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EWG's Bottled Water Scorecard, 2011
January 25, 2012

EWG's Bottled Water Scorecard, 2011: Find Your Water

Kirkland Signature Premium Drinking Water
Grade: D
sold by Costco Wholesale Corporation
U.S. map showing states where samples were purchased
State purchasedAverage gradeMeets state labeling laws?
California C yes
Washington D n/a


n/a = not assessed

legend
LABEL Full information on label & website? ADVANCED TREATMENT? GRADE
SOURCE PURIFICATION TESTING

2010 summary

pie chart showing level of information on label pie chart showing level of information on label pie chart showing level of information on label

D

2009 summary

pie chart showing level of information on label pie chart showing level of information on label pie chart showing level of information on label

D

LABEL 1
Kirkland Signature Premium Drinking Water Label
Washington
pie chart showing level of information on label pie chart showing level of information on label pie chart showing level of information on label

D

LABEL 2
Kirkland Signature Premium Drinking Water Label
California
pie chart showing level of information on label pie chart showing level of information on label pie chart showing level of information on label

C

WATER SOURCE
Label information: Labels 1 & 2:
None Listed
Website information: Label 1: "municipally controlled wells and protected springs" (This information is not specific to this brand or this product. It is a general statement about all the waters produced by this bottling plant.); Label 2: "two (2) deep protected water wells and protected springs as sources for our process water" (This information is not specific to this brand or this product. It is a general statement about all the waters produced by this bottling plant.)
PURIFICATION METHOD
Label information: Labels 1 & 2:
"Advanced filtration, ozonation and reverse osmosis technologies"
Website information: Label 1: "protected by a multi- barrier approach which may include steps such as source protection and monitoring, and in-process treatments such as reverse osmosis, micron filtration, ozone treatment, the application of ultraviolet light or other appropriate processing measures." (This information is not specific to this brand or this product. It is a general statement about all the waters produced by this bottling plant.); Label 2: "a multi- barrier approach which includes source protection and monitoring as well as the following in-process treatments which remove any potential chemical and/ or microbiological contaminants: reverse osmosis… micron filtration… ozone disinfection" (This information is not specific to this brand or this product. It is a general statement about all the waters produced by this bottling plant.)
TESTING CONDUCTED
What information is on the label? Label 1:
"For a report on bottled water quality and information, call 1-888-391-1522 or visit www.advh2o.com"

Label 2:
"For more information and to obtain additional consumer information relating to water quality, including a bottled water report, go to: www.niagarawater.com or contact Niagara at (877) ITS-PURE."
Is the water quality report online? Yes
What tests were conducted? Label 1: Company provides a water quality report that is not specific to this brand. The report includes information on source water and water processing but it does not disclose the results of water testing: "Our company regularly tests for organic chemicals and inorganic chemicals that are regulated by the FDA. No contaminants were detected above FDA’s MCL (Maximum Contaminant Limits) in our testing for 2010. There have been no violations of any FDA Standard of Quality."; Label 2: Company provides a water quality report that is not specific to this brand. The report includes information on source water and water processing but it does not disclose the results of water testing: "We test for organic chemicals and inorganic chemicals as regulated by the FDA and the California Department of Public Health. No contaminants above MCL were detected in 2008. There have been no violations of any FDA Standards of Quality, we have not been required to test for any unregulated substances by the FDA or the State of California and no exemptions or variances have been granted by the California Department of Public Health."
ADDITIONAL INFORMATION
On the labelLabel 1:
Bottled by: Advanced H2O LLC, Burlington, WA 98233. Distributed by Costco Wholesale Corp. PO Box 34535, Seattle WA 98124-1535, USA. 1-800-774-2678, www.costco.com. Ingredients: Purified water, potassium bicarbonate, sodium bicarbonate, calcium chloride, and magnesium chloride. Mineral amounts not nutritionally significant.

Label 2:
Bottled by: Niagara Bottling LLC, Ontario, CA 91764, 1-877-ITS-PURE. Distributed by Costco Wholesale Corp. PO Box 34535, Seattle, WA 98124-1535 USA. 1-800-774-2678

WATER QUALITY REPORT (WQR)
Is the WQR available online? Yes
What is contained in the WQR? Labels 1 & 2:
WQR without water testing results
Does WQR available provide comparable information to municipal WQR? No

DATA SOURCE(S)
Label purchase location(s) (date):Label 1:
  • Pine Lakes Middle School, Sammamish, WA (16-Mar-10)


Label 2:
  • Staples, Menlo Park, CA (13-May-10)
  • Information Not Available, California (May-10)
  • Costco, La Mesa, CA (3-Apr-10)
  • Costco, Santa Clara, CA (Feb-10)

Official website:www.costco.com; www.advh2o.com

LABEL 1: SCORE/GRADE DETAILS
Information Provided Label Website Total  
Water source 0.0 / 2.0 0.5 / 1.0 0.5 / 3.0 Grade Key
A: 8.6-10.0
B: 6.9-8.5
C: 5.0-6.8
D: 2.9-4.9
F:-2.0-2.8
Purification method 2.0 / 2.0 0.5 / 1.0 2.5 / 3.0
Testing conducted 1.0 / 1.0 0.5 / 2.0 1.5 / 3.0
Thorough water quality report? +0.0 / 1.0
Compliant with state law? -0.0 / 1.0
Basic, unknown, or no treatment -0.0 / 1.0
Total 3.0 / 5.0 1.5 / 4.0 4.5 / 10.0
Advanced treatment advanced treatment used
Meets state labeling laws?
Final Grade

D


LABEL 2: SCORE/GRADE DETAILS
Information Provided Label Website Total  
Water source 0.0 / 2.0 0.5 / 1.0 0.5 / 3.0 Grade Key
A: 8.6-10.0
B: 6.9-8.5
C: 5.0-6.8
D: 2.9-4.9
F:-2.0-2.8
Purification method 2.0 / 2.0 1.0 / 1.0 3.0 / 3.0
Testing conducted 1.0 / 1.0 0.5 / 2.0 1.5 / 3.0
Thorough water quality report? +0.0 / 1.0
Compliant with state law? -0.0 / 1.0
Basic, unknown, or no treatment -0.0 / 1.0
Total 3.0 / 5.0 2.0 / 4.0 5.0 / 10.0
Advanced treatment advanced treatment used
Meets state labeling laws? in compliance with california regulation: provided the appropriate information on the label and water quality reports were available from both contacts listed on the label
Final Grade

C