barium 200.8 300 ug/l 233 53.40% 100
1905/06 Chromium 6 218.6.IC 200 ug/l 7.76 96.12% 0.25
1905/06 Mercury 245.1 25 ug/l <0.5 >98% 0.5
1905/06 Total Residual Chlorine 330.5 0.8 mg/l <0.1 >87.50% 0.1
1905/06 Turbidity 180.1 4.5 NTU 0.12 97.33% 0.1

Water Filtration Pitchers Organic Testing

Filter Preparation Prior to Analysis: The complete filtering unit was initially rinsed and drained with 1 liter of de-ionized water.

DESCRIPTION OF METHODS

Volatile Organic (Method 524.2): 125 ul(.125 mg/l) of volatile organic standard in methanol at 200 ug/ml was added to 1 liter of de-ionized water. This spiked water (concentration equal to 125 ug/l) was transferred to filter unit MS-1905-06 and MS-1906-06, filtered through the unit and analyzed.

Chlorinated Pesticides (Method 505): 1.0ml of chlorinated pesticides at 10 ug/ml was added to 1 liter of de-ionized water This spiked water (concentration equal to 10 ug/l) was transferred to filter unit MS-1905-06 and MS-1906-06, filtered through the unit and analyzed.

Nitrogen and Phosphorous Containing Pesticides (Method 507): 1ml of simazine, atrazine, molinate and theobencarb at 50 ug/ml was added to 1.0 liter of de-ionized water. This spiked water (concentration equal to 50 ug/l) was transferred to the filter unit MS-1905-06 and MS-1906-06, filtered through the unit and analyzed.

Chlorinated Acids (Method 515.3): 500ul (0.5 ml) of Chlorniated Acids at 0.5 mg/ml was added to 1.0 liter of de-ionized water. This spiked water (concentration equal to 500 ug/l) was transferred to filter unit MS-1905-06 and MS-1906-06, filtered through the unit and analyzed.

Carbamates (Method 531.1): 500ul (0.5 ml) of Carbamates at 0.5 mg/ml was added to 1.0 liter of de-ionized water. This spiked water (concentration equal to 500 ug/l) was transferred to filter unit MS-1905-06 and MS-1906-06, filtered through the unit and analyzed.

Glyphosate (Method 547): 1mg of Glyphosate standard at 1.0 mg/ml was added to 1.0 liter of de-ionized water. This spiked water (concentration equal to 1000 ug/l) was transferred to filter unit MS-1905-06 and MS-1906-06, filtered through the unit and analyzed.

ORGANIC TESTING
Analyte Method Used Pre-Filtered Concentration Units Post-Filtration Result % Reduction Reporting Limit
Bromidichloromethane 524.2 250 ug/l 0.64 99.74% 0.5
Bromoform 524.2 250 ug/l <0.5 >99.80% 0.5
Chloroform 524.2 250 ug/l 0.85 99.66% 0.5
Dibromochloromethane 524.2 250 ug/l <0.5 >99.80% 0.5
Benzene 524.2 250 ug/l 0.54 99.78% 0.5
Carbon Tertachloride 524.2 250 ug/l <0.5 99.80% 0.5
1.2-Dichlorobenzene 524.2 250 ug/l <0.5 99.80% 0.5
1.4-Dichlorobenzene 524.2 250 ug/l <0.5 99.80% 0.5
1.1-Dichloroethane 524.2 250 ug/l 0.67 99.73% 0.5
1.2-Dichloroethane 524.2 250 ug/l 0.76 99.70% 0.5
1.1-Dichloroethylane 524.2 250 ug/l <0.5 >99.80% 0.5
CIS-1.2-Dichloroethylane 524.2 250 ug/l 0.63 99.75% 0.5
trans-1.2-Dichloroethylane 524.2 250 ug/l <0.5 >99.80% 0.5
Dichloromethane (methylene chloride) 524.2 250 ug/l <0.5 >99.80% 0.5
1.2-Dichloropropane 524.2 250 ug/l 0.62 99.75% 0.5
Ethyl Benzene 524.2 250 ug/l <0.5 >99.80% 0.5
1.3-Dichloropropene 524.2 250 ug/l <0.5 >99.80% 0.5
1.1-Dichloroethane 524.2 250 ug/l <0.5 >99.80% 0.5
Monochlorobenzene 524.2 250 ug/l <0.5 >99.80% 0.5
Styrene 524.2 250 ug/l <0.5 >99.80% 0.5
1.1.2.2-Tetrachloroethane 524.2 250 ug/l <0.5 >99.80% 0.5
Tetrachloroethylene 524.2 250 ug/l <0.5 99.80% 0.5
Toluene 524.2 250 ug/l <0.5 >99.80% 0.5
1.2.4-Trichlorobenzene 524.2 250 ug/l <0.5 >99.80% 0.5
1.1.1-Trichloroethane 524.2 250 ug/l 0.64 99.74% 0.5
1.1.2-Trichloroethane 524.2 250 ug/l 0.63 99.75% 0.5
Trichloroethylene 524.2 250 ug/l <0.5 >99.80% 0.5
Trichlorotrifluoroethane (Freon 113) 524.2 250 ug/l <0.5 >99.80% 0.5
Vinylchloride 524.2 250 ug/l <0.5 >99.60% 0.5
Total Xylenes 524.2 750 ug/l 1.32 99.82% 0.5
MTBE 524.2 250 ug/l <1 >99.60% 0.5
Hexachlorocyclopentadiene 505 10 ug/l <1 >90.00% 0.5
Lindane 505 10 ug/l <0.2 >98.00% 0.5
Heptachlor 505 10 ug/l <0.01 >99.90% 0.5
Heptachlor Epoxide 505 10 ug/l <0.01 99.90% 0.5
Endrin 505 10 ug/l <0.1 >99.00% 0.5
Methoxychlor 505 10 ug/l <1 >90.00% 0.5
Molinate 507 50 ug/l <2 >96.00% 0.5
Atrazine 507 50 ug/l <1 >98.00% 0.5
Simazine 507 50 ug/l <1 >98.00% 0.5
Theobencarb 507 50 ug/l <1 >98.00% 0.5
Bentazon 515.3 500 ug/l <2 >99.60% 0.5
2.4-D 515.3 500 ug/l <10 >98.00% 0.5
Dinoseb 515.3 500 ug/l <2 >99.60% 0.5
Pentachlorophenol 515.3 500 ug/l <0.2 >99.96% 0.5
Silvex 515.3 500 ug/l <1 >99.80% 0.5
Oxamyl 531.1 500 ug/l <20 >96.00% 0.5
Carbofuran 531.1 500 ug/l <5 >99.00% 0.5
Glyphosate 547 1000 ug/l 59.8 94.02% 0.5

1. Method number from EPA Publication EPA-600/4-79-202, rev. 3/83

Under the Sink Filter Water Test Report

REPORT # 16-327 (UNDER THE SINK FILTER)
REPORT DATE 06/14/2016
Analyte Influent Water Concentration Units Element Effluend Concentration % Reduction
VOLATILE ORGANIC CONTAMINANTS
Chloroform 280 ug/l 75.6 73%
Total Trihalomethanes (TTHM's) 280 ug/l 75.6 73%
HEAVY METAL CONTAMINANTS
Arsenic (+3 and +5) 193 ug/l 20 89.6%
Chromium (+6) 292 ug/l 97.3 66.7%
Copper 3155 ug/l <1 >99.9%
Iron 3425 ug/l <1 >99.9%
Lead 162 ug/l <1 >99.9%
Mercury 5.9 ug/l <1 >99.9%
Aluminum 223 ug/l <1 >99.9%
DISINFECTANT AND INORGANIC NON-METAL CONTAMINANTS
Chloramines 3.0 mg/l 0.2 93.3%
Residual Chlorine 2.2 mg/l 0.2 90.9%
Sodium Fluroide 2.2 mg/l <0.1 99.5%
Nitrates 27.1 mg/l 1.1 95.9%
PHARMACEUTICAL DRUGS CONTAMINANTS
Acetominofen 20.4 ug/l 2.3 88.7%
Ciprofloxacin HCI 20.2 ug/l <0.5 99%
Naproxen Sodium 20.4 ug/l <0.5 99%
Bisphenol A 20.2 ug/l 1.5 92.6%
Erythromycin USP 20.0 ug/l <0.5 99%
Progesterone 20.4 ug/l <0.5 99%
Ibuprofen 20.6 ug/l <0.5 99%