City of San Bernardino Water delivers 380 PPM extremely hard water to your home. Our whole-home filtration systems remove hardness, chlorine, and scale — for softer skin and better-tasting water from every tap.
San Bernardino's water is supplied by the City of San Bernardino Water. The local supply measures 380 PPM of hardness, classified as "Extremely Hard" — well above the 120 PPM threshold that defines hard water.
The utility also uses chlorine/chloramines at roughly 2.4 mg/L for disinfection. While safe to drink, these leave a chemical taste and odor and can dry out skin and hair. The high mineral content causes scale buildup on fixtures, glassware, and appliances — the most common water complaint we hear from San Bernardino homeowners.
Extremely Hard — anything over 120 PPM is considered hard water.
Used for disinfection — causes bad taste and dry skin.
Extremely hard water with heavy mineral scaling throughout the home.
San Bernardino is a city in and the county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a population of 222,101 in the 2020 census, making it the 18th–most populous city in California. The Riverside–San Bernardino metropolitan area at 4.74 million residents is the 12th-largest metropolitan area in the nation. San Bernardino is the economic, cultural, and political hub of the San Bernardino Valley, sharing that distinction for the wider Inland Empire with its twin city of Riverside.
As a locally based water filtration company serving San Bernardino and the surrounding Orange County area, truClear Water Filtration Co. understands the specific water quality challenges that San Bernardino residents face. Our team has installed hundreds of whole-home filtration and softening systems in San Bernardino homes, giving us firsthand experience with the mineral content, scale behavior, and chlorine levels characteristic of the City of San Bernardino Water supply.
Whether you live in a newer San Bernardino development or an established neighborhood with older plumbing, our free in-home water test will reveal exactly what's in your water — and our licensed installers (Applied Plumbing & Rooter, CA Lic. #1151992) will recommend the right system for your home's specific needs.
At 380 PPM, San Bernardino water is packed with calcium and magnesium. Over time, these minerals crystallize inside your pipes, water heater, and appliances.


* Drag the slider to compare scale buildup vs. protected pipes
Four premium filtration solutions — we'll help you pick the right one based on your free in-home water test.
Stainless Steel System
Ultimate protection with lifetime warranty. Maximum filtration and salt-free scale prevention.
High-Capacity System
Excellent whole-home filtration and scale control at an incredible value.
Space-Saving Design
Advanced Filtersorb SP3 technology protecting your plumbing, fixtures, and appliances.
Under-Sink Drinking Water
Bottled-quality water right at your kitchen sink. Removes 99% of dissolved solids.
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We test your San Bernardino home's water and recommend the right system.
Professional Installation by Applied Plumbing & Rooter, Inc. — CA License #1151992
Common questions from San Bernardino homeowners about our water filtration systems.
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