Shop Map Research Get the app
Kirkland Signature Spring Water

Image: Open Food Facts (CC BY-SA 3.0)

Common questions

Is Kirkland Signature Spring Water healthy?

Kirkland Signature Spring Water scores 80/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This spring water is sourced from a natural spring, ensuring high purity and minimal processing.

How processed is Kirkland Signature Spring Water?

Kirkland Signature Spring Water is NOVA Group 1: Unprocessed or Minimally Processed Foods.

Which ingredients drive Kirkland Signature Spring Water's score?

In Scout's ingredient-by-ingredient analysis, Calcium, Magnesium, Potassium count in its favor; Nitrates is flagged as an ingredient of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

You might also like

95
Saratoga Sparkling Spring Water Bottles - 12 Pack/12 Oz Glass Bottles
$44.40
95
Saratoga Sparkling Spring Water Bottle PET 16 Oz 6-Pack
Saratoga
$5.78
95
Dasani Purified Water Bottles 12 fl oz 8 Pack
$4.12
95
Evian Millenium 1999 Large Glass Tear Drop Sealed Water Bottle Special Edition
Evian
$3.49

More from Kirkland Signature

Kirkland Signature Organic Coconut Water 94 Kirkland Signature Organic Coconut Water Kirkland Signature Organic Virgin Coconut Oil 96 Kirkland Signature Organic Virgin Coconut Oil Kirkland Signature Organic Extra Virgin Olive Oil 94 Kirkland Signature Organic Extra Virgin Olive Oil Kirkland Signature Green Tea Sachet Packet 95 Kirkland Signature Green Tea Sachet Packet Kirkland Signature Purified Water Plastic Bottle 42 Kirkland Signature Purified Water Plastic Bottle KIRKLAND Signature Nuts plastic pouch 95 KIRKLAND Signature Nuts plastic pouch KIRKLAND Signature Organic Pine Nuts 95 KIRKLAND Signature Organic Pine Nuts Kirkland Dry Roasted Unsalted Almonds 95 Kirkland Dry Roasted Unsalted Almonds Kirkland Signature Almonds 95 Kirkland Signature Almonds Kirkland Signature Dry Roasted Macadamia Nuts with Sea Salt 95 Kirkland Signature Dry Roasted Macadamia Nuts with Sea Salt

See more

Kirkland Signature Spring Water

Kirkland Signature
80 Good

Analysis updated August 2026 · How Scout scores

$21.99 · 16.9 fl oz · pack of 40 · $0.03 / fluid ounce
View on Amazon
Verified Amazon match

Near you

Kirkland Signature is carried at Costco stores. Find one within 25 miles.

At a glance

Beneficial ingredients 5
Harmful ingredients 1
Owned by Costco
Category Bottled Water
Summary

This spring water is sourced from a natural spring, ensuring high purity and minimal processing. It contains beneficial minerals like calcium, magnesium, and potassium, which enhance its nutritional profile. The absence of contaminants and the use of safe packaging materials contribute to its high rating.

Key ingredients 8

Calcium
Good

Calcium is essential for healthy bones and teeth, and contributes to overall mineral balance in water.

See more about Calcium →
Magnesium
Good

Magnesium supports muscle and nerve function, making it a beneficial mineral in drinking water.

See more about Magnesium →
Potassium
Good

Potassium aids in maintaining proper cell function and electrolyte balance.

See more about Potassium →
Bicarbonates
Good

Bicarbonates help neutralize acidity in the body and support digestive health.

Chlorides
Good

Chlorides help maintain proper hydration and electrolyte balance in the body.

Sodium
Neutral

Sodium helps regulate fluid balance but should be consumed in moderation; naturally occurring in water.

See more about Sodium →
Sulphates
Neutral

Sulphates naturally occur in water and are generally safe at low levels, contributing to mineral content.

Nitrates
Bad

Nitrates can be a concern if present in high levels, as they may affect health, though naturally occurring levels are usually low.

See more about Nitrates →

Processing

Group 1 · Minimally processed

Unprocessed or Minimally Processed Foods

Get the full breakdown in the Scout appTake Scout shopping

Scan any product to see lab results, healthy alternatives, and your personalized analysis.

Download on theApp Store GET IT ONGoogle Play
Amazon pricing & content

Amazon price as of . Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED “AS IS” AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

More in Water Bottles