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The Proof

Why Do Carlsbad
Homeowners LOVE Us?

“Their team is always friendly, professional, and quick to answer any questions.”

We’ve had our Culligan system for over 8 years, and it’s been one of the best decisions for our home. From installation to yearly maintenance, the service has always been top-notch. I’ve noticed a huge improvement in how soft my skin and hair feel, and our appliances have been running smoother since we no longer deal with hard water buildup.

– Mario B.
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“Everything is done efficiently and with care.”

The entire Culligan experience has been excellent from start to finish. Their technician walked us through every detail of our reverse osmosis system and made sure we were completely comfortable using it. The water quality is unbelievable—crystal clear, with no chlorine taste. I also appreciate how easy they make scheduling filter changes and service calls.

– Anthony B.
Star Star Star Star Star
“I highly recommend them to anyone considering better water for their home.”

I can’t say enough about the difference our Culligan water softener has made. Before we got it, I was constantly fighting water spots and dry skin. Now, everything feels cleaner, and even our laundry comes out softer. The team at Culligan is reliable, knowledgeable, and always goes the extra mile to make sure our system is running perfectly.

– Lauren B.
Star Star Star Star Star

Frequently Asked Questions for Water in Carlsbad, CA

Is Carlsbad tap water safe to drink?

Yes, Carlsbad’s tap water meets state and federal standards. However, the Environmental Working Group (EWG) has identified contaminants that exceed its stricter health guidelines, including arsenic, bromate, chloroform, and haloacetic acids (HAA5). Using water filtration systems can help reduce exposure to these contaminants.

Is Carlsbad’s water hard?

Yes, Carlsbad’s water is classified as hard, with an average hardness of 242 ppm (14.2 grains per gallon). Hard water can cause scale buildup on plumbing fixtures and reduce appliance efficiency.

Does Carlsbad’s water contain PFAS (“Forever Chemicals”)?

Yes, testing detected PFAS compounds such as PFOA and PFOS (up to 9 ppt). While levels are below California’s maximum response thresholds, many residents use reverse osmosis or advanced carbon filtration for extra protection.

Does Carlsbad add fluoride to its water?

The water quality report for Carlsbad shows optimal ranges of 0.7 ppm for fluoride levels, but they do not provide an average level of fluoride.

What other contaminants are in Carlsbad’s water?

According to the 2024 water quality report, Carlsbad’s water contains:

Where does Carlsbad get its water?

Carlsbad’s water is imported from the Colorado River and Northern California, transported through the Colorado River Aqueduct and California Aqueduct. Additionally, some supply comes from the Carlsbad Desalination Plant and local groundwater.

What is the pH level of Carlsbad’s water?

The pH of Carlsbad’s water ranges from 7.5 to 8.7, which is slightly alkaline.

Should I use a water filter or softener in Carlsbad?

Yes, due to hard water and contaminants like PFAS and disinfection byproducts, many residents use whole-house water filtersreverse osmosis systems, and water softeners to improve water quality, taste, and appliance longevity.

Does Carlsbad’s water have high total dissolved solids (TDS)?

Yes, TDS levels range from 474–611 ppm, exceeding California’s secondary standards for optimal taste. Reverse osmosis systems are recommended to reduce TDS.

Where can I get a local water quality report?

You can access Carlsbad’s latest Water Quality Report here.

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